What's the best way to convert Linux software RAID 1 array to RAID 5? ( I have already bought the 3rd Hard Disc !)
Before doing anything of this sort back up your data to separate media and verify the backup via
The process from there would look like
I've assumed that you're using Linux's software RAID support, in which case all of this would be managed by the
Many nice RAID controllers can take a RAID 1 array, and when you add another drive, allow you to convert it on the fly to RAID5, of course, now twice the size.
The AMI/LSI based controllers have been doing this for a few years (is it a decade yet?). Dell PERC's, Compaq/HP's Smart Array controllers have often used these chipsets.