diff options
| author | наб <[email protected]> | 2022-03-16 18:04:41 +0100 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2022-03-28 10:13:13 -0700 |
| commit | 69b06a77b6ed57b0a519ff3b312f6cf6a8c5cad7 (patch) | |
| tree | c40c77d24e4d1c3717a5c04796b064b5038e98fa /man/man8/zpool-iostat.8 | |
| parent | b36069ab8862502760bc6edcd16c45bceb9aadc8 (diff) | |
man: zpool-iostat.8: import examples from zpool.8
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Ahelenia Ziemiańska <[email protected]>
Closes #13228
Diffstat (limited to 'man/man8/zpool-iostat.8')
| -rw-r--r-- | man/man8/zpool-iostat.8 | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/man/man8/zpool-iostat.8 b/man/man8/zpool-iostat.8 index 969c74cf3..b0c0565c4 100644 --- a/man/man8/zpool-iostat.8 +++ b/man/man8/zpool-iostat.8 @@ -26,7 +26,7 @@ .\" Copyright 2017 Nexenta Systems, Inc. .\" Copyright (c) 2017 Open-E, Inc. All Rights Reserved. .\" -.Dd May 27, 2021 +.Dd March 16, 2022 .Dt ZPOOL-IOSTAT 8 .Os . @@ -258,6 +258,46 @@ If you specify an interval, the measurements will be sampled from the end of the interval. .El . +.Sh EXAMPLES +.\" These are, respectively, examples 13, 16 from zpool.8 +.\" Make sure to update them bidirectionally +.Ss Example 13 : No Adding Cache Devices to a ZFS Pool +The following command adds two disks for use as cache devices to a ZFS storage +pool: +.Dl # Nm zpool Cm add Ar pool Sy cache Pa sdc sdd +.Pp +Once added, the cache devices gradually fill with content from main memory. +Depending on the size of your cache devices, it could take over an hour for +them to fill. +Capacity and reads can be monitored using the +.Cm iostat +subcommand as follows: +.Dl # Nm zpool Cm iostat Fl v Ar pool 5 +. +.Ss Example 16 : No Adding output columns +Additional columns can be added to the +.Nm zpool Cm status No and Nm zpool Cm iostat No output with Fl c . +.Bd -literal -compact -offset Ds +.No # Nm zpool Cm status Fl c Pa vendor , Ns Pa model , Ns Pa size + NAME STATE READ WRITE CKSUM vendor model size + tank ONLINE 0 0 0 + mirror-0 ONLINE 0 0 0 + U1 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T + U10 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T + U11 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T + U12 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T + U13 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T + U14 ONLINE 0 0 0 SEAGATE ST8000NM0075 7.3T + +.No # Nm zpool Cm iostat Fl vc Pa size + capacity operations bandwidth +pool alloc free read write read write size +---------- ----- ----- ----- ----- ----- ----- ---- +rpool 14.6G 54.9G 4 55 250K 2.69M + sda1 14.6G 54.9G 4 55 250K 2.69M 70G +---------- ----- ----- ----- ----- ----- ----- ---- +.Ed +. .Sh SEE ALSO .Xr iostat 1 , .Xr smartctl 8 , |