Hi keld, On Thu, Mar 15, 2012 at 11:25 PM, <keld@xxxxxxxxxx> wrote: > On Thu, Mar 15, 2012 at 02:07:25PM +0000, Peter Grandi wrote: >> >>> I want to create a raid10,n2 using 3 1TB SATA drives. >> >>> I want to create an xfs filesystem on top of it. The >> >>> filesystem will be used as NFS/Samba storage. >> >> Consider also an 'o2' layout (it is probably the same thing for a >> 3 drive RAID10) or even a RAID5, as 3 drives and this usage seems >> one of the few cases where RAID5 may be plausible. > > Well, for a file server like NFS/Samba, you could also consider raid10,f2. > I would think you could get about double the read performance compared to n2 and o2 > layouts, and also for individual read transfers on a running system > you would get somthing like double the read performance. > Write performance could be somewhat slower (0 to 10 %) bot as users > are not waiting for writes to complete, they will probably not notice. I also plan to try raid10f2. Did you do your own benchmarks or are you quoting someone elses? > > best regards > keld thanks for chiming in. have a nice day > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html