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Re: [Xen-devel] [PATCH] Recover from corrupt tdb on reboot
| To: | Markus Armbruster <armbru@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] [PATCH] Recover from corrupt tdb on reboot |
| From: | John Levon <levon@xxxxxxxxxxxxxxxxx> |
| Date: | Mon, 5 Nov 2007 19:43:19 +0000 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Mon, 05 Nov 2007 11:44:06 -0800 |
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On Mon, Nov 05, 2007 at 06:36:19PM +0100, Markus Armbruster wrote: > Xen cannot work when xenstored's tdb is corrupt. When that happens > somehow (and we've seen it happen), even reboot doesn't recover from > it. It could: there is no state in tdb that needs to be persisted > across reboots. We're putting the tdb in a tmpfs (in the short-term), is there a reason you can't do that too? Especially as it's way faster. > The appended patch arranges that tdb is removed before xenstored is > started, provided it doesn't already run. This is safe, because: > > * xenstored cannot be restarted. If it dies, Xen's screwed until > reboot. That will hopefully not always be the case. At that point we'll need a different solution (tmpfs or not). regards john _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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