[dm-devel] device mapper configurations

[Domenico Viggiani]

> -----Original Message-----
> From: dm-devel-bounces at redhat.com 
> [mailto:dm-devel-bounces at redhat.com] On Behalf Of Jimmy Stewpot
> Sent: Wednesday, January 02, 2008 3:21 PM
> ...
> When the system boots I get loads of errors that look like this
> 
> [  217.140126] end_request: I/O error, dev sdb, sector 0 [  
> ...
> 
> When the servers boot up. The items being reported are the 
> underlying scsi devices which we have setup above. Is it 
> normal to get these messages or do I need to explicitly place 
> the underlying devices into the blacklist?

You have an active-passive array (like my EMC Clariion) and these messages
are normal even if annoying. It's not much "professional".
With Clariion, as far as I know, the only solution is upgrading Flare to
ver. 26 that simulates active-active behaviour.

--
Domenico Viggiani