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2015-01-05(Mon) [長年日記]

UPSの電池が寿命でリブートしたら、ZFSが新しくなっていた。

新しい機能が使えるらしいのでupgradeした。

# zpool status

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(5) for details.

scan: resilvered 515G in 2h55m with 0 errors on Sat Apr 5 18:27:37 2014

config:

NAME STATE READ WRITE CKSUM

tank ONLINE 0 0 0

mirror-0 ONLINE 0 0 0

ata-ST3000DM001-9YN166_S1F05E5K-part1 ONLINE 0 0 0

ata-TOSHIBA_DT01ACA300_53SWYX9GS-part1 ONLINE 0 0 0

errors: No known data errors

# zpool upgrade

This system supports ZFS pool feature flags.

All pools are formatted using feature flags.

Some supported features are not enabled on the following pools. Once a

feature is enabled the pool may become incompatible with software

that does not support the feature. See zpool-features(5) for details.

POOL FEATURE

---------------

tank

spacemap_histogram

enabled_txg

hole_birth

extensible_dataset

embedded_data

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