tests/zfs-tests/tests/functional/removal/removal_condense_export.ksh

   1 #! /bin/ksh -p
   2 #
   3 # CDDL HEADER START
   4 #
   5 # This file and its contents are supplied under the terms of the
   6 # Common Development and Distribution License ("CDDL"), version 1.0.
   7 # You may only use this file in accordance with the terms of version
   8 # 1.0 of the CDDL.
   9 #
  10 # A full copy of the text of the CDDL should have accompanied this
  11 # source.  A copy of the CDDL is also available via the Internet at
  12 # http://www.illumos.org/license/CDDL.
  13 #
  14 # CDDL HEADER END
  15 #
  16
  17 #
  18 # Copyright (c) 2015, 2016 by Delphix. All rights reserved.
  19 #
  20
  21 . $STF_SUITE/include/libtest.shlib
  22 . $STF_SUITE/tests/functional/removal/removal.kshlib
  23
  24 if is_linux; then
  25         log_unsupported "ZDB fails during concurrent pool activity."
  26 fi
  27
  28 function reset
  29 {
  30         log_must set_tunable64 zfs_condense_indirect_commit_entry_delay_ms 0
  31         log_must set_tunable64 zfs_condense_min_mapping_bytes 131072
  32         default_cleanup_noexit
  33 }
  34
  35 default_setup_noexit "$DISKS" "true"
  36 log_onexit reset
  37 log_must set_tunable64 zfs_condense_indirect_commit_entry_delay_ms 1000
  38 log_must set_tunable64 zfs_condense_min_mapping_bytes 1
  39
  40 log_must zfs set recordsize=512 $TESTPOOL/$TESTFS
  41
  42 #
  43 # Create a large file so that we know some of the blocks will be on the
  44 # removed device, and hence eligible for remapping.
  45 #
  46 log_must dd if=/dev/urandom of=$TESTDIR/file bs=1024k count=10
  47
  48 #
  49 # Create a file in the other filesystem, which will not be remapped.
  50 #
  51 log_must dd if=/dev/urandom of=$TESTDIR1/file bs=1024k count=10
  52
  53 #
  54 # Randomly rewrite some of blocks in the file so that there will be holes and
  55 # we will not be able to remap the entire file in a few huge chunks.
  56 #
  57 for i in {1..4096}; do
  58         #
  59         # We have to sync periodically so that all the writes don't end up in
  60         # the same txg. If they were all in the same txg, only the last write
  61         # would go through and we would not have as many allocations to
  62         # fragment the file.
  63         #
  64         ((i % 100 > 0 )) || sync_pool $TESTPOOL || log_fail "Could not sync."
  65         random_write $TESTDIR/file 512 || \
  66             log_fail "Could not random write."
  67 done
  68
  69 REMOVEDISKPATH=/dev
  70 case $REMOVEDISK in
  71         /*)
  72                 REMOVEDISKPATH=$(dirname $REMOVEDISK)
  73                 ;;
  74 esac
  75
  76 log_must zpool remove $TESTPOOL $REMOVEDISK
  77 log_must wait_for_removal $TESTPOOL
  78 log_mustnot vdevs_in_pool $TESTPOOL $REMOVEDISK
  79
  80 log_must zfs remap $TESTPOOL/$TESTFS
  81 sync_pool $TESTPOOL
  82 sleep 5
  83 sync_pool $TESTPOOL
  84 log_must zpool export $TESTPOOL
  85 zdb -e -p $REMOVEDISKPATH $TESTPOOL | grep 'Condensing indirect vdev' || \
  86     log_fail "Did not export during a condense."
  87 log_must zdb -e -p $REMOVEDISKPATH -cudi $TESTPOOL
  88 log_must zpool import $TESTPOOL
  89
  90 log_pass "Pool can be exported in the middle of a condense."