| Commit message (Collapse) | Author | Age | Files | Lines |
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be same.
Problem:
After replacing the brick using "replace-brick" command and running "heal
full", the version of the root directory of the newly added brick is not
getting healed. heal starts running on the dentries of the root but does not
run on root directory.
Solution:
Run heal on root directory.
> Change-Id: Ifd42a3fb341b049c895817e892e5b484a5aa6f80
> BUG: 1243382
> Signed-off-by: Ashish Pandey <aspandey@redhat.com>
> Reviewed-on: http://review.gluster.org/11676
> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
> Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Change-Id: Ifd42a3fb341b049c895817e892e5b484a5aa6f80
BUG: 1243384
Signed-off-by: Ashish Pandey <aspandey@redhat.com>
Reviewed-on: http://review.gluster.org/11755
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Self-heal was always using a fixed block size to heal a file. This
was incorrect for dispersed volumes with a number of data bricks not
being a power of 2.
This patch adjusts the block size to a multiple of the stripe size
of the volume. It also propagates errors detected during the data
heal to stop healing the file and not mark it as healed.
This is a backport if http//review.gluster.org/11862
Change-Id: I5104ae4bfed8585ca40cb45831ca20582566370c
BUG: 1236050
Signed-off-by: Xavier Hernandez <xhernandez@datalab.es>
Reviewed-on: http://review.gluster.org/11869
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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The bitmask of good and bad bricks was kept in the context of the
corresponding inode or fd. This was problematic when an external
process (another client or the self-heal process) did heal the
bricks but no one changed the bitmaks of other clients.
This patch removes the bitmask stored in the context and calculates
which bricks are healthy after locking them and doing the initial
xattrop. After that, it's updated using the result of each fop.
> Change-Id: I225e31cd219a12af4ca58871d8a4bb6f742b223c
> BUG: 1236065
> Signed-off-by: Xavier Hernandez <xhernandez@datalab.es>
> Reviewed-on: http://review.gluster.org/11844
> Tested-by: NetBSD Build System <jenkins@build.gluster.org>
> Tested-by: Gluster Build System <jenkins@build.gluster.com>
> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Change-Id: Idbe68b28b865c4b28366703ad1e96ae16ba44b66
BUG: 1235964
Signed-off-by: Xavier Hernandez <xhernandez@datalab.es>
Reviewed-on: http://review.gluster.org/11867
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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>Change-Id: I82e245615419c2006a2d1b5e94ff0908d2f5e891
>BUG: 1245276
>Signed-off-by: Xavier Hernandez <xhernandez@datalab.es>
>Reviewed-on: http://review.gluster.org/11741
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
>Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Change-Id: Ifd3d63f88a686a2963c5ba2e62110249f84f338d
BUG: 1250864
Signed-off-by: Xavier Hernandez <xhernandez@datalab.es>
Reviewed-on: http://review.gluster.org/11852
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Problem:
New lock could come at the time timer is on the way to unlock. This was leading
to crash in timer thread because thread executing new lock can free up the
timer_link->fop and then timer thread will try to access structures already
freed.
Fix:
If the timer event is fired, set lock->release to true and wait for unlock to
complete.
Thanks to Xavi and Bhaskar for helping in confirming that this race is the RC.
Thanks to Kritika for pointing out and explaining how Avati's patch can be used
to fix this bug.
> Change-Id: I45fa5470bbc1f03b5f3d133e26d1e0ab24303378
> BUG: 1243187
> Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
> Reviewed-on: http://review.gluster.org/11670
> Tested-by: Gluster Build System <jenkins@build.gluster.com>
> Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
> Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Change-Id: I9af012e717493684b7cd7d1c63baf2fa401fb542
BUG: 1246121
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11752
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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- Also remove internal-fop setting in create/mknod etc xattrs.
Rebalance was failing because ec was giving EIO when lock acquiring fails as
the file/dir doesn't exist. Posix_create/mknod are not setting config xattr
because internal-fop key is present in dict and setxattr for this fails leading
to failure in setting rest of xattrs.
