Mirrored root and swap HP9000 machine Post: 302252384

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Operating Systems HP-UX Mirrored root and swap HP9000 machine Post 302252384 by vbe on Wednesday 29th of October 2008 10:23:38 AM

10-29-2008

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Suddenly I realized:

Quote:

...
if the root and swap are mirrored on my HP9000

What OS are you familiar with?
in HPUX, you should not have a main root filesystem, the OS by default uses more than just one filesystem when you install it...
In lvm you would have vg00 ( equivalent to AIX rootvg) the volume group used for the OS
And usually you would have:

Code:

ran:/home/vbe $ bdf|grep vg00
/dev/vg00/lvol3     307200   54696  236775   19% /
/dev/vg00/lvol1     199381   79387  100055   44% /stand
/dev/vg00/lvol7    2048000  639480 1320685   33% /var
/dev/vg00/lvol8    4096000    6624 3835569    0% /var/adm/crash
/dev/vg00/lvol6    1536000 1001171  501446   67% /usr
/dev/vg00/lvol5     500000   62904  410367   13% /tmp
/dev/vg00/lvol9    2527232 1825601  657840   74% /opt
/dev/vg00/lvol4     350000  174103  165919   51% /home

But you will notice lvol2 doesnt appear => bdf doesnt show swap...

All this to say it doesnt make much sence to only mirror / in this case...
You are to mirror the whole volume group or at least all the OS.

All the same , the system backup tool IgniteUX doesnt backup only / ... (man make_tape_recovery(1M))

vbe

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LEARN ABOUT OPENDARWIN

bootparams

BOOTPARAMS(5)                                                 BSD File Formats Manual                                                BOOTPARAMS(5)

NAME

     bootparams -- boot parameter database

SYNOPSIS

     /etc/bootparams

DESCRIPTION

     The bootparams file specifies the boot parameters that diskless clients may request when booting over the network.  Each client supported by
     this server must have an entry in the bootparams file containing the pathnames for its root and (optionally) swap areas.

     Each line in the file (other than comment lines that begin with a #) specifies the client name followed by the pathnames that the client may
     request by their logical names.  The components of the line are delimited with blank or tab, and may be continued onto multiple lines with a
     backslash.

     For example:

           dummy   root=host:/export/dummy/root 
                   swap=host:/export/dummy/swap 
                   dump=host:/export/dummy/swap

     When the client named "dummy" requests the pathname for its logical "root" it will be given the pathname ``host:/export/dummy/root'' as the
     response to its RPC request.  The "host:" component must be supplied.

FILES

     /etc/bootparams  default configuration file

SEE ALSO

     bootparamd(8)

Linux NetKit (0.17)                                               October 2, 1994                                              Linux NetKit (0.17)