Bill Davidsen wrote: > Alan Cox wrote: > >> Ar Iau, 2006-08-24 am 07:31 -0700, ysgrifennodd Marc Perkel: >> >> >>> So - the bottom line answer to my question is that unless you are >>> running raid 5 and you have a high powered raid card with cache and >>> battery backup that there is no significant speed increase to use >>> hardware raid. For raid 0 there is no advantage. >>> >>> >> If your raid is entirely on PCI plug in cards and you are doing RAID1 >> there is a speed up using hardware assisted raid because of the PCI bus >> contention. >> > > I would expect to see this with RAID5 as well, for the same reason... assuming you actually have lots of pci contention that might be a consideration... if you're sitting on server class hardware with multiple pci buses or using pci-express cards that won't be a significant issue. -- ------------------------------------------------------------------------ Joel Jaeggli Unix Consulting joelja@xxxxxxxxxxx GPG Key Fingerprint: 5C6E 0104 BAF0 40B0 5BD3 C38B F000 35AB B67F 56B2 - 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
