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#!/bin/bash
. $(dirname $0)/../../include.rc
. $(dirname $0)/../../volume.rc
LAST_BRICK=3
CACHE_BRICK_FIRST=4
CACHE_BRICK_LAST=5
DEMOTE_TIMEOUT=12
PROMOTE_TIMEOUT=5
function file_on_slow_tier {
s=$(md5sum $1)
for i in `seq 0 $LAST_BRICK`; do
test -e $B0/${V0}${i}/$1 && break;
done
if [ $? -eq 0 ] && ! [ "`md5sum $B0/${V0}${i}/$1`" == "$s" ]; then
echo "0"
else
echo "1"
fi
}
function file_on_fast_tier {
local ret="1"
s1=$(md5sum $1)
s2=$(md5sum $B0/${V0}${CACHE_BRICK_FIRST}/$1)
if [ -e $B0/${V0}${CACHE_BRICK_FIRST}/$1 ] && ! [ "$s1" == "$s2" ]; then
echo "0"
else
echo "1"
fi
}
function confirm_tier_removed {
$CLI system getspec $V0 | grep $1
if [ $? == 0 ]; then
echo "1"
else
echo "0"
fi
}
function confirm_vol_stopped {
$CLI volume stop $1
if [ $? == 0 ]; then
echo "0"
else
echo "1"
fi
}
LAST_BRICK=1
CACHE_BRICK=2
DEMOTE_TIMEOUT=12
PROMOTE_TIMEOUT=5
MIGRATION_TIMEOUT=10
cleanup
TEST glusterd
TEST pidof glusterd
TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}{0..$LAST_BRICK}
TEST $CLI volume attach-tier $V0 replica 2 $H0:$B0/${V0}$CACHE_BRICK_FIRST $H0:$B0/${V0}$CACHE_BRICK_LAST
TEST $CLI volume start $V0
TEST $CLI volume set $V0 features.ctr-enabled on
TEST $GFS --volfile-id=/$V0 --volfile-server=$H0 $M0;
# Basic operations.
cd $M0
TEST stat .
TEST mkdir d1
TEST [ -d d1 ]
TEST touch d1/file1
TEST mkdir d1/d2
TEST [ -d d1/d2 ]
TEST find d1
# Create a file. It should be on the fast tier.
uuidgen > d1/data.txt
TEST file_on_fast_tier d1/data.txt
# Check manual demotion.
#TEST setfattr -n trusted.distribute.migrate-data d1/data.txt
#TEST file_on_slow_tier d1/data.txt
TEST $CLI volume set $V0 cluster.tier-demote-frequency 4
TEST $CLI volume set $V0 cluster.tier-promote-frequency 4
TEST $CLI volume set $V0 cluster.read-freq-threshold 0
TEST $CLI volume set $V0 cluster.write-freq-threshold 0
TEST $CLI volume set $V0 performance.quick-read off
TEST $CLI volume set $V0 performance.io-cache off
TEST $CLI volume rebalance $V0 tier start
uuidgen > d1/data2.txt
uuidgen > d1/data3.txt
EXPECT "0" file_on_fast_tier d1/data2.txt
EXPECT "0" file_on_fast_tier d1/data3.txt
# Check auto-demotion on write new.
EXPECT_WITHIN $DEMOTE_TIMEOUT "0" file_on_slow_tier d1/data2.txt
EXPECT_WITHIN $DEMOTE_TIMEOUT "0" file_on_slow_tier d1/data3.txt
sleep 12
# Check auto-promotion on write append.
uuidgen >> d1/data2.txt
# Check promotion on read to slow tier
( cd $M0 ; umount $M0 ) # fail but drops kernel cache
cat d1/data3.txt
sleep 5
EXPECT_WITHIN $PROMOTE_TIMEOUT "0" file_on_fast_tier d1/data2.txt
EXPECT_WITHIN $PROMOTE_TIMEOUT "0" file_on_fast_tier d1/data3.txt
# stop gluster, when it comes back info file should have tiered volume
killall glusterd
TEST glusterd
# Test rebalance commands
TEST $CLI volume rebalance $V0 tier status
TEST $CLI volume detach-tier $V0 start
TEST $CLI volume detach-tier $V0 commit force
EXPECT "0" file_on_slow_tier d1/data.txt
EXPECT "0" confirm_tier_removed ${V0}${CACHE_BRICK_FIRST}
EXPECT_WITHIN $REBALANCE_TIMEOUT "0" confirm_vol_stopped $V0
cleanup
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