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When very large pools are present, it can be laborious to find
reasons for why a pool is degraded and/or where an unhealthy vdev
is. This option filters out vdevs that are ONLINE and with no errors
to make it easier to see where the issues are. Root and parents of
unhealthy vdevs will always be printed.
Testing:
ZFS errors and drive failures for multiple vdevs were simulated with
zinject.
Sample vdev listings with '-e' option
- All vdevs healthy
NAME STATE READ WRITE CKSUM
iron5 ONLINE 0 0 0
- ZFS errors
NAME STATE READ WRITE CKSUM
iron5 ONLINE 0 0 0
raidz2-5 ONLINE 1 0 0
L23 ONLINE 1 0 0
L24 ONLINE 1 0 0
L37 ONLINE 1 0 0
- Vdev faulted
NAME STATE READ WRITE CKSUM
iron5 DEGRADED 0 0 0
raidz2-6 DEGRADED 0 0 0
L67 FAULTED 0 0 0 too many errors
- Vdev faults and data errors
NAME STATE READ WRITE CKSUM
iron5 DEGRADED 0 0 0
raidz2-1 DEGRADED 0 0 0
L2 FAULTED 0 0 0 too many errors
raidz2-5 ONLINE 1 0 0
L23 ONLINE 1 0 0
L24 ONLINE 1 0 0
L37 ONLINE 1 0 0
raidz2-6 DEGRADED 0 0 0
L67 FAULTED 0 0 0 too many errors
- Vdev missing
NAME STATE READ WRITE CKSUM
iron5 DEGRADED 0 0 0
raidz2-6 DEGRADED 0 0 0
L67 UNAVAIL 3 1 0
- Slow devices when -s provided with -e
NAME STATE READ WRITE CKSUM SLOW
iron5 DEGRADED 0 0 0 -
raidz2-5 DEGRADED 0 0 0 -
L10 FAULTED 0 0 0 0 external device fault
L51 ONLINE 0 0 0 14
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Cameron Harr <harr1@llnl.gov>
Closes #15769
170 lines
5.6 KiB
Groff
170 lines
5.6 KiB
Groff
.\"
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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 https://opensource.org/licenses/CDDL-1.0.
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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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.\" Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved.
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.\" Copyright (c) 2012, 2018 by Delphix. All rights reserved.
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.\" Copyright (c) 2012 Cyril Plisko. All Rights Reserved.
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.\" Copyright (c) 2017 Datto Inc.
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.\" Copyright (c) 2018 George Melikov. All Rights Reserved.
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.\" Copyright 2017 Nexenta Systems, Inc.
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.\" Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
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.\"
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.Dd March 16, 2022
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.Dt ZPOOL-STATUS 8
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.Os
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.
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.Sh NAME
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.Nm zpool-status
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.Nd show detailed health status for ZFS storage pools
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.Sh SYNOPSIS
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.Nm zpool
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.Cm status
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.Op Fl DeigLpPstvx
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.Op Fl T Sy u Ns | Ns Sy d
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.Op Fl c Op Ar SCRIPT1 Ns Oo , Ns Ar SCRIPT2 Oc Ns …
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.Oo Ar pool Oc Ns …
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.Op Ar interval Op Ar count
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.
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.Sh DESCRIPTION
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Displays the detailed health status for the given pools.
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If no
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.Ar pool
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is specified, then the status of each pool in the system is displayed.
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For more information on pool and device health, see the
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.Sx Device Failure and Recovery
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section of
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.Xr zpoolconcepts 7 .
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.Pp
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If a scrub or resilver is in progress, this command reports the percentage done
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and the estimated time to completion.
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Both of these are only approximate, because the amount of data in the pool and
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the other workloads on the system can change.
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.Bl -tag -width Ds
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.It Fl -power
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Display vdev enclosure slot power status (on or off).
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.It Fl c Op Ar SCRIPT1 Ns Oo , Ns Ar SCRIPT2 Oc Ns …
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Run a script (or scripts) on each vdev and include the output as a new column
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in the
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.Nm zpool Cm status
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output.
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See the
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.Fl c
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option of
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.Nm zpool Cm iostat
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for complete details.
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.It Fl e
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Only show unhealthy vdevs (not-ONLINE or with errors).
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.It Fl i
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Display vdev initialization status.
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.It Fl g
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Display vdev GUIDs instead of the normal device names
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These GUIDs can be used in place of device names for the zpool
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detach/offline/remove/replace commands.
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.It Fl L
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Display real paths for vdevs resolving all symbolic links.
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This can be used to look up the current block device name regardless of the
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.Pa /dev/disk/
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path used to open it.
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.It Fl p
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Display numbers in parsable (exact) values.
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.It Fl P
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Display full paths for vdevs instead of only the last component of
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the path.
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This can be used in conjunction with the
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.Fl L
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flag.
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.It Fl D
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Display a histogram of deduplication statistics, showing the allocated
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.Pq physically present on disk
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and referenced
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.Pq logically referenced in the pool
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block counts and sizes by reference count.
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.It Fl s
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Display the number of leaf vdev slow I/O operations.
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This is the number of I/O operations that didn't complete in
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.Sy zio_slow_io_ms
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milliseconds
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.Pq Sy 30000 No by default .
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This does not necessarily mean the I/O operations failed to complete, just took
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an
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unreasonably long amount of time.
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This may indicate a problem with the underlying storage.
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.It Fl t
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Display vdev TRIM status.
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.It Fl T Sy u Ns | Ns Sy d
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Display a time stamp.
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Specify
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.Sy u
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for a printed representation of the internal representation of time.
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See
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.Xr time 1 .
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Specify
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.Sy d
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for standard date format.
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See
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.Xr date 1 .
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.It Fl v
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Displays verbose data error information, printing out a complete list of all
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data errors since the last complete pool scrub.
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If the head_errlog feature is enabled and files containing errors have been
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removed then the respective filenames will not be reported in subsequent runs
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of this command.
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.It Fl x
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Only display status for pools that are exhibiting errors or are otherwise
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unavailable.
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Warnings about pools not using the latest on-disk format will not be included.
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.El
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.
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.Sh EXAMPLES
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.\" These are, respectively, examples 16 from zpool.8
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.\" Make sure to update them bidirectionally
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.Ss Example 1 : No Adding output columns
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Additional columns can be added to the
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.Nm zpool Cm status No and Nm zpool Cm iostat No output with Fl c .
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.Bd -literal -compact -offset Ds
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.No # Nm zpool Cm status Fl c Pa vendor , Ns Pa model , Ns Pa size
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NAME STATE READ WRITE CKSUM vendor model size
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tank ONLINE 0 0 0
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mirror-0 ONLINE 0 0 0
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U1 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T
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U10 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T
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U11 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T
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U12 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T
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U13 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T
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U14 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T
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.No # Nm zpool Cm iostat Fl vc Pa size
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capacity operations bandwidth
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pool alloc free read write read write size
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---------- ----- ----- ----- ----- ----- ----- ----
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rpool 14.6G 54.9G 4 55 250K 2.69M
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sda1 14.6G 54.9G 4 55 250K 2.69M 70G
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---------- ----- ----- ----- ----- ----- ----- ----
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.Ed
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.
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.Sh SEE ALSO
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.Xr zpool-events 8 ,
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.Xr zpool-history 8 ,
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.Xr zpool-iostat 8 ,
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.Xr zpool-list 8 ,
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.Xr zpool-resilver 8 ,
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.Xr zpool-scrub 8 ,
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.Xr zpool-wait 8
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