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Diffstat (limited to 'tests/features/fdl-overflow.t')
| -rw-r--r-- | tests/features/fdl-overflow.t | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/tests/features/fdl-overflow.t b/tests/features/fdl-overflow.t new file mode 100644 index 00000000000..d7633a7ca7d --- /dev/null +++ b/tests/features/fdl-overflow.t @@ -0,0 +1,74 @@ +#!/bin/bash + +. $(dirname $0)/../include.rc +. $(dirname $0)/../volume.rc + +log_base=$($CLI --print-logdir) +log_id=${B0}/${V0}-0 +log_id=${log_id:1} # Remove initial slash +log_id=${log_id//\//-} # Replace remaining slashes with dashes + +_check_sizes () { + local n=0 + local sz + local total_sz=0 + + # We don't care about the sizes of the meta files. That would be + # embedding too much of the implementation into the test. + n=$(ls ${log_base}/${log_id}-meta-*.jnl | wc -l) + [ $n = 2 ] || return 1 + + # We *do* care about the sizes of the data files, which should exactly + # reflect the amount of data written via dd. + n=0 + while read sz name; do + G_LOG "found journal ${name} size ${sz}MB" + n=$((n+1)) + total_sz=$((total_sz+sz)) + done < <(du -sm ${log_base}/${log_id}-data-*.jnl) + [ $n = 2 ] || return 1 + # On our CentOS and NetBSD regression-test systems, but not on my Fedora + # development system, each file ends up being slightly larger than its + # data size because of metadata, and 'du' rounds that up to a full extra + # megabyte. We'll allow either result, because what we're really + # looking for is a complete failure to roll over from one file to + # another at the appropriate size. + [ $total_sz = 20 -o $total_sz = $((n+20)) ] || return 1 + + return 0 +} + +check_sizes () { + set -x + _check_sizes + ret=$? + set +x + return ret +} + +if [ x"$OSTYPE" = x"NetBSD" ]; then + CREAT_OFLAG="creat," +else + CREAT_OFLAG="" +fi + +TEST rm -f ${log_base}/${log_id}-*.log +TEST glusterd +TEST pidof glusterd + +# Get a simple volume set up and mounted with FDL active. +TEST $CLI volume create $V0 ${H0}:${B0}/${V0}-0 +TEST $CLI volume set $V0 changelog.changelog off +TEST $CLI volume set $V0 features.fdl on +TEST $CLI volume start $V0 +TEST $GFS -s $H0 --volfile-id $V0 $M0 + +# Generate some I/O and unmount/stop so we can see log sizes. +TEST dd if=/dev/zero of=$M0/twentyMB bs=1048576 count=20 \ + oflag=${CREAT_OFLAG}sync +TEST umount $M0 +TEST $CLI volume stop $V0 + +TEST _check_sizes + +cleanup |