Spelic put forth on 11/23/2010 6:36 PM: > On 11/23/2010 11:48 PM, Emmanuel Florac wrote: >> So Spelic, you're using the 3Ware as a SATA controller, but not a RAID >> controller? This is quite unexpected, though going with md >> instead provides better IOPS. >> > > Yep, because I know MD better, I can see the code, it's more flexible > and customizable, can be controlled with scripts more easily... Also > parameters to the underlying drives can be controlled if I use MD, and > it's easier to align filesystem to stripes. Also my time is better spent > learning it as MD won't change the next time I buy a different hw > controller. > What would be the advantage of using hardware raid? If there is no advantage then why buy an $800+ real hardware RAID card and then deploy it as a vanilla SAS/SATA HBA with software RAID? What a waste of a decent RAID card... You could have gone with two of these instead http://www.newegg.com/Product/Product.aspx?Item=N82E16816117157 saving ~$500 and having similar if not slightly better performance with software RAID. -- Stan _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