>Change-Id: Ifb429c8db9df7cd51e4f8ce53fdf1e1b975c9993
>BUG: 1242254
>Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
>Reviewed-on: http://review.gluster.org/11639
>Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
>Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
BUG: 1243654
Change-Id: Iedb90d6a7d980fb88d6dfa6a6c978a165a4be3fd
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11688
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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- On lock reuse preserve 'healing' bits
- Don't set ctx->size outside locks in healing code
- Allow xattrop internal fops also on the fop->mask.
>Change-Id: I6b76da5d7ebe367d8f3552cbf9fd18e556f2a171
>BUG: 1232678
>Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
>Reviewed-on: http://review.gluster.org/11640
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
>Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
BUG: 1243647
Change-Id: I1b3828e4d4a863b84b2c4e732e7965d1302cea47
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11686
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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>BUG: 1232172
>Change-Id: I3a56e487840d86147dd85bf5fbe79b165eae289f
>Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
>Reviewed-on: http://review.gluster.org/11589
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
>Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
BUG: 1234679
Change-Id: I08560eee095a3921e9c24f16dc2a242a76018a42
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11687
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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>BUG: 1232678
>Change-Id: I35503039e4723cf7f33d6797f0ba90dd0aca130b
>Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
>Reviewed-on: http://review.gluster.org/11580
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
>Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
BUG: 1243647
Change-Id: I4eb45197a5a8d9652eded37ba1e67d9ea745a583
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11685
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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With readdir[p] taking locks to figure out which bricks are
good/bad, no need to take any locks on opendir.
>BUG: 1232172
>Change-Id: I4d924aeeaecab23af08c4598548a20d2a44cd849
>Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
>Reviewed-on: http://review.gluster.org/11506
>Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
BUG: 1234679
Change-Id: Ibada9c196fb44a38400ef027f0a3a142d32797a6
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11684
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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In ec_lock() there is a chance that ec_resume is called on fop even before
ec_sleep. This can result in refs == 0 for fop leading to use after free in
this function when it calls ec_sleep so do ec_sleep at start and ec_resume at
end of this function.
>Change-Id: I879b2667bf71eaa56be1b53b5bdc91b7bb56c650
>BUG: 1240284
>Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
>Reviewed-on: http://review.gluster.org/11558
>Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
BUG: 1243648
Change-Id: I57515d1f478b2a41a20d37368c947049d23778f0
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11683
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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>Change-Id: Ic22813371faca4e8198c9b0b20518e68d275f3c1
>BUG: 1232678
>Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
>Reviewed-on: http://review.gluster.org/11531
>Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
BUG: 1243647
Change-Id: Ic8570710a16715322bc0be59367007567f6438cd
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11682
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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>Change-Id: Ib0de34c86ee25de361ec821d4015296c514742e0
>BUG: 1240210
>Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
>Reviewed-on: http://review.gluster.org/11546
>Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
BUG: 1243644
Change-Id: I41817ca933bb1eecdb3e895a16753226b608814a
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11681
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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Provide options to control number of active background heal count and qlen.
>Change-Id: Idc2419219d881f47e7d2e9bbc1dcdd999b372033
>BUG: 1237381
>Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
>Reviewed-on: http://review.gluster.org/11473
>Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
BUG: 1238476
Change-Id: I22ba902d9911195656db9e458c01b54cf0afcd7a
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11680
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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- 8 parallel heals can happen.
- 128 heals will wait for their turn
- Heals will be rejected if 128 heals are already waiting.
>Change-Id: I2e99bf064db7bce71838ed9901a59ffd565ac390
>BUG: 1237381
>Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
>Reviewed-on: http://review.gluster.org/11471
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
>Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
BUG: 1238476
Change-Id: Id9625536197c1f5d6c3a9ed53f80bd9e6d14c507
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11679
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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GF_CONTENT_KEY aggregation requires that the fragments on the bricks belong to
same data i.e. no operations are modifying the content while lookup is
performed on it. The only way to know it is to get at least ec->fragments+1
number of responses and see that two different sets of ec->fragments number of
fragments give same data. But at the moment we feel that this slows down
ec-lookup. So removing handling of this for now.
