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xen-devel
Re: [Xen-devel] Shouldn't backend devices for VMX domain disks be opened
On Thu, 2 Feb 2006, Anthony Liguori wrote:
> Referring to the original question, which has been quoted away,
> journaling doesn't require that data be written to disk per-say but that
> writes occur in a particular order. A journal is always recoverable
> given that writes occur in the expected order.
If I do a database transaction or accept an email (SMTP transaction),
I need to ensure that the data really did make it to disk.
There is a reason that the email RFCs explicitly state that the email
has to be committed to stable storage before returning the "250 Ok"!
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