diff options
| author | Anand Avati <avati@gluster.com> | 2010-12-08 09:58:27 +0000 |
|---|---|---|
| committer | Anand V. Avati <avati@dev.gluster.com> | 2010-12-08 08:45:31 -0800 |
| commit | 353fb2e97bfc3a44cc5301fa8dfb015406565048 (patch) | |
| tree | 568b0aeeffc5e10c4fab680f5aefd8fa31fc51da /xlators/cluster/afr | |
| parent | 147b20c4a485ddb4b31b1811be4bf90610c91f7f (diff) | |
replicate: propagate CHILD_DOWN upwards properly
During initialization if one subvolume returns CHILD_DOWN, then
do not consider the other subvolume as down if we still haven't
heard from it yet
This causes DHT (on top) to prematurely (and wrongly) send
CHILD_UP/DOWN upwards
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
BUG: 2200 (cp dies with "Invalid argument" after failover)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2200
Diffstat (limited to 'xlators/cluster/afr')
| -rw-r--r-- | xlators/cluster/afr/src/afr-common.c | 9 | ||||
| -rw-r--r-- | xlators/cluster/afr/src/afr.c | 7 |
2 files changed, 12 insertions, 4 deletions
diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c index 356f077e7c1..4fb33a565d7 100644 --- a/xlators/cluster/afr/src/afr-common.c +++ b/xlators/cluster/afr/src/afr-common.c @@ -2532,6 +2532,7 @@ afr_notify (xlator_t *this, int32_t event, int i = -1; int up_children = 0; + int down_children = 0; priv = this->private; @@ -2562,7 +2563,7 @@ afr_notify (xlator_t *this, int32_t event, */ for (i = 0; i < priv->child_count; i++) - if (child_up[i]) + if (child_up[i] == 1) up_children++; if (up_children == 1) { @@ -2592,10 +2593,10 @@ afr_notify (xlator_t *this, int32_t event, */ for (i = 0; i < priv->child_count; i++) - if (child_up[i]) - up_children++; + if (child_up[i] == 0) + down_children++; - if (up_children == 0) { + if (down_children == priv->child_count) { gf_log (this->name, GF_LOG_ERROR, "All subvolumes are down. Going offline " "until atleast one of them comes back up."); diff --git a/xlators/cluster/afr/src/afr.c b/xlators/cluster/afr/src/afr.c index f1b163f0b58..5f586e20124 100644 --- a/xlators/cluster/afr/src/afr.c +++ b/xlators/cluster/afr/src/afr.c @@ -874,6 +874,13 @@ init (xlator_t *this) goto out; } + for (i = 0; i < child_count; i++) + priv->child_up[i] = -1; /* start with unknown state. + this initialization needed + for afr_notify() to work + reliably + */ + priv->children = GF_CALLOC (sizeof (xlator_t *), child_count, gf_afr_mt_xlator_t); if (!priv->children) { |