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| author | Alek Pinchuk <apinchuk@datto.com> | 2017-07-11 15:17:02 -0400 |
|---|---|---|
| committer | Prakash Surya <prakash.surya@delphix.com> | 2017-08-21 12:29:56 -0700 |
| commit | 1702cce751c5cb7ead878d0205a6c90b027e3de8 (patch) | |
| tree | 4128f9cf802c8cdb929eb5e0f9468a60aae00609 /usr/src/man/man1m | |
| parent | 8f9a8cb713c7aacb6b1ec423716315b430386f88 (diff) | |
| download | illumos-joyent-1702cce751c5cb7ead878d0205a6c90b027e3de8.tar.gz | |
8414 Implemented zpool scrub pause/resume
Reviewed by: George Melikov <mail@gmelikov.ru>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Brad Lewis <brad.lewis@delphix.com>
Reviewed by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Approved by: Dan McDonald <danmcd@joyent.com>
Diffstat (limited to 'usr/src/man/man1m')
| -rw-r--r-- | usr/src/man/man1m/zpool.1m | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/usr/src/man/man1m/zpool.1m b/usr/src/man/man1m/zpool.1m index 3efb9930af..1d7c3e295b 100644 --- a/usr/src/man/man1m/zpool.1m +++ b/usr/src/man/man1m/zpool.1m @@ -22,8 +22,9 @@ .\" Copyright (c) 2007, Sun Microsystems, Inc. All Rights Reserved. .\" Copyright (c) 2013 by Delphix. All rights reserved. .\" Copyright 2017 Nexenta Systems, Inc. +.\" Copyright (c) 2017 Datto Inc. .\" -.Dd Oct 2, 2016 +.Dd June 21, 2017 .Dt ZPOOL 1M .Os .Sh NAME @@ -137,7 +138,7 @@ .Ar pool Ar device Op Ar new_device .Nm .Cm scrub -.Op Fl s +.Op Fl s | Fl p .Ar pool Ns ... .Nm .Cm set @@ -1445,10 +1446,10 @@ Not all devices can be overridden in this manner. .It Xo .Nm .Cm scrub -.Op Fl s +.Op Fl s | Fl p .Ar pool Ns ... .Xc -Begins a scrub. +Begins a scrub or resumes a paused scrub. The scrub examines all data in the specified pools to verify that it checksums correctly. For replicated @@ -1471,15 +1472,27 @@ faults or disk failure. .Pp Because scrubbing and resilvering are I/O-intensive operations, ZFS only allows one at a time. -If a scrub is already in progress, the +If a scrub is paused, the .Nm zpool Cm scrub -command terminates it and starts a new scrub. +resumes it. If a resilver is in progress, ZFS does not allow a scrub to be started until the resilver completes. .Bl -tag -width Ds .It Fl s Stop scrubbing. .El +.Bl -tag -width Ds +.It Fl p +Pause scrubbing. +Scrub pause state and progress are periodically synced to disk. +If the system is restarted or pool is exported during a paused scrub, +even after import, scrub will remain paused until it is resumed. +Once resumed the scrub will pick up from the place where it was last +checkpointed to disk. +To resume a paused scrub issue +.Nm zpool Cm scrub +again. +.El .It Xo .Nm .Cm set |