Hi All,

we really need some good ideas:
We have Networker Server 5.3.3 Build 267 on Solaris 8, Tape Library is
Exabyte 220 with 2 Mammoth2-drives on a storage node.

We are getting errors when trying to mount a tape which most of the time
results in Networker hanging in the state of mounting. Exabyte Mammothtool
writes and reads the tapes with no error on both drives.
The errors seem to be related to the scsi bus as I can see from messages-
file:

scsi: [ID 107833 kern.warning]
WARNING: /iommu@0,10000000/sbus@0,10001000/espdma@5,8400000/esp@5,8800000/st
@5,0 (st5):
       Error for Command: read                    Error Level: Fatal
scsi: [ID 107833 kern.notice]  Requested Block: 0
Error Block: 0
scsi: [ID 107833 kern.notice]  Vendor: EXABYTE
Serial Number: 8E002106
scsi: [ID 107833 kern.notice]  Sense Key: No Additional Sense
scsi: [ID 107833 kern.notice]  ASC: 0x0 (no additional sense info), ASCQ:
0x0, FRU: 0x0
scsi: [ID 107833 kern.notice]  Incorrect Length Indicator Set

We also have:

scsi: [ID 365881 kern.info] fas:       3.0: cdb=[ 0x8 0x2 0x0 0x2 0x0 0x0 ]
scsi: [ID 107833 kern.warning] WARNING: /sbus@1f,0/SUNW,fas@e,8800000
(fas0):
       Disconnected command timeout for Target 3.0


We suspected there is some problem with the tape library, but Exabyte
support tested the library and drives and says ok; then we suspected the
storage node; we replaced the storage node and the problems persist; we
suspected the tapes being damaged and replaced them all - nothing.

Does anyone have an idea if Networker itsself could be responsible for such
kind of problems and how to test that?
Any ideas very appreciated!

Thanks,
Ingo

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