Re: [Xen-users] How (not) to destroy a PostgreSQL db in domU on powerfail

[Javier Guerra <javier@xxxxxxxxxxx>]

On Wed, Mar 4, 2009 at 11:35 AM, Michael Monnerie
<michael.monnerie@xxxxxxxxxxxxxxxxxxx> wrote:

> I wonder why there's no documentation about this problem. There are
> people using XEN in production machines - are they not scared by the
> actual behaviour? Even if I have UPSes and whatever, a crash can always
> occur. I have a customer who wants to use XEN to replace 10 small
> servers by a single one, but currently I'm reluctant to recommend XEN
> because I worry about the data. Imagine you have 10 servers not coming
> up after a problem - it could take hours to get every single server up
> and running again.

it certainly warrants more investigation.  but i guess very few
production machines are using imagefiles on top of XFS.  the common
scenarios are either block devices or imagefiles on top of
OCFS/NFS/ext3

-- 
Javier

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