David Milholen wrote:
Hi All,
I have an issue on one of my production mail server.. I did not install
this one but it seems that when it was installed with no raid in mind.
I need to make this move to go to raid 1 with out losing any
configuration or data on the current root drive.
I have never done this before but have a good understanding of what may
need to happen I just need a good step by step to keep me from losing
what is in place now.
This machine is an e-server 326m has 2 sata 250GB drives.
here is the output of the df command
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sdb1 240362656 16316904 211835952 8% /
/dev/sda1 101086 11843 84024 13% /boot
none 2047316 0 2047316 0% /dev/shm
Any suggestions on this would be great..
TM
Dave
Hey Dave,
This'll be a little tricky, but not too bad.
In short, you'll
.) migrate /boot to sdb1. This will free up the sda drive.
.) build (degraded) raid arrays, filesystems on sda
.) migrate sdb->sda
.) boot/run from sda (degraded)
.) create raid partitions on sdb
.) add sdb raid paritions into /dev/md? arrays
After doing the first step, you'll need to decide how your new system
will be partitioned. I usually create 2 raid arrays on each drive, one
100M for /boot and whatever's left I make a LVG (/boot cannot be in a
LV). Then I divvy up the logical volume. For QMT, I think I'd use:
/ - 8G
/tmp - 1G
/var - 2G
swap - 1-2 times RAM
/home - whatever's left
That should get you started. Holler as you have questions, and we'll do
what we can to help out.
Oh, and please take notes. You might want to write a how-to for the wiki
when you're done. ;)
--
-Eric 'shubes'
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