CONTENTS


Lastmodified 2021-05-19 (水) 15:34:02


zpool upgrade

https://w.vmeta.jp/tdiary/20180808.html

root@g7:~:21_05_19:15:26 # zpool status -v
  pool: tank
 state: ONLINE
status: Some supported features are not enabled on the pool. The pool can
        still be used, but some features are unavailable.
action: Enable all features using 'zpool upgrade'. Once this is done,
        the pool may no longer be accessible by software that does not support
        the features. See zpool-features(7) for details.
  scan: scrub repaired 0 in 0 days 08:57:25 with 0 errors on Mon Sep 17 12:47:18 2018
config:

       NAME        STATE     READ WRITE CKSUM
       tank        ONLINE       0     0     0
         raidz1-0  ONLINE       0     0     0
           ada1    ONLINE       0     0     0
           ada2    ONLINE       0     0     0
           ada3    ONLINE       0     0     0

errors: No known data errors
# zpool upgrade tank
This system supports ZFS pool feature flags.

Enabled the following features on 'tank':
  sha512
  skein
  device_removal
  obsolete_counts
  zpool_checkpoint
  spacemap_v2
root@g7:~:21_05_19:15:31 # zpool status -v
  pool: tank
 state: ONLINE
  scan: scrub repaired 0 in 0 days 08:57:25 with 0 errors on Mon Sep 17 12:47:18 2018
config:

       NAME        STATE     READ WRITE CKSUM
       tank        ONLINE       0     0     0
         raidz1-0  ONLINE       0     0     0
           ada1    ONLINE       0     0     0
           ada2    ONLINE       0     0     0
           ada3    ONLINE       0     0     0

errors: No known data errors

root@blackcube:~/bin # zpool status

  pool: tank
 state: ONLINE
status: One or more devices are configured to use a non-native block size.
        Expect reduced performance.
action: Replace affected devices with devices that support the
        configured block size, or migrate data to a properly configured
        pool.
  scan: scrub canceled on Fri Aug 14 08:50:50 2015
config:

        NAME        STATE     READ WRITE CKSUM
        tank        ONLINE       0     0     0
          raidz1-0  ONLINE       0     0     0
            ada1    ONLINE       0     0     0
            ada2    ONLINE       0     0     0  block size: 512B configured, 4096B native
            ada3    ONLINE       0     0     0  block size: 512B configured, 4096B native

errors: No known data errors

  pool: zfspool
 state: ONLINE
status: The pool is formatted using a legacy on-disk format.  The pool can
        still be used, but some features are unavailable.
action: Upgrade the pool using 'zpool upgrade'.  Once this is done, the
        pool will no longer be accessible on software that does not support feature
        flags.
  scan: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        zfspool     ONLINE       0     0     0
          ada0p3    ONLINE       0     0     0

errors: No known data errors

root@blackcube:~/bin # zpool upgrade

This system supports ZFS pool feature flags.

The following pools are formatted with legacy version numbers and can
be upgraded to use feature flags.  After being upgraded, these pools
will no longer be accessible by software that does not support feature
flags.

VER  POOL
---  ------------
28   tank
28   zfspool

Use 'zpool upgrade -v' for a list of available legacy versions.
Every feature flags pool has all supported features enabled.

root@blackcube:~/bin # zpool upgrade -v

This system supports ZFS pool feature flags.

The following features are supported:

FEAT DESCRIPTION
-------------------------------------------------------------
async_destroy                         (read-only compatible)
     Destroy filesystems asynchronously.
empty_bpobj                           (read-only compatible)
     Snapshots use less space.
lz4_compress
     LZ4 compression algorithm support.
multi_vdev_crash_dump
     Crash dumps to multiple vdev pools.
spacemap_histogram                    (read-only compatible)
     Spacemaps maintain space histograms.
enabled_txg                           (read-only compatible)
     Record txg at which a feature is enabled
hole_birth
     Retain hole birth txg for more precise zfs send
extensible_dataset
     Enhanced dataset functionality, used by other features.
bookmarks                             (read-only compatible)
     "zfs bookmark" command
filesystem_limits                     (read-only compatible)
     Filesystem and snapshot limits.

The following legacy versions are also supported:

VER  DESCRIPTION
---  --------------------------------------------------------
 1   Initial ZFS version
 2   Ditto blocks (replicated metadata)
 3   Hot spares and double parity RAID-Z
 4   zpool history
 5   Compression using the gzip algorithm
 6   bootfs pool property
 7   Separate intent log devices
 8   Delegated administration
 9   refquota and refreservation properties
 10  Cache devices
 11  Improved scrub performance
 12  Snapshot properties
 13  snapused property
 14  passthrough-x aclinherit
 15  user/group space accounting
 16  stmf property support
 17  Triple-parity RAID-Z
 18  Snapshot user holds
 19  Log device removal
 20  Compression using zle (zero-length encoding)
 21  Deduplication
 22  Received properties
 23  Slim ZIL
 24  System attributes
 25  Improved scrub stats
 26  Improved snapshot deletion performance
 27  Improved snapshot creation performance
 28  Multiple vdev replacements

For more information on a particular version, including supported releases,
see the ZFS Administration Guide.

http://docs.oracle.com/cd/E19253-01/819-6260/gcikw/

root@blackcube:~/bin # zpool upgrade -a

This system supports ZFS pool feature flags.

Successfully upgraded 'tank' from version 28 to feature flags.
Enabled the following features on 'tank':
  async_destroy
  empty_bpobj
  lz4_compress
  multi_vdev_crash_dump
  spacemap_histogram
  enabled_txg
  hole_birth
  extensible_dataset
  bookmarks
  filesystem_limits

Successfully upgraded 'zfspool' from version 28 to feature flags.
Enabled the following features on 'zfspool':
  async_destroy
  empty_bpobj
  lz4_compress
  multi_vdev_crash_dump
  spacemap_histogram
  enabled_txg
  hole_birth
  extensible_dataset
  bookmarks
  filesystem_limits

If you boot from pool 'zfspool', don't forget to update boot code.
Assuming you use GPT partitioning and da0 is your boot disk
the following command will do it:

        gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da0

ここで gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 ada0 をしないと、起動できなくなります。

zfsブート出来なく成ってしまった場合、インストーラDVD(FreeBSD 9.3-R DVD-1など)で LIVE CD を起動し、root ログインして

gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 ada0

する

root@blackcube:~/bin # zpool status

  pool: tank
 state: ONLINE
status: One or more devices are configured to use a non-native block size.
        Expect reduced performance.
action: Replace affected devices with devices that support the
        configured block size, or migrate data to a properly configured
        pool.
  scan: scrub canceled on Fri Aug 14 08:50:50 2015
config:

        NAME        STATE     READ WRITE CKSUM
        tank        ONLINE       0     0     0
          raidz1-0  ONLINE       0     0     0
            ada1    ONLINE       0     0     0
            ada2    ONLINE       0     0     0  block size: 512B configured, 4096B native
            ada3    ONLINE       0     0     0  block size: 512B configured, 4096B native

errors: No known data errors

  pool: zfspool
 state: ONLINE
  scan: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        zfspool     ONLINE       0     0     0
          ada0p3    ONLINE       0     0     0

errors: No known data errors

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Last-modified: 2021-05-19 (水) 15:34:02