>Change-Id: I2da5087f1311d5cdde999062607b143b48c17713
>BUG: 1226279
>Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
>Reviewed-on: http://review.gluster.org/11003
>Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
>Tested-by: Gluster Build System <jenkins@build.gluster.com>
>Tested-by: NetBSD Build System <jenkins@build.gluster.org>
BUG: 1243642
Change-Id: I490e33a7cec64ce4c2670c6f17c93e5ce9576b14
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11678
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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BUG: 1238476
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
> Change-Id: I99d7a038f29cebe823e17a8dda40d335441185bc
> BUG: 1237381
> Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
> Reviewed-on: http://review.gluster.org/11472
> Tested-by: Gluster Build System <jenkins@build.gluster.com>
> Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
> Tested-by: NetBSD Build System <jenkins@build.gluster.org>
> (cherry picked from commit c66026b9bf521172f49ce36a5a7b94fae1bbf267)
Change-Id: If3cb2ca7ea5e3c2c365b414ccc41323bf9d183c1
Reviewed-on: http://review.gluster.org/11497
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Backport of http://review.gluster.com/11246
BUG: 1234679
Change-Id: I2d774f62740c82e922efab50fc78fa74050ede93
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11357
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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This is a backport of http://review.gluster.org/#/c/11315/
> When quota_deem_statfs is enabled, quota sends aggregated statfs values
> In EC we should not multiply statfs values with fragment number
>
> Change-Id: I7ef8ea1598d84b86ba5c5941a2bbe0a6ab43c101
> BUG: 1233162
> Signed-off-by: vmallika <vmallika@redhat.com>
Change-Id: Iacc96b1ad42babd4de630f6cdc0092e8e9ac7f3b
BUG: 1236260
Signed-off-by: vmallika <vmallika@redhat.com>
Reviewed-on: http://review.gluster.org/11434
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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This is a backport of http://review.gluster.org/#/c/10465/
cherry-picked from commit b0b9eaea9dbb4e9a535f5e969defc4556a9e2204
>Change-Id: Ia05ae750a245a37d48978e5f37b52f4fb0507a8c
>BUG: 1194640
>Signed-off-by: Nandaja Varma <nandaja.varma@gmail.com>
Change-Id: Ia05ae750a245a37d48978e5f37b52f4fb0507a8c
BUG: 1217722
Signed-off-by: Nandaja Varma <nandaja.varma@gmail.com>
Reviewed-on: http://review.gluster.org/11429
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Problem : trusted.ec.config attr was missing for the healed file
Solution: Writing trusted.ec.config while healing a file.
Change-Id: I340dd45ff8ab5bc1cd6e9b0cd2b2ded236e5acf0
BUG: 1235629
Signed-off-by: Ashish Pandey <aspandey@redhat.com>
Reviewed-on: http://review.gluster.org/11415
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Problem : While launching heal, it shows heal launch
was unsuccessful. However, internaly it was successfully
launched.
Solution : Don't reset op_ret to -1 in for loop for
every brick.
Change-Id: Iff89fdaf6082767ed67523a56430a9e83e6984d3
BUG: 1232612
Signed-off-by: Ashish Pandey <aspandey@redhat.com>
Reviewed-on: http://review.gluster.org/11269
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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Change-Id: I264e47ca679d8b57cd8c80306c07514e826f92d8
BUG: 1229563
Signed-off-by: Ashish Pandey <aspandey@redhat.com>
Reviewed-on: http://review.gluster.org/10784
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
Signed-off-by: Ashish Pandey <aspandey@redhat.com>
Reviewed-on: http://review.gluster.org/11132
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Backport of http://review.gluster.org/11317
In very rare circumstances it was possible that a subfop started
by another fop could finish fast enough to cause that two or more
instances of the same state machine be executing at the same time.
