On 3/3/11 6:52 PM, Chuck Munro wrote: > > I've been on a real roller coaster ride getting a large virtual host up > and running. One troublesome thing I've discovered (the hard way) is > that the drivers for Marvell SAS/SATA chips still have a few problems. > > After Googling around quite a bit, I see a significant number of others > have had similar issues, especially evident in the Ubuntu forums but > also for a few RHEL/CentOS users. > > I have found that under heavy load (in my case, simply doing the initial > sync of large RAID-6 arrays) the current 0.8 driver can wander off into > the weeds after a while, less so for the older 0.5 driver in CentOS-5. > It would appear that some sort of bug has been introduced into the newer > driver. > > I've had to replace the Marvell-based controllers with LSI, which seem > rock solid. I'm rather disappointed that I've wasted good money on > several Marvell-based controller cards (2 SAS/SATA and 2 SATA). I replaced separate SII and promise controllers with a single 8-port Marvell based card and thought it was a big improvement. No problems with centos5.x, mostly running RAID1 pairs, one of which is frequently hot-swapped and re-synced. I hope its not going to have problems when I upgrade. -- Les Mikesell lesmikesell@xxxxxxxxx _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos