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#!/bin/bash
. $(dirname $0)/../include.rc
. $(dirname $0)/../volume.rc
cleanup;
## Start glusterd
TEST glusterd;
TEST pidof glusterd;
TEST $CLI volume info;
## Lets create partitions for bricks
TEST truncate -s 100M $B0/brick1
TEST truncate -s 200M $B0/brick2
TEST LO1=`SETUP_LOOP $B0/brick1`
TEST MKFS_LOOP $LO1
TEST LO2=`SETUP_LOOP $B0/brick2`
TEST MKFS_LOOP $LO2
TEST mkdir -p $B0/${V0}1 $B0/${V0}2
TEST MOUNT_LOOP $LO1 $B0/${V0}1
TEST MOUNT_LOOP $LO2 $B0/${V0}2
## Lets create volume
TEST $CLI volume create $V0 $H0:$B0/${V0}{1,2};
## Verify volume is created
EXPECT "$V0" volinfo_field $V0 'Volume Name';
EXPECT 'Created' volinfo_field $V0 'Status';
## Start volume and verify
TEST $CLI volume start $V0;
EXPECT 'Started' volinfo_field $V0 'Status';
TEST glusterfs -s $H0 --volfile-id=$V0 --acl $M0
## Real test starts here
## ----------------------------------------------------------------------------
MINFREEDISKVALUE=90%
## Set min free disk to MINFREEDISKVALUE percent
TEST $CLI volume set $V0 cluster.min-free-disk $MINFREEDISKVALUE
## We need to have file name to brick map based on hash.
## We will use this info in test case 0.
i=1
CONTINUE=2
BRICK1FILE=0
BRICK2FILE=0
while [[ $CONTINUE -ne 0 ]]
do
dd if=/dev/zero of=$M0/file$i.data bs=1024 count=1024 1>/dev/null 2>&1
if [[ -e $B0/${V0}1/file$i.data && $BRICK1FILE = "0" ]]
then
BRICK1FILE=file$i.data
CONTINUE=$(( $CONTINUE - 1 ))
fi
if [[ -e $B0/${V0}2/file$i.data && $BRICK2FILE = "0" ]]
then
BRICK2FILE=file$i.data
CONTINUE=$(( $CONTINUE - 1 ))
fi
rm $M0/file$i.data
let i++
done
## Bring free space on one of the bricks to less than minfree value by
## creating one big file.
dd if=/dev/zero of=$M0/fillonebrick.data bs=1024 count=25600 1>/dev/null 2>&1
#Lets find out where it was created
if [ -f $B0/${V0}1/fillonebrick.data ]
then
FILETOCREATE=$BRICK1FILE
OTHERBRICK=$B0/${V0}2
else
FILETOCREATE=$BRICK2FILE
OTHERBRICK=$B0/${V0}1
fi
##--------------------------------TEST CASE 0-----------------------------------
## If we try to create a file which should go into full brick as per hash, it
## should go into the other brick instead.
## Before that let us create files just to make gluster refresh the stat
## Using touch so it should not change the disk usage stats
for k in {1..20};
do
touch $M0/dummyfile$k
done
dd if=/dev/zero of=$M0/$FILETOCREATE bs=1024 count=2048 1>/dev/null 2>&1
TEST [ -e $OTHERBRICK/$FILETOCREATE ]
## Done testing, lets clean up
TEST rm -rf $M0/*
## Finish up
TEST $CLI volume stop $V0;
EXPECT 'Stopped' volinfo_field $V0 'Status';
$CLI volume delete $V0;
UMOUNT_LOOP ${B0}/${V0}{1,2}
rm -f ${B0}/brick{1,2}
cleanup;
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