Could you please include the client and server OS platform and level?
Thanks.

On Fri, May 22, 2009 at 7:37 AM, Matthew Large <
mlargedellteam AT googlemail DOT com> wrote:

> Hi,
>
> I'm unable to ascertain the cause of this backup failure - the Oracle
> errors
> point to a disk problem, but then 'inappropriate ioctl for device' looks
> like there is a problem with the destination device, not the source.
>
> Starting backup at 22-may-2009 14:44:34
> current log archived
> allocated channel: ORA_SBT_TAPE_1
> channel ORA_SBT_TAPE_1: sid=139 devtype=SBT_TAPE
> channel ORA_SBT_TAPE_1: Data Protection for Oracle: version 5.4.1.0
> RMAN-00571: ===========================================================
> RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
> RMAN-00571: ===========================================================
> RMAN-03002: failure of backup command at 05/22/2009 14:45:08
> ORA-19587: error occurred reading 512 bytes at block number 1
> ORA-27091: unable to queue I/O
> ORA-27072: File I/O error
> SVR4 Error: 25: Inappropriate ioctl for device
> Additional information: 4
> Additional information: 1
>
> Recovery Manager complete.
> + STATUS=1
>
> STATUS=1
> Fri May 22 14:45:08 BST 2009: Backup failed
> Fri May 22 14:45:08 BST 2009: Finished
> swisp012#
>
>
> Any help wholly appreciated!
>
> Cheers,
> Matthew
>