On Wednesday 16 Jul 2008, Mark Post wrote:
> >>> On Wed, Jul 16, 2008 at 5:53 AM, in message
>
> <[EMAIL PROTECTED]>, Robin Atwood <[EMAIL PROTECTED]> wrote:
> > I am following a HOWTO I found to move my DASD to use LVM on top of
> > RAID1. The
> > instructions assume Intel arch but all goes well until it says to use
> > Grub to
> > write the MBR onto the two partitions with the boot directory on them.
> > Naturally I tried to use zipl but it fails with:
>
> Peter has already indicated this won't work (today). But to follow up a
> little more, I would say to think about what you're doing and why. Using
> RAID 1 in a system is almost always done to prevent a system outage when a
> disk fails. If that happens on a mainframe Linux system, you've got bigger
> problems than worrying about whether your system will reboot if needed.
> Using software RAID can make a lot of sense on Linux for System z, but I
> wouldn't think that doing it for /boot (on ECKD) would be in that category.
Thanks to Peter for the explicit explanation that this can't work. I am
actually just carrying out an experiment to see if all this was possible.
Clearly it is not essential that the boot partition is mirrored, so I shall
revert that to normal.
Thanks to everyone who replied!
-Robin
--
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Robin Atwood.
"Ship me somewheres east of Suez, where the best is like the worst,
Where there ain't no Ten Commandments an' a man can raise a thirst"
from "Mandalay" by Rudyard Kipling
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