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Full Discussion: Mirrored root and swap HP9000 machine
Operating Systems HP-UX Mirrored root and swap HP9000 machine Post 302253306 by vbe on Friday 31st of October 2008 10:19:04 AM
Old 10-31-2008
Since you are on HPUX 11.00 you can use make_recovery -A (-d /dev/rmt/1m, no need if this is the default tape...) - Av if you sit next to console and want to watch the progress...

>How do I use this tape in case of crash of the operating system? do you know?

You would have to choose at boot to to boot from tape, that is at IPL type sea (search) at choose the sequential device
It will then ask interact? choose n
It will then display something like:
:tape (0/12/0/0.3.00.0.0.;0)INSTALL
...
then you have 10 seconds to interrupt the process otherwise it will reinstall the OS...
Unfortunately its a long time since last time I went through the complete process and you will have to wait till Im at home to look through my notes...

It is a good thing to test your recovery tape already to see if it boots ...
Then you may have to use it to modify filesystem size ( and reinstall after...) for you dont have OnlineJFS... but even you had it, you would need to go through using the tape for / /stand and the swap since they have to be contiguous...
 

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LEARN ABOUT DEBIAN

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)
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