Hi All
Apologies for the repost - I asked this a while ago but there is now an
additional wrinkle^H^H^H^H^H^H^Hopportunity.
I have to do a hard-drive shuffle in the coming weeks.
The machine is a HP DL145 G3 which only has interfaces for 2 x hdd's.
The current disks are 2 x 80GB set up as /boot on /dev/sda1 and (sda2
plus sdb1) are pooled together to make up /dev/VolGroup00/LogVol00. They
are running at 97% full.
I'm about to replace the 2 x 80GB drives with 2 x 1TB drives which
should keep the customer going for a while.
Given that I can't attach all 4 hdds to the system at the same time, I
have plugged in a WD USB drive (1.5TB) so that we have a transfer
mechanism (as well as a second backup online in addition to the tape
backup).
I would like to have the 2 new disks in a RAID-1 array to give them a
little redundancy.
What is the easiest way to get from where I am (2 x 80GB as /boot and a
log vol) to where I want to be (a pair of mirrored drives).
My first thought was simpy to backup everything to the USB connected
drive, rip out the 2 x 80GB and replace them with the 2 x 1TB drives.
Set up the disks as a RAID 1 array. Do a partial install of the OS and
then simply copy everything back where it was.
I'm sure there is a better way than this sledgehammer approach, probably
involving LVM but given my unfamiliarity with LVM I thought I should ask
first.
TIA
Nigel.
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