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DPM Server 2012 Failing on tapes

Posted on 2014-12-02
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Last Modified: 2014-12-19
Hi,

I have installed a HP LTO Ultruim-4 Drive as an standard alone drive. I have Two protection groups backing up to disk and tape. The disk part of DPM is a dream. The tape side keeping getting errors,  on a Sunday morning we backup to tape

First Error : Failed to perform the operation since the tape is not available in a standard alone tape library Hewlett LTO ultruim-4 Drive(ID-24050)

Second Error: Failed to perform the operation since the free tape is not available in a standard alone tape library Hewlett LTO ultruim-4 Drive(ID-24050)

I have 4 tapes - Week 1 - Week 2 - Week 3 - Week4


Do we have a problem with the tape drive? Is like the back
up is not finishing  from the previous week

regards,
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Question by:jwc1972
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Author Comment

by:jwc1972
ID: 40475585
Looking through Google,


Is  this correct on the protection group, Changing the tape every Sunday - Backup 1 weeks - Retention 4 Weeks - number of backups 1



On recovery 2 Backup up every 1 Months - Retention range 12 months - number of copy 1
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Accepted Solution

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VB ITS earned 500 total points
ID: 40475880
Did you inventory the tape when you inserted it into the tape drive and also marked it as free?

As for your above question, those recovery goals look fine but it depends on the total amount of tapes you have. If you only have four tapes then recovery goal 2 won't work for you as it will perform a monthly backup on the nominated day and then set the retention period of the backup to 1 year. I would have twelve tapes (one for each month) dedicated for monthly backups.
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Author Comment

by:jwc1972
ID: 40476131
Nope

When I try to mark the tape as free, I get you need to stop the protection first. I did not want to lsoe any data, is that correct?

I was waiting  to get this working before I purchased another 12 Tapes
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Expert Comment

by:VB ITS
ID: 40477278
I've seen this error before in DPM 2007 where the tape gets full so DPM was then waiting for another tape to be inserted so it could finish the tape backup job. Try a manual tape backup during the day and see if the tape pops out during the backup job.
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