Bill Sommerfield,
Are their any existing snaps?
Can you have any scripts that may be
removing aged files?
Mitchell Erblich
------------------
Bill Sommerfeld wrote:
>
> On a v40z running snv_51, I'm doing a "zpool replace z c1t4d0 c1t5d0".
>
> (so, why am I doing the replace? The outgoing disk has been reporting
> read errors sporadically but with increasing frequency over time..)
>
> zpool iostat -v shows writes going to the old (outgoing) disk as well as
> to the replacement disk. Is this intentional?
>
> Seems counterintuitive as I'd think you'd want to touch a suspect disk
> as little as possible and as nondestructively as possible...
>
> A representative snapshot from "zpool iostat -v" :
>
> capacity operations bandwidth
> pool used avail read write read write
> ------------- ----- ----- ----- ----- ----- -----
> z 306G 714G 1.43K 658 23.5M 1.11M
> raidz1 109G 231G 1.08K 392 22.3M 497K
> replacing - - 0 1012 0 5.72M
> c1t4d0 - - 0 753 0 5.73M
> c1t5d0 - - 0 790 0 5.72M
> c2t12d0 - - 339 177 9.46M 149K
> c2t13d0 - - 317 177 9.08M 149K
> c3t12d0 - - 330 181 9.27M 147K
> c3t13d0 - - 352 180 9.45M 146K
> raidz1 100G 240G 117 101 373K 225K
> c1t3d0 - - 65 33 3.99M 64.1K
> c2t10d0 - - 60 44 3.77M 63.2K
> c2t11d0 - - 62 42 3.87M 63.4K
> c3t10d0 - - 63 42 3.88M 62.3K
> c3t11d0 - - 65 35 4.06M 61.8K
> raidz1 96.2G 244G 234 164 768K 415K
> c1t2d0 - - 129 49 7.85M 112K
> c2t8d0 - - 133 54 8.05M 112K
> c2t9d0 - - 132 56 8.08M 113K
> c3t8d0 - - 132 52 8.01M 113K
> c3t9d0 - - 132 49 8.16M 112K
>
> - Bill
>
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