netvault server running 8.6.1
SnapMirror to Tape plugin version 7.6.103
NetApp Ontap version 7.3.6
In documentation “snapmirror to tape user guide” we see the following:
Configure Media Block Size for Target Drives – The Plug-in for SM2T v7.2.101 and later releases use a block size of 256K, whereas the pre 7.2.101 releases use 240K.
VTL Drives configured to use 256K block size in netvault and backups worked but restore of the backup fails with “Position Block invalid request - past end of segment” can be seen in the subtext of the failure.
Extract from binary log:
Job Message 2012/05/18 16:41:42 41 Data Plugin SRV NDMP SnapMirror to Tape 7.6.103 Restore
Job Message 2012/05/18 16:41:44 41 Data Plugin SRV Connected to NDMP Server, Vendor 'Network Appliance', Product 'Network Appliance NDMP server FAS2020', Revision '4.0'
Job Message 2012/05/18 16:41:44 41 Data Plugin SRV Host 'demo3', ID '0142252780', OS 'NetApp', Version 'NetApp Release 7.3.6'
Job Message 2012/05/18 16:41:44 41 Data Plugin SRV NDMP SnapMirror to Tape 7.6.103 Restore
Error 2012/05/18 16:41:45 41 Media SRV SRV m:\marditsa3\drives\2: had channel error
Binary log sub text of error:
EVMGR :03060 226 0 154145 Segment Position 1
MEDREAD :03060 163 0 154145 Got into READ_CONNECT state
DEVMOVER:03060 756 0 154145 New Listen zero Last Length
DEVMOVER:03060 744 0 154145 1 extension items
DEVDISK :03060 43 0 154145 Get Position
DEVMOVER:03060 629 0 154145 At block 0
DEVMOVER:03060 630 0 154145 Start is not at begining of segment
DEVMOVER:03060 631 0 15414
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