too many data blocks written, check tape/driver block size configuration.

[Dilip_kumar1]

Hi All,

Getting below error.

Too many data blocks written, check tape/driver block size configuration.

07/15/2014 20:30:00 - requesting resource I2K-Salle_A_LTO4

07/15/2014 20:30:00 - requesting resource KROBKUP.NBU_CLIENT.MAXJOBS.FRSW0109
07/15/2014 20:30:00 - requesting resource KROBKUP.NBU_POLICY.MAXJOBS.NBU-WINDOWS_SalleA_ALD_C1
07/15/2014 20:30:02 - granted resource  KROBKUP.NBU_CLIENT.MAXJOBS.FRSW0109
07/15/2014 20:30:02 - granted resource  KROBKUP.NBU_POLICY.MAXJOBS.NBU-WINDOWS_SalleA_ALD_C1
07/15/2014 20:30:02 - granted resource  400242
07/15/2014 20:30:02 - granted resource  Salle-A_I2K_LTO4-2
07/15/2014 20:30:02 - granted resource  I2K-Salle_A_LTO4
07/15/2014 20:30:12 - estimated 243565671 kbytes needed
07/15/2014 20:30:13 - started process bpbrm (pid=1032356)
07/15/2014 20:30:22 - connecting
07/15/2014 20:30:22 - mounting 400242
07/15/2014 20:30:23 - connected; connect time: 0:00:00
07/15/2014 20:31:57 - mounted 400242; mount time: 0:01:35
07/15/2014 20:31:58 - positioning 400242 to file 25
07/15/2014 20:33:50 - positioned 400242; position time: 0:01:52
07/15/2014 20:33:50 - begin writing
07/15/2014 21:11:49 - Error bptm (pid=1040568) FREEZING media id 400242, too many data blocks written, check tape/driver block size configuration
07/15/2014 21:11:49 - Critical bpbrm (pid=1163450) from client FRSW0109: FTL - socket write failed
07/15/2014 21:11:52 - end writing; write time: 0:38:02
media write error (84)

NBU Version -- 6.5.4

[Yasuhisa_Ishika]

This error came from difference of tape position info that NetBackup expected from writing data size and NetBackup got from tape drive.

It is hard to point out what's wrong. It may caused by tape drive error, firmware defect, bug in OS or  NetBackup. Check OS log if any relevant message is logged. Also consoder to upgrade NetBackup to 7.x. NetBackup 6.5 is EOSL version.

[SaurabhHeda]

Hi Dilip

You can see more information in bptm logs and as yes this error can be caused because of Defective media, wrong media type,Incorrect drive configuration. You can verify the drive configuration again.

Check this tech note:

http://www.symantec.com/business/support/index?page=content&pmv=print&impressions=&viewlocale=&id=HOWTO50859

Also as Yasuhisa pointed that 6.x is already EOSL version. Please try and upgrade NetBackup as soon as possible.

NetBackup Product Group End of Support Life matrix

http://www.symantec.com/business/support/index?page=content&id=TECH74757