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Very slow restore with flashbackup image

chandler74
Level 2
Partner Accredited

My customer envirnment is

 

Netbackup Version : 7.5.0.6

Master Server OS : Solaris 10

 

However if they would restore with flashbackup, slow or failed.

So I saw bprd log that 1GB is handling during 1 hour

Did you see this situation?

1 ACCEPTED SOLUTION

Accepted Solutions

SaurabhHeda
Level 4
Employee Accredited

Hi,

Are you restoring Individual directories/files or Raw Partition?

See the below technote:

Slow Performance on restores of individual files from a FlashBackup

http://www.symantec.com/business/support/index?page=content&id=TECH67891

Regards,

Saurabh

View solution in original post

5 REPLIES 5

SaurabhHeda
Level 4
Employee Accredited

Hi,

Are you restoring Individual directories/files or Raw Partition?

See the below technote:

Slow Performance on restores of individual files from a FlashBackup

http://www.symantec.com/business/support/index?page=content&id=TECH67891

Regards,

Saurabh

SymTerry
Level 6
Employee Accredited

Also please provide the detailed status of the failed job. Status 13?

Ron_Cohn
Level 6

A *major* reason for slow performance is disk fragmentation.  Flashbackup crawls the disk sector by sector.

I have seen long running restores from a highly fragmented disk  - it has to bounce all over the place to restore just 001 file.  Just set the view window to verbose and watch how bad things can be...
 

chandler74
Level 2
Partner Accredited

Thanks for your reply.

 

However I didn't listen that restoring raw partition with flashbackup.

And we try to restore Individual directories/files.

chandler74
Level 2
Partner Accredited

Thanks for your reply

 

I saw bprd log and found "status 42"