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From: =?UTF-8?B?QXJhbSBIxIN2xINybmVhbnU=?= <aram.h@mgk.ro>
Date: Thu,  5 Jan 2012 21:13:08 +0200
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To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] venti and "contrib": RFC
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>> venti doesn't have a "scrub" command, does it? zfs scrub was
>> instrumental in warning me that I needed new disks.
>
> they're using coraid storage. =C2=A0all this is taken care of for them
> by the SR appliance.

Out of curiosity, how?  ZFS blocks are checksummed. ZFS scrub reads
not physical blocks on disks, but logical ZFS blocks and validates
their checksum.  How can the Coraid appliance determine if the data it
reads is valid or not since it works below the file system layer and
only understands physical blocks?

--=20
Aram H=C4=83v=C4=83rneanu