Quantum LTO-8 HH SAS, Technical Reference Manual

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Chapter 6: Troubleshooting
Procedure 3: Checking SAS Host Connections
QuantumLTO-7 HH SAS User’s Guide 87
Note: If a cartridge is dropped and appears to externally be
undamaged, there may still be internal damage that will not
become obvious until an attempt is made to write or read data
to/from the tape. If a tape is dropped, it is very likely the media
inside the cartridge will have resultant edge damage that will
cause later write/read problems. Keep close records of any
dropped media and if write read problems are seen in later use,
remove the media from use and dispose of it.
Note: If your cartridge does not eject properly, contact your service
representative.
Procedure 3: Checking SAS Host Connections
Check the host connections for your drive by following the steps below.
If your server is not communicating with the SAS drive, the problem
may be with the SAS cable, the SAS host adapter or the SAS host
adapter setup.
1 Check if the tape drive power is on.
2 Verify the SAS cable is connected properly to the server and to the
tape drive.
3 Check whether the parameters for the SAS host adapter installation
are correct.
4 Verify the SAS host adapter is supported by the tape drive.
5 Ensure there is a point-to-point connectivity between the server and
the tape drive. SAS connectivity does not support multiple drive
connections (daisy-chaining of devices).
6 Check the length of the SAS cable. It can not exceed 5.5m (18 ft).