diff options
Diffstat (limited to 'tests/zfs-tests/tests/functional/slog/slog_replay_fs_002.ksh')
| -rwxr-xr-x | tests/zfs-tests/tests/functional/slog/slog_replay_fs_002.ksh | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/tests/zfs-tests/tests/functional/slog/slog_replay_fs_002.ksh b/tests/zfs-tests/tests/functional/slog/slog_replay_fs_002.ksh new file mode 100755 index 000000000000..3c3ccdf4ad23 --- /dev/null +++ b/tests/zfs-tests/tests/functional/slog/slog_replay_fs_002.ksh @@ -0,0 +1,137 @@ +#!/bin/ksh -p +# +# CDDL HEADER START +# +# The contents of this file are subject to the terms of the +# Common Development and Distribution License (the "License"). +# You may not use this file except in compliance with the License. +# +# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE +# or http://www.opensolaris.org/os/licensing. +# See the License for the specific language governing permissions +# and limitations under the License. +# +# When distributing Covered Code, include this CDDL HEADER in each +# file and include the License file at usr/src/OPENSOLARIS.LICENSE. +# If applicable, add the following below this CDDL HEADER, with the +# fields enclosed by brackets "[]" replaced with your own identifying +# information: Portions Copyright [yyyy] [name of copyright owner] +# +# CDDL HEADER END +# + +# +# Copyright 2007 Sun Microsystems, Inc. All rights reserved. +# Use is subject to license terms. +# + +. $STF_SUITE/tests/functional/slog/slog.kshlib + +# +# DESCRIPTION: +# Verify slog replay correctly when TX_REMOVEs are followed by +# TX_CREATEs. +# +# STRATEGY: +# 1. Create a file system (TESTFS) with a lot of files +# 2. Freeze TESTFS +# 3. Remove all files then create a lot of files +# 4. Copy TESTFS to temporary location (TESTDIR/copy) +# 5. Unmount filesystem +# <at this stage TESTFS is empty again and unfrozen, and the +# intent log contains a complete set of deltas to replay it> +# 6. Remount TESTFS <which replays the intent log> +# 7. Compare TESTFS against the TESTDIR/copy +# + +verify_runnable "global" + +function cleanup_fs +{ + cleanup +} + +log_assert "Replay of intent log succeeds." +log_onexit cleanup_fs +log_must setup + +# +# 1. Create a file system (TESTFS) with a lot of files +# +log_must zpool create $TESTPOOL $VDEV log mirror $LDEV +log_must zfs set compression=on $TESTPOOL +log_must zfs create $TESTPOOL/$TESTFS + +# Prep for the test of TX_REMOVE followed by TX_CREATE +dnsize=(legacy auto 1k 2k 4k 8k 16k) +NFILES=200 +log_must mkdir /$TESTPOOL/$TESTFS/dir0 +log_must eval 'for i in $(seq $NFILES); do zfs set dnodesize=${dnsize[$RANDOM % ${#dnsize[@]}]} $TESTPOOL/$TESTFS; touch /$TESTPOOL/$TESTFS/dir0/file.$i; done' + +# +# Reimport to reset dnode allocation pointer. +# This is to make sure we will have TX_REMOVE and TX_CREATE on same id +# +log_must zpool export $TESTPOOL +log_must zpool import -f -d $VDIR $TESTPOOL + +# +# This dd command works around an issue where ZIL records aren't created +# after freezing the pool unless a ZIL header already exists. Create a file +# synchronously to force ZFS to write one out. +# +log_must dd if=/dev/zero of=/$TESTPOOL/$TESTFS/sync \ + conv=fdatasync,fsync bs=1 count=1 + +# +# 2. Freeze TESTFS +# +log_must zpool freeze $TESTPOOL + +# +# 3. Remove all files then create a lot of files +# +# TX_REMOVE followed by TX_CREATE +log_must eval 'rm -f /$TESTPOOL/$TESTFS/dir0/*' +log_must eval 'for i in $(seq $NFILES); do zfs set dnodesize=${dnsize[$RANDOM % ${#dnsize[@]}]} $TESTPOOL/$TESTFS; touch /$TESTPOOL/$TESTFS/dir0/file.$i; done' + +# +# 4. Copy TESTFS to temporary location (TESTDIR/copy) +# +log_must mkdir -p $TESTDIR/copy +log_must cp -a /$TESTPOOL/$TESTFS/* $TESTDIR/copy/ + +# +# 5. Unmount filesystem and export the pool +# +# At this stage TESTFS is empty again and frozen, the intent log contains +# a complete set of deltas to replay. +# +log_must zfs unmount /$TESTPOOL/$TESTFS + +log_note "Verify transactions to replay:" +log_must zdb -iv $TESTPOOL/$TESTFS + +log_must zpool export $TESTPOOL + +# +# 6. Remount TESTFS <which replays the intent log> +# +# Import the pool to unfreeze it and claim log blocks. It has to be +# `zpool import -f` because we can't write a frozen pool's labels! +# +log_must zpool import -f -d $VDIR $TESTPOOL + +# +# 7. Compare TESTFS against the TESTDIR/copy +# +log_note "Verify current block usage:" +log_must zdb -bcv $TESTPOOL + +log_note "Verify number of files" +log_must test "$(ls /$TESTPOOL/$TESTFS/dir0 | wc -l)" -eq $NFILES + +log_note "Verify working set diff:" +log_must diff -r /$TESTPOOL/$TESTFS $TESTDIR/copy + +log_pass "Replay of intent log succeeds." |