Change-Id: I319924a18bd3f88115e751a66f8f4560435e0e0e
BUG: 1233484
Signed-off-by: Xavier Hernandez <xhernandez@datalab.es>
Reviewed-on: http://review.gluster.org/11319
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Backport of http://review.gluster.org/11152
Problem:
While files are being created if more than redundancy number of bricks
go down, then unlock for these fops do not go to the bricks. This will
lead to stale locks leading to hangs.
Fix:
Wind unlock fops at all costs.
BUG: 1230350
Change-Id: I3312b0fe1694ad02af5307bcbaf233ac63058846
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11166
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Backport of http://review.gluster.com/11111
Problem:
1) ec_access/ec_readlink_/ec_readdir[p] _cbks are trying to recover only from
ENOTCONN.
2) When the fop succeeds it unwinds right away. But when its
ec_fop_manager resumes, if the number of bricks that are up is less than
ec->fragments, the the state machine will resume with -EC_STATE_REPORT which
unwinds again. This will lead to crashes.
Fix:
- If fop fails retry on other subvols, as ESTALE/ENOENT/EBADFD etc are also
recoverable.
- unwind success/failure in _cbks
BUG: 1229331
Change-Id: I7510984a237761efba65e872313a8ede8b7543e5
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11128
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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Backport of http://review.gluster.com/11178
BUG: 1230653
Change-Id: I708d4d84b1341fb7cb515808836721735dc63f14
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11179
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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Backport of http://review.gluster.com/11078
Problem:
ec_update_size_version expects all the keys it did xattrop with to come in
response so that it can set the values again in ec_update_size_version_done.
But EC_XATTR_DIRTY is not combined so the value won't be present in the
response. So ctx->post/pre_dirty are not updated in
ec_update_size_version_done. So these values are still non-zero. When
ec_unlock_now is called as part of flush's unlock phase it again tries to
perform same xattrop for EC_XATTR_DIRTY. But ec_update_size_version is not
expected to be called in unlock phase of flush because ec_flush_size_version
should have reset everything to zero and unlock is never invoked from
ec_update_size_version_done for flush/fsync/fsyncdir. This leads to stale lock
which leads to hang.
Fix:
EC_XATTR_DIRTY is removed in ex_xattrop_cbk and is never combined with other
answers. So remove handling of this in the response.
BUG: 1228160
Change-Id: I657efca6e706e7acb541f98f526943f67562da9f
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/11084
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
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If a file is under migration, then any xattrs created on it
are lost post migration of the file. This is because
the xattrs are set only on the cached subvol of the source
and as the source is under migration, it becomes a linkto file
post migration.
Change-Id: Ib8e233b519cf954e7723c6e26b38fa8f9b8c85c0
BUG: 1225839
Signed-off-by: Nithya Balachandran <nbalacha@redhat.com>
Reviewed-on: http://review.gluster.org/10968
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
Tested-by: Raghavendra G <rgowdapp@redhat.com>
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Backport of http://review.gluster.org/11018
A previous patch (http://review.gluster.org/10974) introduced a
bug that caused that some metadata differences could not be
detected in some circumstances. This could cause that self-heal
is not triggered and the file not repaired.
We also need to consider all differences for lookup requests, even
if there isn't any lock. Special handling of differences in lookup
is already done in lookup specific code.
Change-Id: I88e3678634d848a89f428a37209c31464e42cf8b
BUG: 1225796
Signed-off-by: Xavier Hernandez <xhernandez@datalab.es>
Reviewed-on: http://review.gluster.org/11027
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Backport of http://review.gluster.org/10974
When ec combines iatt structures from multiple bricks, it checks
for equality in important fields. This is ok for iatt related to
inodes involved in the operation that have been locked before
starting execution. However some fops return iatt information
from other inodes. For example a rename locks source and destination
parent directories, but it also returns an iatt from the entry
itself.
