On Tue, Feb 07, 2006 at 11:34:08AM -0800, Bob Miller wrote: > Date: Tue, 7 Feb 2006 11:34:08 -0800 > From: Bob Miller <[EMAIL PROTECTED]> > To: [email protected] > Subject: Re: [Eug-lug] RAID5 configuration, setup and conversion > Mail-Followup-To: [email protected] > > Matthew Jarvis wrote: > > > We are looking at going RAID5 on our data server, and I was wondering if > > I could float my implementation plan past you folks and get input on > > points that I may be missing. > > I second Ben's recommendation of two parity drives. > > I also recommend you configure through EVMS, rather than using the old > MD device directly. (or use a HW RAID controller) > > As for the root, you can create a RAID1 (mirror) volume for the root, > and you boot off any copy of the mirror. > > As Larry said, RAID5 gives good read performance (either sequential or > random) and good sequential write performance, but bad random write > performance. RAID5 also works best with large numbers of drives. > > If you're looking for random write performance, consider RAID 0+1. > That requires more drives than RAID5.
Is that the raid that puts all the 1's on one drive, and all the 0's on the other drive? Thats the raid I want... that way, you dont wear out your drives too fast. :) Jamie > > -- > Bob Miller K<bob> > [EMAIL PROTECTED] > _______________________________________________ > EUGLUG mailing list > [email protected] > http://www.euglug.org/mailman/listinfo/euglug _______________________________________________ EUGLUG mailing list [email protected] http://www.euglug.org/mailman/listinfo/euglug
