Thank you for your reply. It is a little more than a terabyte worth of
information. And although we have everything backed up on tape, it
will take a very long time to restore it. The reason we need to do this
is because when it was converted to software RAID, we lost a lot of
performance. There are about twenty 80 gig hard drives hooked to two
promise RAID controllers. Can I just run raidstop /dev/md0 and not
loose the data and still have the original hardware RAID still there?
Thanks.
--Ken
Bill Davidsen wrote:
Ken wrote:
Hello,
We have a Red Hat 7.1 box running kernel 2.4.17-SMP. We have
raidtools installed. We had a hardware RAID that got converted to a
software raid by mistake. Is there any way to go back without
loosing the data? the device is showing up as /dev/md0. Thank you.
1 - back up your data
2 - convert to hw raid
3 - test carefully to be sure it works
4 - reload your data
And left out, step zero, consider why you want to do this if what you
have is working reliably
also, between 2 and 3 consider upgrading to a distribution and kernel
written this millenium.
Given the state of hardware raid when that kernel was new, and the
state of the drivers, I would be very sure I had a GOOD reason to
change anything.
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