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Re: [Xen-users] How (not) to destroy a PostgreSQL db in domU on powerfa
| To: | Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] How (not) to destroy a PostgreSQL db in domU on powerfail |
| From: | "Fajar A. Nugraha" <fajar@xxxxxxxxx> |
| Date: | Tue, 24 Feb 2009 16:37:42 +0700 |
| Cc: | xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 24 Feb 2009 01:38:20 -0800 |
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On Tue, Feb 24, 2009 at 4:20 PM, Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx> wrote: > * Linux host (dom0) with XEN, XFS filesystem with "nobarrier", RAID > controller with battery backed cache. > * XEN vm (domU) with XFS filesystem with "nobarrier" with postgresql > * my daughter with 3.5 years switching off the power supply of the > server, just behind the UPS > > Is there a way to secure domU's in a way they survive a powerfail? Are you using file-backed domU, with file:/ in domU config? If yes, this is a known problem, and you can try: - changing file:/ to tap:aio:/ , or - use block-device-backed storage (e.g. LVM, partition, etc.) Regards, Fajar _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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