Thanks Adam.... I have given our zipl.conf below. From what you say, we
should be OK.




Adam Thornton <[EMAIL PROTECTED]>

Sent by: Linux on 390 Port <[EMAIL PROTECTED]>
06/09/2004 06:14 PM
Please respond to Linux on 390 Port

        To:     [EMAIL PROTECTED]
        cc:
        Subject:        Re: Linux Partition - DR readiness


On Wed, 2004-06-09 at 19:37, Ranga Nathan wrote:
> I am working on including our Linux partition in the DR process. We
> snapshot our dasd volumes once a week.
>  I would like to find out if we can snapshot the current linux volumes
to
> another set from which we can boot the system. How sensitive is Linux to
> the volumes?
> That is if I boot up from 0x230A instead of 0x2300 does it care?

The parmline in your zipl.conf may care--if it says "root=0x2300" and
your disk is at 230A, it's a problem.  Having /boot as a separate volume
fixes this, of course.

This is what I have in zipl.conf
# Generated by YaST2
[defaultboot]
default=ipl

[ipl]
target=/boot/zipl
image=/boot/kernel/image
ramdisk=/boot/initrd
parameters="dasd=2300-230F root=/dev/dasda1"

[dumpdasd]
target=/boot/zipl
dumpto=/dev/dasd??

[dumptape]
target=/boot/zipl
dumpto=/dev/rtibm0


Assuming the snapshot creates a ghost of the original volumes, the
partition table would be copied too. The new volumes will have identical
partitions. The /dev/dasda1 should be found and it should bot from there,
right?

This is another thing that VM makes much easier, since you can just
attach 230A as 2300.

Yes, that would be nice. But is it necessary in my case?
> BTW I have started courting Amanda.

Yay!

Adam

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