On 02/03/2009 12:33, Samuel Toogood wrote: > Alan Pope wrote: > >> 2009/3/2 Rob Beard<r...@esdelle.co.uk>: >> >>> The idea I had was if this is possible, I could attach one of the drives >>> externally via eSATA so it can be taken off site and in the event of a >>> server failure this off site backup could be plugged in and the server >>> could be back up and running in minutes rather than a good few hours of >>> re-installation (I was thinking of having two external drives so they >>> can be alternatively swapped every day). >>> >>> >> You'll need a script to re-add the disk into the array to start the >> sync, and yank it from the array before being unplugged, which is of >> course easily do-able with "mdadm". >> >> Of course as soon as you add the disk back into the array you're going >> to cause a boatload of IO as the array resyncs from the internal disks >> back out to the external one, and that's going to happen _every_ time >> you plug the disk(s) in. >> >> Cheers, >> Al. >> >> > Are you thinking of this as the only backup? Recovery of accidentally > deleted files might be a bit fiddly if so. > > Sam > Actually I didn't take this into consideration. Guess I'll have to dig out my Linux Format mags, I'm sure I saw something in one of them about keeping snapshots of the data.
Rob -- ubuntu-uk@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk https://wiki.ubuntu.com/UKTeam/