diff options
Diffstat (limited to 'sys/contrib/openzfs/man/man8/zpool-add.8')
| -rw-r--r-- | sys/contrib/openzfs/man/man8/zpool-add.8 | 43 |
1 files changed, 40 insertions, 3 deletions
diff --git a/sys/contrib/openzfs/man/man8/zpool-add.8 b/sys/contrib/openzfs/man/man8/zpool-add.8 index 26cf33c5538c..60b35f1a511a 100644 --- a/sys/contrib/openzfs/man/man8/zpool-add.8 +++ b/sys/contrib/openzfs/man/man8/zpool-add.8 @@ -5,7 +5,7 @@ .\" You may not use this file except in compliance with the License. .\" .\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE -.\" or http://www.opensolaris.org/os/licensing. +.\" or https://opensource.org/licenses/CDDL-1.0. .\" See the License for the specific language governing permissions .\" and limitations under the License. .\" @@ -24,8 +24,9 @@ .\" Copyright (c) 2018 George Melikov. All Rights Reserved. .\" Copyright 2017 Nexenta Systems, Inc. .\" Copyright (c) 2017 Open-E, Inc. All Rights Reserved. +.\" Copyright (c) 2024 by Delphix. All Rights Reserved. .\" -.Dd May 27, 2021 +.Dd March 8, 2024 .Dt ZPOOL-ADD 8 .Os . @@ -36,6 +37,7 @@ .Nm zpool .Cm add .Op Fl fgLnP +.Op Fl -allow-in-use -allow-replication-mismatch -allow-ashift-mismatch .Oo Fl o Ar property Ns = Ns Ar value Oc .Ar pool vdev Ns … . @@ -56,7 +58,8 @@ subcommand. .It Fl f Forces use of .Ar vdev Ns s , -even if they appear in use or specify a conflicting replication level. +even if they appear in use, have conflicting ashift values, or specify +a conflicting replication level. Not all devices can be overridden in this manner. .It Fl g Display @@ -91,8 +94,42 @@ See the manual page for a list of valid properties that can be set. The only property supported at the moment is .Sy ashift . +.It Fl -allow-ashift-mismatch +Disable the ashift validation which allows mismatched ashift values in the +pool. +Adding top-level +.Ar vdev Ns s +with different sector sizes will prohibit future device removal operations, see +.Xr zpool-remove 8 . +.It Fl -allow-in-use +Allow vdevs to be added even if they might be in use in another pool. +.It Fl -allow-replication-mismatch +Allow vdevs with conflicting replication levels to be added to the pool. .El . +.Sh EXAMPLES +.\" These are, respectively, examples 5, 13 from zpool.8 +.\" Make sure to update them bidirectionally +.Ss Example 1 : No Adding a Mirror to a ZFS Storage Pool +The following command adds two mirrored disks to the pool +.Ar tank , +assuming the pool is already made up of two-way mirrors. +The additional space is immediately available to any datasets within the pool. +.Dl # Nm zpool Cm add Ar tank Sy mirror Pa sda sdb +. +.Ss Example 2 : 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 +. .Sh SEE ALSO .Xr zpool-attach 8 , .Xr zpool-import 8 , |