* virtual disk image checksum
@ 2008-03-26 14:01 Lil Evil
2008-04-13 16:02 ` Mark Williamson
0 siblings, 1 reply; 2+ messages in thread
From: Lil Evil @ 2008-03-26 14:01 UTC (permalink / raw)
To: xen-devel
Hi,
I was wondering weather xens virtual disk images does implement a cluster (request) based checksum like physical hard drives do? Or does xen rely on the underlying subsystem (host file/disk system) to carry out this task?
-lil-
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* Re: virtual disk image checksum
2008-03-26 14:01 virtual disk image checksum Lil Evil
@ 2008-04-13 16:02 ` Mark Williamson
0 siblings, 0 replies; 2+ messages in thread
From: Mark Williamson @ 2008-04-13 16:02 UTC (permalink / raw)
To: xen-devel; +Cc: Lil Evil
I think it relies on the underlying subsystem to carry this out (and any
consistency checks in the guest filesystem). The virtual disk format most
commonly used is just a raw array of the bytes that you'd read from a
physical disk with the same contents.
Cheers,
Mark
On Wednesday 26 March 2008, Lil Evil wrote:
> Hi,
>
> I was wondering weather xens virtual disk images does implement a cluster
> (request) based checksum like physical hard drives do? Or does xen rely on
> the underlying subsystem (host file/disk system) to carry out this task?
>
> -lil-
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2008-03-26 14:01 virtual disk image checksum Lil Evil
2008-04-13 16:02 ` Mark Williamson
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