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#!/bin/bash
. $(dirname $0)/../../include.rc
. $(dirname $0)/../../volume.rc
. $(dirname $0)/../../tier.rc
NUM_BRICKS=3
DEMOTE_FREQ=7
PROMOTE_FREQ=30
DEMOTE_TIMEOUT=15
TEST_STR="Testing write and truncate fops on tier migration"
# Creates a tiered volume with pure distribute hot and cold tiers
# Both hot and cold tiers will have an equal number of bricks.
function create_dist_tier_vol () {
mkdir $B0/cold
mkdir $B0/hot
TEST $CLI volume create $V0 $H0:$B0/cold/${V0}{0..$1}
TEST $CLI volume set $V0 performance.quick-read off
TEST $CLI volume set $V0 performance.io-cache off
TEST $CLI volume set $V0 features.ctr-enabled on
TEST $CLI volume start $V0
TEST $CLI volume attach-tier $V0 $H0:$B0/hot/${V0}{0..$1}
TEST $CLI volume set $V0 cluster.tier-demote-frequency $DEMOTE_FREQ
TEST $CLI volume set $V0 cluster.tier-promote-frequency $PROMOTE_FREQ
#We don't want promotes to happen in this test
TEST $CLI volume set $V0 cluster.read-freq-threshold 10
TEST $CLI volume set $V0 cluster.write-freq-threshold 10
TEST $CLI volume set $V0 cluster.tier-mode test
}
cleanup;
#Basic checks
TEST glusterd
TEST pidof glusterd
TEST $CLI volume info
# Create and start a tiered volume
create_dist_tier_vol $NUM_BRICKS
# Mount FUSE
TEST glusterfs -s $H0 --volfile-id $V0 $M0
TEST mkdir $M0/dir1
build_tester $(dirname $0)/file_lock.c -o file_lock
cp $(dirname $0)/file_lock $M0/file_lock
# The files will be created on the hot tier
touch $M0/dir1/FILE1
touch $M0/dir1/FILE2
# For FILE1, take a POSIX write lock on the entire file.
# Don't take a lock on FILE2
./file_lock $M0/dir1/FILE1 W &
sleep $DEMOTE_FREQ
# Wait for the tier process to demote the file
# Only FILE2 and file_lock should be demoted
# FILE1 should be skipped because of the lock held
# on it
EXPECT_WITHIN $DEMOTE_TIMEOUT "0" check_counters 0 2
sleep 10
rm $(dirname $0)/file_lock
cleanup;
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