In these cases we ignore differences in some fields to avoid false
detection of inconsistencies and trigger unnecessary self-heals.
Another issue is solved in this patch that caused that the real
size of the file stored into the inode context was lost during
self-heal.
BUG: 1225796
Change-Id: I29f328a7b4895368ded859f3bae0359436c3588f
Signed-off-by: Xavier Hernandez <xhernandez@datalab.es>
Reviewed-on: http://review.gluster.org/10983
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Backport of http://review.gluster.org/10770
Backport of http://review.gluster.org/10806
Backport of http://review.gluster.org/10787
Backport of http://review.gluster.org/10868
Backport of http://review.gluster.com/10852
- When a blocking lock is requested, lock request is succeeded even when
ec->fragment number of locks are acquired successfully in non-blocking locking
phase. This will lead to fop succeeding only on the bricks where the locks are
acquired, leading to the necessity of self-heals. To prevent these un-necessary
self-heals, if the remaining locks fail with EAGAIN in non-blocking lock phase
try blocking locking phase instead.
- Handle lookup failures while op in progress
- cluster/ec: Correctly cleanup delayed locks
When a delayed lock is pending, a graph switch doesn't correctly
terminate it. This means that the update of version and size xattrs
is lost, causing EIO errors. This patch handles GF_EVENT_PARENT_DOWN
event to correctly finish pending udpdates before completing the
graph switch.
- Fix use after free crash
ec_heal creates ec_fop_data but doesn't run ec_manager. ec_fop_data_allocate
adds this fop to ec->pending_fops, because ec_manager is not run on this heal
fop it is never removed from ec->pending_fops. When it is accessed after free
it leads to crash. It is better to not to add HEAL fops to ec->pending_fops
because we don't want graph switch to hang the mount because of a BIG
file/directory heal.
- Forced unlock when lock contention is detected
EC uses an eager lock mechanism to optimize multiple read/write
requests on the same entry or inode. This increases performance
but can have adverse results when other clients try to access the
same entry/inode. To solve this, this patch adds a functionality
to detect when this happens and force an earlier release to not
block other clients.
The method consists on requesting GF_GLUSTERFS_INODELK_COUNT and
GF_GLUSTERFS_ENTRYLK_COUNT for all fops that take a lock. When this
count is greater than one, the lock is marked to be released. All
fops already waiting for this lock will be executed normally before
releasing the lock, but new requests that also require it will be
blocked and restarted after the lock has been released and reacquired
again.
Another problem was that some operations did correctly lock the
parent of an entry when needed, but got the size and version xattrs
from the entry instead of the parent.
This patch solves this problem by binding all queries of size and
version to each lock and replacing all entrylk calls by inodelk ones
to remove concurrent updates on directory metadata. This also allows
rename to correctly update source and destination directories.
BUG: 1225279
Change-Id: I02a6084b138dd38e018a462347cd9ce38610c7ef
Reviewed-on: http://review.gluster.org/10926
Tested-by: NetBSD Build System
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Backport of http://review.gluster.com/9407
When a file does not exist on a brick but it does on others, there
could be problems trying to access it because there was some loc_t
structures with null 'pargfid' but 'name' was set. This forced
inode resolution based on <pargfid>/name instead of <gfid> which
would be the correct one. To solve this problem, 'name' is always
set to NULL when 'pargfid' is not present.
Another problem was caused by an incorrect management of errors
while doing incremental locking. The only allowed error during an
incremental locking was ENOTCONN, but missing files on a brick can
be returned as ESTALE. This caused an EIO on the operation.
This patch doesn't care of errors during an incremental locking. At
the end of the operation it will check if there are enough successfully
locked bricks to continue or not.
