John Pettitt wrote: > Matthew Metzger wrote: >> Hello David, >> >> thanks for the response. I did exactly what you suggested with RAID 1 >> and LVM them together to create a large drive. It was fairly easy to >> accomplish with Ubuntu's installer. >> >> However, Les Stott brings up a great point about RAID 5. I would like >> recovering from a failure to be possible. How I have it now makes it >> possible, but perhaps it isn't as easy as the RAID 5 option. I also like >> that RAID 5 gives me more space. >> >> I think that I'll have the time to experiment with setting both of them up. >> >> thanks for taking the time to respond! >> >> -Matthew >> >> > > RAID5 will give you more space at the expense of performance and at a > slightly increased risk of failure (google "raid 5 write hole") - I have > a similar system to you - except I have 6 500GB drives in three raid 1 > pairs which are then striped to make a 1.5TB volume. > > RAID5 rebuild takes a *long* time on most systems and will significantly > impact system performance if you do it on a live box. RAID 1 rebuild > should be a bit faster as all that has to happen is a disk copy. > > If you really have the time try both and "fail" a drive in both configs > (pull the power works well :-) and see what you have to do to bring it > back on line - go with the one you are most comfortable with. > > In the end it's probably a religious decision (strongly held views not > always supported by facts). > > John >
Thanks John. I appreciate your willingness to share your experience. It's good to hear that your set up (similar to my current one) is working for you. Thanks for the warning about RAID 5. -Matthew ------------------------------------------------------------------------- SF.Net email is sponsored by: The Future of Linux Business White Paper from Novell. From the desktop to the data center, Linux is going mainstream. Let it simplify your IT future. http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4 _______________________________________________ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List: https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki: http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
