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NDMP backup fails with status 96

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Please any one help me on NDMP backup failure with "unable to allocate new media for backup, storage unit has none available  (96)".

As i cross checked the volume pool there are lot of media's available. But backups are failing i could in see in job details below are i found it. can any one help me on these.

Jun 29, 2020 6:19:15 AM - Error bptm (pid=13320) cannot open ndmp device c45t0l0, error code 7 (NDMP_IO_ERR)
Jun 29, 2020 6:19:15 AM - granted resource  6510L6
Jun 29, 2020 6:19:15 AM - granted resource  HPULTRIUM6-TLD0-Drive4
Jun 29, 2020 6:19:15 AM - granted resource  sccvpblrnmi01-hcart3-robot-tld-0-sccvpblrufs100
Jun 29, 2020 6:19:15 AM - end writing
Jun 29, 2020 6:19:15 AM - mounting 6510L6
Jun 29, 2020 6:43:11 AM - Error bptm (pid=13320) error requesting media, TpErrno = Robot operation failed
Jun 29, 2020 6:43:11 AM - Error bptm (pid=13320) cannot open ndmp device c45t0l0, error code 7 (NDMP_IO_ERR)
Jun 29, 2020 6:43:11 AM - Warning bptm (pid=13320) media id 6510L6 load operation reported an error
Jun 29, 2020 6:43:11 AM - current media 6510L6 complete, requesting next media Any
Jun 29, 2020 6:49:56 AM - Info bptm (pid=13320) Waiting for mount of media id 6510L6 (copy 1) on server sccvpblrnmi01.xx.xxx.com.
Jun 29, 2020 6:49:56 AM - Error bptm (pid=13320) cannot open ndmp device c44t0l0, error code 7 (NDMP_IO_ERR)

3 Replies
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Re: NDMP backup fails with status 96

@Jyothi3 

It seems that there is rather a problem at device-level with tape drives on your NDMP server.

cannot open ndmp device c45t0l0

cannot open ndmp device c44t0l0

Please ask the NDMP Appliance admin to check system logs. 

From the NBU media server that is configured as NDMP media server, please check connectivity and devices with these commands: 

tpautoconf -verify ndmp_host_name
to verify connectivity

To verify devices:
tpautoconf -probe ndmp_host_name

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Re: NDMP backup fails with status 96

Thanks for your reply!

kindly let us know what we need to ask NDMP Appliance admin check in system log's.

I could see when i retrigger that failed NDMP backup job automatically tape drivers are went to down state. hence i check and up the tape drives also but again backups are failing.

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Re: NDMP backup fails with status 96

Show the device error messages to the admin. 
There should be tape device errors in system logs roundabout the time that the backups fail. 

Have you tried to run the commands to check for connectivity and devices on ndmp host?