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path: root/tests/basic/tier/locked_file_migration.t
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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;

#G_TESTDEF_TEST_STATUS_NETBSD7=KNOWN_ISSUE,BUG=000000