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Old 01-08-2010, 02:10 AM   #1
simransab
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Registered: Sep 2009
Posts: 23

Rep: Reputation: 15
Restore from Tape: /bin/tar: /dev/rmt/0bn: Cannot read: Cannot allocate memory


Hi All,

i'm having a problem here, where i cannot restore certain file from tape. This is the first time i'm using tape backup in linux.

Successful file restore with tar command:
--------------------
emlxmba[mb]% /bin/mt -f /dev/rmt/0bn rewind
emlxmba[mb]% /bin/mt -f /dev/rmt/0bn asf 2
emlxmba[mb]% /bin/tar xvf /dev/rmt/0bn
raw_flex_ft_db1327.1

Failed fail restoration with tar command:
-----------------------------------------
emlxmba[mb]% /bin/mt -f /dev/rmt/0bn rewind
emlxmba[mb]% /bin/mt -f /dev/rmt/0bn asf 1
emlxmba[mb]% /bin/tar xvf /dev/rmt/0bn
/bin/tar: /dev/rmt/0bn: Cannot read: Cannot allocate memory
/bin/tar: At beginning of tape, quitting now
/bin/tar: Error is not recoverable: exiting now

Certain file id (2,4,6,7,8,9..) able to restore successfully.
Certain file is (1,3,5,10..) not able to restore with above error.

I try search in the net, it says may due to block size different.
I dont understand the concept and tried the command to determine/fix block size but failed.

Anyone can help here?

Thanks,
Sabrina
 
Old 01-09-2010, 07:03 PM   #2
ginda
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Registered: Mar 2004
Distribution: SUSE8.2, 9.2, Knoppix
Posts: 323

Rep: Reputation: 31
What does "mt -f /dev/rmt/0bn status" show?
 
  


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