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The device_rebuild feature enables sequential reconstruction when
resilvering. Mirror vdevs can be rebuilt in LBA order which may
more quickly restore redundancy depending on the pools average block
size, overall fragmentation and the performance characteristics
of the devices. However, block checksums cannot be verified
as part of the rebuild thus a scrub is automatically started after
the sequential resilver completes.
The new '-s' option has been added to the `zpool attach` and
`zpool replace` command to request sequential reconstruction
instead of healing reconstruction when resilvering.
zpool attach -s <pool> <existing vdev> <new vdev>
zpool replace -s <pool> <old vdev> <new vdev>
The `zpool status` output has been updated to report the progress
of sequential resilvering in the same way as healing resilvering.
The one notable difference is that multiple sequential resilvers
may be in progress as long as they're operating on different
top-level vdevs.
The `zpool wait -t resilver` command was extended to wait on
sequential resilvers. From this perspective they are no different
than healing resilvers.
Sequential resilvers cannot be supported for RAIDZ, but are
compatible with the dRAID feature being developed.
As part of this change the resilver_restart_* tests were moved
in to the functional/replacement directory. Additionally, the
replacement tests were renamed and extended to verify both
resilvering and rebuilding.
Original-patch-by: Isaac Huang <he.huang@intel.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: John Poduska <jpoduska@datto.com>
Co-authored-by: Mark Maybee <mmaybee@cray.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #10349
44 lines
1.4 KiB
INI
44 lines
1.4 KiB
INI
#
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# CDDL HEADER START
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#
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# The contents of this file are subject to the terms of the
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# Common Development and Distribution License (the "License").
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# You may not use this file except in compliance with the License.
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#
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# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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# or http://www.opensolaris.org/os/licensing.
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# See the License for the specific language governing permissions
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# and limitations under the License.
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#
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# When distributing Covered Code, include this CDDL HEADER in each
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# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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# If applicable, add the following below this CDDL HEADER, with the
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# fields enclosed by brackets "[]" replaced with your own identifying
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# information: Portions Copyright [yyyy] [name of copyright owner]
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#
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# CDDL HEADER END
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#
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#
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# Copyright 2008 Sun Microsystems, Inc. All rights reserved.
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# Use is subject to license terms.
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#
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#
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# Copyright (c) 2013 by Delphix. All rights reserved.
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#
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export TESTFILE=testfile
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export TESTFILE1=testfile1
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export HOLES_FILESIZE=${HOLES_FILESIZE-"67108864"} # 64 Mb
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export HOLES_BLKSIZE=${HOLES_BLKSIZE-"512"}
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export HOLES_SEED=${HOLES_SEED-""}
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export HOLES_FILEOFFSET=${HOLES_FILEOFFSET-""}
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export HOLES_COUNT=${HOLES_COUNT-"16384"} # FILESIZE/BLKSIZE/8
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export REPLACEFILE="sparedisk"
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set -A VDEV_FILES $TEST_BASE_DIR/file-{1..4}
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export VDEV_FILE_SIZE=$(( $SPA_MINDEVSIZE * 2 ))
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export SPARE_VDEV_FILE=$TEST_BASE_DIR/spare-1
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export SPARE_VDEV_FILE2=$TEST_BASE_DIR/spare-2
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