On Wed, Apr 08, 2009 at 03:34:57PM +0100, Kelly Harding wrote: > Hi, > > My server has got debian on it currently in the following configuration: > > 250Gb boot drive with partitions for / /boot /home > 3x500Gb drives in RAID5 array, with XFS on top directly. > > Aiming to get a couple of 1Tb drives to migrate the 3x500Gb RAID5 > array to a RAID1 and use two of the 500Gb drives for thhe new boot > drive with LVM (With /boot / /home and so on on it). so you are going to have md0 = raid1 2 x 500Gb md1 = raid1 2 x 1Tb I would create 3 partitions on the 500GB drives 500M /boot (ext2 or ext3) 20G / (ext3) REST as a LVM PV I would raid1 these on the 1TB, 1 partition 1TB -> raid 1 -> LVM PV so you end up with /boot & / on raid1 no lvm and then 2 LVM PV 1 x 1TB and 1 x ~460GB you can create 1 vg or 2 depending on what you want to put on there from there create these LV's /tmp <swap> /var/log/ (my personal preference, badly config syslog server bringing down server ) /var/tmp then carve up what ever else you need say /home/<you> Alex > > Just wondering if theres any suggestions on how best to go about > migrating like this? not really worried too much about downtime, as > long as data is preserved. Reasons are mostly because the 250Gb drive > I believe could be getting close to failure (have backed up important > data on it to another machine using xfsdump). > > Any suggestions gratefully recieved. > > Thanks, > > Kelly > > -- Brook's Law: Adding manpower to a late software project makes it later.
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