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AIX
Replacing tape drive in RS/6000 7025 F40 running AIX 4.2.1?
Post 302144363 by phaedrus on Wednesday 7th of November 2007 05:46:49 PM
11-07-2007
Replacing tape drive in RS/6000 7025 F40 running AIX 4.2.1?
I've just landed in a situation where an old IBM RS/6000 7025 F40 running AIX 4.2.1 has had it's tape drive fail. The tape drive in question is an HP C1533A 4mm 4GB/8GB DAT drive. It repeatedly gets write failures, and my trusty techique of whacking the cleaning tape in hasn't worked. Unfortunately the only person that knew anything about the server is long gone, and as I was the first person to admit to having used *nix (and being the new guy) it has fallen to me to try and find a solution.
I can't find anywhere in New Zealand that can supply me an exact replacement of the tape drive unit but I can source a Sony SDT-5010, which by spec appears to be very similar to the HP device currently installed. My question is basically can I just replace the HP C1533A with a Sony SDT-5010?
1. Is there a reason why the Sony SDT-5010 just wouldn't work in my environment?
2. Are there drivers/files I would need to change to have the new tape drive recognised?
I am a novice with AIX and only have user (rather than server admin) experience with recent Linux distros that do a very good job of 'just working' with most of my hardware at home, so feel free to assume I don't even know the simplest things about AIX. I'm more than happy to provide any further info that might help show how big a problem I'm creating for myself
I can't find anywhere in New Zealand that can supply me an exact replacement of the tape drive unit but I can source a Sony SDT-5010, which by spec appears to be very similar to the HP device currently installed. My question is basically can I just replace the HP C1533A with a Sony SDT-5010?
1. Is there a reason why the Sony SDT-5010 just wouldn't work in my environment?
2. Are there drivers/files I would need to change to have the new tape drive recognised?
I am a novice with AIX and only have user (rather than server admin) experience with recent Linux distros that do a very good job of 'just working' with most of my hardware at home, so feel free to assume I don't even know the simplest things about AIX. I'm more than happy to provide any further info that might help show how big a problem I'm creating for myself
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LEARN ABOUT CENTOS
tapeinfo
TAPEINFO(1) General Commands Manual TAPEINFO(1) NAME
tapeinfo - report SCSI tape device info SYNOPSIS
tapeinfo -f <scsi-generic-device> DESCRIPTION
The tapeinfo command reads various information from SCSI tape drives that is not generally available via most vendors' tape drivers. It issues raw commands directly to the tape drive, using either the operating system's SCSI generic device ( e.g. /dev/sg0 on Linux, /dev/pass0 on FreeBSD) or the raw SCSI I/O ioctl on a tape device on some operating systems. One good time to use 'tapeinfo' is immediately after a tape i/o operation has failed. On tape drives that support HP's 'tapealert' API, 'tapeinfo' will report a more exact description of what went wrong. Do be aware that 'tapeinfo' is not a substitute for your operating system's own 'mt' or similar tape driver control program. It is intended to supplement, not replace, programs like 'mt' that access your operating system's tape driver in order to report or set information. OPTIONS
The first argument, given following -f , is the SCSI generic device corresponding to your tape drive. Consult your operating system's doc- umentation for more information (for example, under Linux these are generally start at /dev/sg0 under FreeBSD these start at /dev/pass0). Under FreeBSD, 'camcontrol devlist' will tell you what SCSI devices you have, along with which 'pass' device controls them. Under Linux, "cat /proc/scsi/scsi" will tell you what SCSI devices you have. BUGS AND LIMITATIONS
This program has only been tested on Linux with a limited number of tape drives (HP DDS4, Seagate AIT). AVAILABILITY
tapeinfo is currently being maintained by Robert Nelson <robertnelson@users.sourceforge.net> as part of the 'mtx' suite of programs. The 'mtx' home page is http://mtx.sourceforge.net and the actual code is currently available there and via SVN from http://source- forge.net/projects/mtx. SEE ALSO
mt(1),mtx(1),scsitape(1),scsieject(1),loaderinfo(1) TAPEINFO1.0 TAPEINFO(1)