Need help from RHEL command line while managing MSL6480 tape library

oElixon — Wed, 24 Jun 2020 11:38:15 GMT

Fist of all, I typed the following command to check if my tape library device was properly installed:

user@es:/dev$ cat /proc/scsi/scsi
Attached devices:
Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: Micron_1300_MTFD Rev: U010
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: Micron_1300_MTFD Rev: U010
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi0 Channel: 02 Id: 00 Lun: 00
Vendor: AVAGO Model: MR9361-16i Rev: 4.74
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi11 Channel: 00 Id: 00 Lun: 00
Vendor: HPE Model: Ultrium 8-SCSI Rev: JAYF
Type: Sequential-Access ANSI SCSI revision: 06
Host: scsi12 Channel: 00 Id: 00 Lun: 00
Vendor: HPE Model: Ultrium 8-SCSI Rev: JAYF
Type: Sequential-Access ANSI SCSI revision: 06
Host: scsi12 Channel: 00 Id: 00 Lun: 01
Vendor: HP Model: MSL6480 Rev: 5.60
Type: Medium Changer ANSI SCSI revision: 05

then I used mt command to show my tape library's status

user@es:/dev$ sudo mt -f /dev/st0 status
SCSI 2 tape drive:
File number=-1, block number=-1, partition=0.
Tape block size 0 bytes. Density code 0x0 (default).
Soft error count since last status=0
General status bits on (50000):
DR_OPEN IM_REP_EN
user@es:/dev$ sudo mt -f /dev/st1 status
SCSI 2 tape drive:
File number=-1, block number=-1, partition=0.
Tape block size 0 bytes. Density code 0x0 (default).
Soft error count since last status=0
General status bits on (50000):
DR_OPEN IM_REP_EN

then I used the following command to check if I can manage my MSL6480

user@es:/dev$ sudo mt -f /dev/st0 load
/dev/st0: Input/output error

So my question is:

Can the "mt" command in the Linux really fully manage my MSL6480?

If not, would you kindly give me a hint about how to manage my MSL6480 in command line?

Or, any APIs I can use to write a script or a program to manage my MSL6480?

Thank you!

Re: Need help from RHEL command line while managing MSL6480 tape library

Mahesh202 — Mon, 29 Jun 2020 05:00:11 GMT

Hi oElixon

Thank you for coming on HPE Community Forums.

I would suggest you to use manual pages for MT command to manage the library and ensure a supported driver is being used.
MT command is supported in Linux/UX
Check the DAPR compatibility matrix section, use the link mentioned below.

https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=c05379809

Hope this helps.!!

Regards
Mahesh202

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Need help from RHEL command line while managing MSL6480 tape library

Re: Need help from RHEL command line while managing MSL6480 tape library