[CentOS] Transition to CentOS - RAID HELP!

Raymond Lillard ryl at sonic.net
Wed Jan 18 04:16:33 UTC 2012

Just make sure you have a verified backup
before you do anything  !!

If it's not backed up data, it's not important data.

I don't remember what version of the ext filesystem
was current during the RH7 days, but I would
seriously consider dumping the raid and reloading
in onto a newly formatted ext4 filesystem.

There may be good reasons (or bad ones) why you really
can't wipe everything and reload.  I'm just suggesting
you think long and hard about it.

Also, the hard drives in a system that old have got
be really tired.  Consider new drives.  In fact even
a low-end new system will seriously out perform a system
that old.  Even a pure softraid raid1 would do so and
be more reliable.

Good Luck

On 01/17/2012 06:47 PM, Gordon Messmer wrote:
> On 01/17/2012 01:30 PM, Ashley M. Kirchner wrote:
>>        I've inherited an old RH7 system that I'd like to upgrade to
>> CentOS6.1 by means of wiping it clean and doing a fresh install.
>> However, the system has a software raid setup that I wish to keep
>> untouched as it has data on that I must keep.
> If you boot the CentOS installer, it should detect any existing RAID and
> LVM volumes.  You'll be able to select individual filesystems to mount
> in the new system, and optionally format them.  Assuming that your data
> is on a volume of its own, you can select the "system" filesystems and
> format only those.
> You shouldn't have to manually recreate anything.
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