On 24 Feb 2012, at 15:43, Richard Ems wrote: > > > On 02/24/2012 03:08 PM, Emmanuel Florac wrote: >> Le Fri, 24 Feb 2012 13:52:40 +0100 >> Richard Ems <richard.ems@xxxxxxxxxxxxxxxxx> écrivait: >> >>> Hi list, >>> >>> We are getting now 32 x 3 TB Hitachi SATA HDDs. >>> I plan to configure them in a single RAID 6 set with one or two >>> hot-standby discs. The raw storage space will then be 28 x 3 TB = 84 >>> TB. On this one RAID set I will create only one volume. >>> Any thoughts on this? >> >> If you'd rather go for more safety you could build 2 16 drives RAID-6 >> arrays instead. I'd be somewhat reluctant to make a 30 drives array >> --though current drives are quite safe apparently. > > Thanks, yes, this sounds good, but it's a matter of administration > simplicity doing the backups why I chose to have only one > volume/partition/XFS. At some point one of both drives will become near > to full and moving dirs from one partition to the other won't be that > easy with out backup system ... You might consider making a software raid0 from the two raid-6 arrays. -- Roger _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs