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- From: logier@cheops.qld.tne.oz.au (Rob Logie)
- Subject: Installing SCSI Exabyte 8500
- Message-ID: <1992Aug24.005805.6351@cheops.qld.tne.oz.au>
- Summary: How do you install SCSI Exabyte 8500's on MIS server
- Keywords: SCSI Exabytes
- Organization: Telecom Australia, TNE Computer Support Services
- Date: Mon, 24 Aug 1992 00:58:05 GMT
- Lines: 70
-
- We have a MIS 4/4 with a SCSI interface. We are trying to install a Exabyte
- 8500 to it (Using the single ended interface !). The machine is running 5.1a
- 92a030 (Osx).
-
- When the machine boots, it won't see any devices at SCSI ID 0 but will see
- any other SCSI ID's. But when it sees the device (Exabyte 8500) it
- identifies it as a "Unknown SCSI disk, with unknown partitions" (And some
- other garbage as well). For example a tape with SCSI 1 is recognised
- as sdisk09a.
-
- Why is it identifing the device as a disk and not a generic tape ??. What
- should the entry in the iost_conf.c be. I know there is one for a generic
- 8500 drive. Why is this not working.
-
- The following is some of the ios_conf.c defining a Exabyte 8500:
-
- /* Exabyte EXB-8500 */
- {
- (STPF_VARIMODE | /* Device Characteristic Flags */
- STPF_LONGERASE |
- STPF_MEDIALOCK |
- STPF_NOINIT |
- STPF_SOFTRETRY),
- &Exabyte8500_dmsp, /* Default Mode Select Params */
- 30, /* Fast Timeout Time (secs) */
- 45*60, /* Slow Timeout Time (secs) */
- 12, /* Additional Sense Key Byte addr */
- 13, /* Extended Add'l Sense Key addr */
- 16, /* Extended Sense Byte count */
- 13, /* Extended Sense start byte address */
- &stiExabyte8500tab, /* Additional Sense Error Table */
- 0x14, /* Low Density Speed Code */
- 0, /* High Density Speed Code */
- 2, /* EOT Filemarks */
- 0, /* EOT Unload Code (0 = unsupported) */
- 0, /* WFM immed code */
- 0, /* WFM immed byte address */
- 0, /* Auto Retension Code */
- 0, /* Auto Retension Code byte address */
- 0, /** Save mode select param page code */
- 0, /* Save mode select param page addr */
- 20*12, /* SCSI Busy status retry count */
- 5, /* Busy retry inteval time (secs) */
- 0, /* Spares */
- 0,
- 0,
- 0,
- 0, /* Maximum Retry count */
- EXABYTE8500, /* Tape Type Index */
- "Exabyte EXB-8500 8mm Hel", /*"EXABYTE EXB-8500-85Qanx0",*/ /* I nquiry Name, bytes 8 to 31 */
- }
-
-
-
- The exabyte drives have been in use on a SUN workstation for several
- months so I know they are working fine.
-
-
-
-
-
- Thanks in advance
-
-
-
- --
- Rob Logie | The opions expressed are mine alone and in
- AOTC ( A.C.N. 051 775 556 ) | no-way reflect the views or policies of the
- TNE Computer Support Services | Australian and Overseas Telecommunications
- EMAIL: logier@cheops.qld.tne.oz.au| Corporation. "These are my opinions alone"
-