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authorTony Hutter <[email protected]>2018-11-08 16:47:24 -0800
committerBrian Behlendorf <[email protected]>2018-11-08 16:47:24 -0800
commitad796b8a3b2565bcd9c7460b7bf9154e4850ca93 (patch)
tree645cc21be6d49c034f00273276caa82ce59702a7 /man/man8/zpool.8
parent877d925a9e816337bb62ee61d564118db0181477 (diff)
Add zpool status -s (slow I/Os) and -p (parseable)
This patch adds a new slow I/Os (-s) column to zpool status to show the number of VDEV slow I/Os. This is the number of I/Os that didn't complete in zio_slow_io_ms milliseconds. It also adds a new parsable (-p) flag to display exact values. NAME STATE READ WRITE CKSUM SLOW testpool ONLINE 0 0 0 - mirror-0 ONLINE 0 0 0 - loop0 ONLINE 0 0 0 20 loop1 ONLINE 0 0 0 0 Reviewed-by: Brian Behlendorf <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> Signed-off-by: Tony Hutter <[email protected]> Closes #7756 Closes #6885
Diffstat (limited to 'man/man8/zpool.8')
-rw-r--r--man/man8/zpool.812
1 files changed, 10 insertions, 2 deletions
diff --git a/man/man8/zpool.8 b/man/man8/zpool.8
index 8fe6b494b..b9e0e1ad4 100644
--- a/man/man8/zpool.8
+++ b/man/man8/zpool.8
@@ -182,7 +182,7 @@
.Nm
.Cm status
.Oo Fl c Ar SCRIPT Oc
-.Op Fl gLPvxD
+.Op Fl DgLpPsvx
.Op Fl T Sy u Ns | Ns Sy d
.Oo Ar pool Oc Ns ...
.Op Ar interval Op Ar count
@@ -2167,7 +2167,7 @@ and automatically import it.
.Nm
.Cm status
.Op Fl c Op Ar SCRIPT1 Ns Oo , Ns Ar SCRIPT2 Oc Ns ...
-.Op Fl gLPvxD
+.Op Fl DgLpPsvx
.Op Fl T Sy u Ns | Ns Sy d
.Oo Ar pool Oc Ns ...
.Op Ar interval Op Ar count
@@ -2203,6 +2203,8 @@ Display real paths for vdevs resolving all symbolic links. This can
be used to look up the current block device name regardless of the
.Pa /dev/disk/
path used to open it.
+.It Fl p
+Display numbers in parsable (exact) values.
.It Fl P
Display full paths for vdevs instead of only the last component of
the path. This can be used in conjunction with the
@@ -2214,6 +2216,12 @@ Display a histogram of deduplication statistics, showing the allocated
and referenced
.Pq logically referenced in the pool
block counts and sizes by reference count.
+.It Fl s
+Display the number of leaf VDEV slow IOs. This is the number of IOs that
+didn't complete in \fBzio_slow_io_ms\fR milliseconds (default 30 seconds).
+This does not necessarily mean the IOs failed to complete, just took an
+unreasonably long amount of time. This may indicate a problem with the
+underlying storage.
.It Fl T Sy u Ns | Ns Sy d
Display a time stamp.
Specify