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[Xen-devel] Re: slow storage backend kills stubdomains

On Mon, 28 Sep 2009, Keith Coleman wrote:
> After deploying stubdomains in a production environment with xen 3.4.1
> and the official 2.6.18-xen kernel I've had a lot of crashes. Each
> server hosts several PV and HVM domUs. Whenever the storage backend
> gets slow (RAID rebuild, domU with heavy disk IO, etc) the stubdomains
> begin dying off. I have two questions:
> 1. Has anyone else seen this issue?
> 2. fs-backend is still running so is there any way to attach a new
> stubdom to the existing (orphaned) HVM domU?

Could you please let me know how can I reproduce this problem in the
simplest possible way (for example with just 1  linux HVM guest)?
Also some logs of the crash would be useful.

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