Replacing tape drive in RS/6000 7025 F40 running AIX 4.2.1? Post: 302144935

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Operating Systems AIX Replacing tape drive in RS/6000 7025 F40 running AIX 4.2.1? Post 302144935 by bakunin on Monday 12th of November 2007 02:43:25 AM

11-12-2007

Registered User

The tape drive in a RS/6000 is a simple SCSI-drive. In principle you could use anything which has a SCSI connector. Here is a sketch of how to replace it:

*) First get the "location code" of the tape, because it contains the SCSI-ID. Your output will be similar to the example here:

Code:

# lscfg | grep rmt
+ rmt0            40-60-00-4,0      IBM 3580 Tape Drive

That means: The device is connected to the SCSI-Adapter located at 40-60-00 (this is a specific slot in your machine, it would be a longer article to explain *that* to you) and the SCSI-ID it is using is 4 (-4,0).

*) Second, configure your replacement drive to use this SCSI-ID and connect it to the host adapter. DO THIS ONLY when the machine is switched off and the power connector is plugged out ("off" isn't really off with these machines, like with TV sets with remote controls). If you use the external SCSI-Connector you do not have to unplug the machine of course.

*) switch on the F40. Since you will probably not use an original IBM replacement part the tape drive will be named "other tape drive":

Code:

# lscfg | grep rmt
+ rmt0            40-60-00-4,0      Other Tape Drive

This would mean you are done. If you can't see an output similar to this issue "cfgmgr -v" and watch the output for error messages. Report them back here.

bakunin

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LEARN ABOUT OPENSOLARIS

tcopy

tcopy(1)							   User Commands							  tcopy(1)

NAME

       tcopy - copy a magnetic tape

SYNOPSIS

       tcopy source [destination]

DESCRIPTION

       The  tcopy  utility copies the magnetic tape mounted on the tape drive specified by the source argument. The only assumption made about the
       contents of a tape is that there are two tape marks at the end.

       When only a source drive is specified, tcopy scans the tape, and displays information about the sizes of records and tape files. If a  des-
       tination  is  specified,  tcopy makes a copies the source tape onto the destination tape, with blocking preserved. As it copies, tcopy pro-
       duces the same output as it does when only scanning a tape.

       The tcopy utility requires the use of Berkeley-compatible device names. For example,

	 example% tcopy /dev/rmt/1b /dev/rmt/2b

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWesu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       mt(1), ioctl(2), attributes(5)

NOTES

       tcopy will only run on systems supporting an associated set of  ioctl(2) requests.

SunOS 5.11							    10 Mar 2000 							  tcopy(1)