[OpenIndiana-discuss] Replacing both disks in a mirror

DavidHalko davidhalko at gmail.com
Wed Oct 10 06:07:47 UTC 2012

> Subject: 
>    set
> Message-ID: <5073F8CC.9050103 at cos.ru>
> Content-Type: text/plain; charset=windows-1252; format=flowed
> 2012-10-09 13:01, Andrej Javor?ek wrote:
>> Martin I hope you succeeded to get your data back.
> +1
>> I have been beaten by ZFS couple of times before
> +2 ;)
>> Now the main question!
>> If I offline disk (zpool offline MYPOOL <disk>), will that disk be usable
>> as a single disk for import?!
> I do understand how people want to make things simpler, but
> how does it not suffice to create a stand-alone separate pool
> on this removable disk or the disk migrating onto another host,
> complete with "installgrub" and the appropriate zpool attributes
> like "bootfs" (perhaps starting with "zpool split" - didn't use
> that yet)?
> In terms of keeping backup in a table, sending some incremental
> snapshots should be safer than letting a mirror resync its
> possible new errors (like those Martin had) completely.
> With snapshots on a separate pool you can rollback easier than
> on an identical clone of the same corrupted pool.
> You are even "guaranteed" to have enough space to do this, since
> you intended to use a sufficiently-sized disk as a mirror half
> anyway.
> //Jim

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