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authorLOLi <[email protected]>2017-05-03 18:31:05 +0200
committerBrian Behlendorf <[email protected]>2017-05-03 09:31:05 -0700
commitdddef7d600580ea35177299fe8394f665cc13387 (patch)
tree980db4683bb602f8ef7925739517563520d8b357 /.gitignore
parent9d3f7b87919b7d0d869153ca72844f565cd0bf52 (diff)
More ashift improvements
This commit allow higher ashift values (up to 16) in 'zpool create' The ashift value was previously limited to 13 (8K block) in b41c990 because the limited number of uberblocks we could fit in the statically sized (128K) vdev label ring buffer could prevent the ability the safely roll back a pool to recover it. Since b02fe35 the largest uberblock size we support is 8K: this allow us to store a minimum number of 16 uberblocks in the vdev label, even with higher ashift values. Additionally change 'ashift' pool property behaviour: if set it will be used as the default hint value in subsequent vdev operations ('zpool add', 'attach' and 'replace'). A custom ashift value can still be specified from the command line, if desired. Finally, fix a bug in add-o_ashift.ksh caused by a missing variable. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: loli10K <[email protected]> Closes #2024 Closes #4205 Closes #4740 Closes #5763
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