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9.1

CA Arcserve Backup R12 SP2 - Scanning Tapes Problem

Asked by ServerManagementTeam in Backup & Restore Software, Removable Backup Media

Tags: Arcserve R12 SP2, Scan Tape

Hi Everyone,

We have CA Arcserve Backup R12 SP2 running in our environment. We have recently implemented Disk to Disk to Tape backups in the last 6 months (Backs up to SAN Storage Area first, then offloads to tape, leaving a history of backups for a number of days for quick restores). During the implementation of D2D2T, we also upgraded to R12 SP1, from R11.5 SP3 and since then have applied R12 SP2.

We are running this on a Windows 2003 SP2 OS, with all the latest MS security fixes up till the end of September. We have a HP Tape Library with 24 Slots, with LTO2 tapes (Hardware Compression 200GB-400GB - No Software Compression)

I am trying to run a restore of some data for a user from some monthly tapes from December last year (2008) and am running into some trouble. I am trying to run a scan on the tapes and getting the following error message around 5-8 minutes into the scan:

***********************************************************************************************
Elapsed Time................. 9m 13s
Total Error(s)/Warning(s).... 1/0
Scan Media Operation Failed.
[ERRORS & WARNINGS]
16/10/2009 1:50:18 PM E3841 Unable to find session number. (MEDIA=V1M010, SESSION=3, EC=UNRECOVERABLE DATA ERROR)
16/10/2009 1:51:14 PM E8005 Marking Slot[12] Off-Line after media failure. Slot[12][SN:] in Library[3][SN:DEC06341HD]
***********************************************************************************************
I have tried 3 different sets of tapes and also different slots in the library (Just in case) all resulting in the same error.

Anyone got any ideas why this has failed on 3 sets of tapes with all the same errors?

I am thinking that R12 SP2 is failing to restore data from the R11.5 SP3-Written tapes... But surely Arcserve is backwards compatible with tapes from the directly previous version....

Any help would be greatly appreciated.

Regards
Stefano
 
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Zones: Backup & Restore Software, Removable Backup Media
Tags: Arcserve R12 SP2, Scan Tape
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Solution Provided By: dovidmichel
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Solution Grade: A
 
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