BUG: 1220011
Change-Id: I4a1e6235d80e20ef7ef12daba0807b859ee5c435
Signed-off-by: Xavier Hernandez <xhernandez@datalab.es>
Reviewed-on: http://review.gluster.org/10701
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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- With this change, the xattr will represent if the file needs to be healed or
not. It will have different values for data/entry and metadata changes.
- inode ref leaks and dict_set_dynstr related leaks fixed
- Added support for trylock/lock based on heal-cmd execution or not
in data heal.
- Made fixes to pass regression runs
Change-Id: I9d8def4c2badde18a76b7898816fecfac113737a
BUG: 1216303
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/10385
Reviewed-on: http://review.gluster.org/10693
Tested-by: NetBSD Build System
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Data self-heal:
1) Take inode lock in domain 'this->name:self-heal' on 0-0 range (full file),
So that no other processes try to do self-heal at the same time.
2) Take inode lock in domain 'this->name' on 0-0 range (full file),
3) perform fxattrop+fstat and get the xattrs on all the bricks
3) Choose the brick with ec->fragment number of same version as source
4) Truncate sinks
5) Unlock lock taken in 2)
5) For each block take full file lock, Read from sources write to the sinks, Unlock
6) Take full file lock and see if the file is still sane copy i.e. File didn't become unusable while the bricks are offline.
Update mtime to before healing
7) xattrop with -ve values of 'dirty' and difference of highest and its own
version values for version xattr
8) unlock lock acquired in 6)
9) unlock lock acquired in 1)
Change-Id: I6f4d42cd5423c767262c9d7bb5ca7767adb3e5fd
BUG: 1216303
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/10384
Reviewed-on: http://review.gluster.org/10692
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Metadata self-heal:
1) Take inode lock in domain 'this->name' on 0-0 range (full file)
2) perform lookup and get the xattrs on all the bricks
3) Choose the brick with highest version as source
4) Setattr uid/gid/permissions
5) removexattr stale xattrs
6) Setxattr existing/new xattrs
7) xattrop with -ve values of 'dirty' and difference of highest and its own
version values for version xattr
8) unlock lock acquired in 1)
Entry self-heal:
1) take directory lock in domain 'this->name:self-heal' on 'NULL' to prevent
more than one self-heal
2) we take directory lock in domain 'this->name' on 'NULL'
3) Perform lookup on version, dirty and remember the values
4) unlock lock acquired in 2)
5) readdir on all the bricks and trigger name heals
6) xattrop with -ve values of 'dirty' and difference of highest and its own
version values for version xattr
7) unlock lock acquired in 1)
Name heal:
1) Take 'name' lock in 'this->name' on 'NULL'
2) Perform lookup on 'name' and get stat and xattr structures
3) Build gfid_db where for each gfid we know what subvolumes/bricks have
a file with 'name'
4) Delete all the stale files i.e. the file does not exist on more than
ec->redundancy number of bricks
5) On all the subvolumes/bricks with missing entry create 'name' with same
type,gfid,permissions etc.
6) Unlock lock acquired in 1)
Known limitation: At the moment with present design, it conservatively
preserves the 'name' in case it can not decide whether to delete it. this can
happen in the following scenario:
1) we have 3=2+1 (bricks: A, B, C) ec volume and 1 brick is down (Lets say A)
2) rename d1/f1 -> d2/f2 is performed but the rename is successful only on one
of the bricks (Lets say B)
3) Now name self-heal on d1 and d2 would re-create the file on both d1 and d2
resulting in d1/f1 and d2/f2.
