Re: xbd IO domain 2: error 5 (Xen2, NetBSD 3.0)

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Thu, Oct 05, 2006 at 09:33:42PM +0200, Johan Ihren wrote:
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> Hi all,
> 
> I've been running a box as a xen server in strict production with no  
> software changes in the past 6 months (last change was an xen-related  
> ARP-fix that went in sometime in March). Everything is running fine.
> 
> A week ago I had to replace the system disk (needed a larger disk, no  
> physical problems with the old one). I populated the new disk via  
> dump/restore, installed boot blocks, GRUB cruft and all that. Machine  
> runs just fine with new disk and everything is back to normal. Except  
> for one thing: I now see a sprinkling of
> 
>       "xbd IO domain 2: error 5"
> 
> in the logs and on the console. Never saw that before. It is always  
> "domain 2" (which is started at boot) and always "error 5" (which I  
> assume is "IO error" a la errno.h). I haven't noticed any real  
> problems, though, everything *seems* to still work fine.
> 
> But I sure would like to know what the problem is (especially if this  
> signals a REAL problem somewhere) and why it arrived in combination  
> with the disk replacement. Any ideas?

Is it a physical partition or a vnd ?
If it's a physical partition make sure you didn't make it too short.
If it's a vnd, make sure you can read the whole file, and that it didn't
get truncated.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
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