After removing library from NetVault or if adding library for the first time using NetVault add library option, the tape library or drive are not seen in the NetVault add library GUI.
Checked the hardware by selecting the apple Icon (apple menu Bar), then about this Mac, then more info. In here under hardware select BUS device is attached to. If we see the library and drive here we know the operating system is recognising the library and drive. In this case the library and drive are recognised.
Enabled trace and tried to attach library hand drive. Diagnosing the trace we see “Failed to obtain plugin interface” While trying to scan the SCSI bus in the nvchmgrxxx.log trace file as seen below. This means that we have sent inquiry command to the device but not received a valid response from the device i.e. library or drive.
Extract From trace showing SCSI bus scan:
2 CAMDARWN ??? 80727 134 0 134657376426 Physical Interconnect Type: SCSI Parallel Interface
2 CAMDARWN ??? 80727 123 0 134657376441 Get parallel SCSI name from serial number
2 CAMDARWN ??? 80727 93 0 134657376449 Trying to get name from SCSI serial number
0 CAMDARWN ??? 80727 100 0 134657377042 Failed to obtain plugin interface
0 CAMDARWN ??? 80727 147 0 134657377057 IOReturn Error code (0xE00002BE)
0 CAMDARWN ??? 80727 149 0 134657377065 IOKit common error 702(0x2BE)
0 CAMDARWN ??? 80727 125 0 134657377074 Failed to get serial number, will fall back to BTL
2 CAMDARWN ??? 80727 126 0 134657377082 Attempting to name via BTL
2 CAMDARWN ??? 80727 35 0 134657377100 DOMAIN = 4
2 CAMDARWN ??? 80727 36 0 134657377110 TARGET = 1
2 CAMDARWN ??? 80727 37 0 134657377119 LUN = 1
2 CAMDARWN ??? 80727 38 0 134657377133 Device string 'SCSI-4-1-1'
2 CAMDARWN ??? 80727 46 0 134657377237 ScsiOpenInternal (BEGIN)
2 CA
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