Because we wanted to prevent data loss in the case above, the following
scenario is not healable, i.e. it needs manual intervention:
1) we have 3=2+1 (bricks: A, B, C) ec volume and 1 brick is down (Lets say A)
2) We have two hard links: d1/a, d2/b and another file d3/c even before the
brick went down
3) rename d3/c -> d2/b is performed
4) Now name self-heal on d2/b doesn't heal because d2/b with older gfid will
not be deleted. One could think why not delete the link if there is
more than 1 hardlink, but that leads to similar data loss issue I described
earlier:
Scenario:
1) we have 3=2+1 (bricks: A, B, C) ec volume and 1 brick is down (Lets say A)
2) We have two hard links: d1/a, d2/b
3) rename d1/a -> d3/c, d2/b -> d4/d is performed and both the operations are
successful only on one of the bricks (Lets say B)
4) Now name self-heal on the 'names' above which can happen in parallel can
decide to delete the file thinking it has 2 links but after all the
self-heals do unlinks we are left with data loss.
Change-Id: I3a68218a47bb726bd684604efea63cf11cfd11be
BUG: 1216303
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/10298
Reviewed-on: http://review.gluster.org/10691
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System
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If both dicts are NULL then equal. If one of the dicts is NULL but the other
has only ignorable keys then also they are equal. If both dicts are non-null
then check if for each non-ignorable key, values are same or not. value_ignore
function is used to skip comparing values for the keys which must be present in
both the dictionaries but the value could be different.
geo-rep's stime xattr doesn't need to be present in list xattr but when
getxattr comes on stime xattr even if there aren't enough responses with the
xattr we should still give out an answer which is maximum of the stimes
available.
Change-Id: I8de2ceaa2db785b797f302f585d88e73b154167d
BUG: 1216303
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/10078
Reviewed-on: http://review.gluster.org/10690
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System
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Adding 64 bits in "version" key of extended attributes. First 64 bits (Left)
represents Data version. Last 64 bits (right) represents Meta Data version.
Note: 3.7 and 3.6 version ec can't co-exist with this change because xattrop in
3.6 will fail with ERANGE as the buffer passed to it will be '8' bytes where as
the value will be 16 bytes in 3.7. Where as 3.7 version clients can work with
old version files. For upgrades we need to tell users to complete heals and
then upgrade
BUG: 1215265
Change-Id: Ib85114680cb7e75b8371c984d9f7b6401c1ffb93
Signed-off-by: Ashish Pandey <aspandey@redhat.com>
Reviewed-on: http://review.gluster.org/10312
Reviewed-on: http://review.gluster.org/10626
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Change-Id: Ia7d43cb3b222db34ecb0e35424f1766715ed8e6a
BUG: 1219358
Signed-off-by: Ashish Pandey <aspandey@redhat.com>
Reviewed-on: http://review.gluster.org/10176
Reviewed-on: http://review.gluster.org/10625
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Backport of http://review.gluster.org/10372
If the version numbers do not match, then writes are performed only on at least
N-R bricks which have same version. But if we want to do healing of files which
are constantly modified we need to allow writes on subvols that are undergoing
heal. Data healing will mark 62nd bit while the heal is going on. When the data
transaction sees that this bit is set it needs to perform the fop on that
subvol irrespective of whether the versions match or do not match. Fop is
considered successful only if N-R non-healing bricks succeed.
BUG: 1216303
Change-Id: I79aaf1ac86357c51547cdaaa56cf7338004cc512
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/10440
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System
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Backport of http://review.gluster.org/10390
This was leading to hangs when get_size_and_version fails
BUG: 1216303
Change-Id: Iae455ee957b9377e1b0b711b0ef567d50d32c7cb
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/10436
Tested-by: NetBSD Build System
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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with the inode quota feature, quota size is now
increased from 64bit to 192bits which contains
values of 'file size', 'file count' and 'dir count'
This change in quota size xattr needs to be handled
in disperse xattr aggregation
Signed-off-by: vmallika <vmallika@redhat.com>
Change-Id: I5fd28aa9f5b8b6cba83a98360236417a97ac16ee
BUG: 1207967
Reviewed-on: http://review.gluster.org/10112
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Sachin Pandit <spandit@redhat.com>
Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
Tested-by: Raghavendra G <rgowdapp@redhat.com>
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- Directory deletion should always happen with 'rm -rf' flag, otherwise the
call may fail with ENOTEMPTY.
