On Wed, Jan 16, 2008 at 09:28:30AM -0800, David Brodbeck wrote: > On Jan 15, 2008, at 6:14 PM, Gregory Seidman wrote: > >On Tue, Jan 15, 2008 at 03:40:15PM -0800, [EMAIL PROTECTED] wrote: > >>On Jan 15, 9:10 am, Gregory Seidman <gsslist > >>[EMAIL PROTECTED]> wrote:
> >>I have an existing setup that uses four 120G drives in software > >>RAID 5 > >>under windows 2000, and I learned that it's best to have exactly the > >>same kind of drives. Mixing WD and Seagate caused problems. Is that > >>a RAID 5 idiosyncrasy or a windows thing? > > > >I've heard it recommended for any RAID, but I've never had a problem > >under > >Linux sw RAID with differing brands of drives. > > Two drives from different manufacturers that are the same advertised > size may not have exactly the same formatted size. This isn't a > problem when you create an array; the extra space on the slightly > larger drives is just wasted. It can be a problem if you have a > failed disk and the replacement drive is slightly smaller than the > others, however. Or, create a partition on each drive that is exactly the same size, then make your arrays with eg /dev/sda1 and /dev/sdb1 instead of sda and sdb. Doug. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]