Upgrading ZFS Storage Pools in Solaris 11.4
ISSUE : The pool is formatted using an older on-disk format. The pool can still be used, but some features are unavailable.
GOAL : Upgrading ZFS Storage Pools in Solaris 11.4
SOLUTION : Upgrade the zpool to latest version to avail all the features.
Prerequisites :
1. Check the zpool status to find the version.
root@JUDI-DEV-10:/root# zpool status
pool: rpool
state: ONLINE
status: The pool is formatted using an older 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 older software versions.
config:
NAME STATE READ WRITE CKSUM
rpool ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
c0t6000CCA02A507030d0 ONLINE 0 0 0
c0t6000CCA02A507984d0 ONLINE 0 0 0
errors: No known data errors
root@JUDI-DEV-10:/root#
2. Check the servers zpool software installed version and zpool volume is configured in which version.
root@JUDI-DEV-10:/root# zpool upgrade
This system is currently running ZFS pool version 45.
The following pools are out of date, and can be upgraded. After being
upgraded, these pools will no longer be accessible by older software versions.
VER POOL
--- ------------
44 rpool
Use 'zpool upgrade -v' for a list of available versions and their associated features.
root@JUDI-DEV-10:/root#
The Installed version of zpool version in OS is 45, The rpool volume is with version 44
3. List of available versions and their associated features..
root@JUDI-DEV-10:/root# zpool upgrade -v
This system is currently running ZFS pool version 45.
The following versions are 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
29 RAID-Z/mirror hybrid allocator
30 Encryption
31 Improved 'zfs list' performance
32 One MB blocksize
33 Improved share support
34 Sharing with inheritance
35 Sequential resilver
36 Efficient log block allocation
37 LZ4 compression
38 Xcopy with encryption
39 Resilver restart enhancements
40 New deduplication support
41 Asynchronous dataset destroy
42 Reguid: ability to change the pool guid
43 RAID-Z improvements and cloud device support
44 Device removal
45 Lazy deadlists
For more information on a particular version, including supported releases, see the ZFS Administration Guide.
root@JUDI-DEV-10:/root#
4. Upgrade the zpool version from 44 to 45 (The latest zpool version)
root@JUDI-DEV-10:/root# zpool upgrade rpool
This system is currently running ZFS pool version 45.
Successfully upgraded 'rpool' from version 44 to version 45
root@JUDI-DEV-10:/root#
5. Check the status of zpool version
root@JUDI-DEV-10:/root# zpool upgrade
This system is currently running ZFS pool version 45.
All pools are formatted using this version.
root@JUDI-DEV-10:/root#
~Judi~
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