- Instead of doing an explicit 'link' call, perform mknod call with
GLUSTERFS_INTERNAL_FOP_KEY which acts as 'link' if the
gfid already exists.
Change-Id: I8826f92170421db37efb67dfc00afad4ab695907
BUG: 1207085
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/10045
Tested-by: NetBSD Build System
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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Problem:
gf_deitransform returns the glbal client-id in the complete graph. So except
for the first disperse subvolume under dht, all the other disperse subvolumes
will return a client-id greater than ec->nodes, so readdir will always error
out in those subvolumes.
Fix:
Get the client subvolume whose client-id matches the client-id returned by
gf_deitransform of offset.
Change-Id: I26aa17504352d48d7ff14b390b62f49d7ab2d699
BUG: 1209113
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/10165
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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Change-Id: Id60107e9fb96588d24fa2f3be85c764b7f08e3d1
BUG: 1207712
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/10077
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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iobuf_get and iobref_add implicitly
ref the iobuf.
Hence, it is necessary to unref iobuf
before setting it to NULL.
Change-Id: Icadd8925574cf04fe708d8090868e49356653a8e
Signed-off-by: Raghavendra Talur <rtalur@redhat.com>
Reviewed-on: http://review.gluster.org/9818
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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This patch adds support for xdata in both the
request and response path of syncops.
Few calls like lookup already had the support;
have renamed variables in few places to maintain
uniformity.
xdata passed downwards is known as xdata_in
and xdata passed upwards is known as xdata_out.
There is an old patch by Jeff Darcy at
http://review.gluster.org/#/c/8769/3 which does the
same for some selected calls. It also brings in
xdata support at gfapi level.
xdata support at gfapi level would be introduced
in subsequent patches.
Change-Id: I340e94ebaf2a38e160e65bc30732e8fe1c532dcc
BUG: 1158621
Signed-off-by: Raghavendra Talur <rtalur@redhat.com>
Reviewed-on: http://review.gluster.org/9859
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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ec_manager_xxx() function for [f]set/[f]remove xattr is exactly same except the
reporting part. So moved that to common function and use same
ec_manager_xattr() function for all these fops.
Change-Id: Iaa57023b800f8d1f3f6a827f4ceba9b0a0337336
BUG: 1199767
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/10036
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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All _cbk() functions in inode-write.c do same things, i.e. store
op_ret/op_errno, stat structures if they are available and combine them. Moved
this common operation into one function ec_inode_write_cbk() and made all the
other _cbk() functions to use this instead.
Change-Id: I2387b9f2d9598ced6299a26ea1900e9deb9fadc4
BUG: 1199767
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/9981
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Dan Lambright <dlambrig@redhat.com>
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glusterfs relies on Linux uuid implementation, which
API is incompatible with most other systems's uuid. As
a result, libglusterfs has to embed contrib/uuid,
which is the Linux implementation, on non Linux systems.
This implementation is incompatible with systtem's
built in, but the symbols have the same names.
Usually this is not a problem because when we link
with -lglusterfs, libc's symbols are trumped. However
there is a problem when a program not linked with
-lglusterfs will dlopen() glusterfs component. In
such a case, libc's uuid implementation is already
loaded in the calling program, and it will be used
instead of libglusterfs's implementation, causing
crashes.
A possible workaround is to use pre-load libglusterfs
in the calling program (using LD_PRELOAD on NetBSD for
instance), but such a mechanism is not portable, nor
is it flexible. A much better approach is to rename
libglusterfs's uuid_* functions to gf_uuid_* to avoid
any possible conflict. This is what this change attempts.
BUG: 1206587
Change-Id: I9ccd3e13afed1c7fc18508e92c7beb0f5d49f31a
Signed-off-by: Emmanuel Dreyfus <manu@netbsd.org>
Reviewed-on: http://review.gluster.org/10017
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
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