Hi,
Thanks for the pointers. Is it possible that the HBA driver loads the firmware onto the drives? I've tried the harddrive vendor (Hitachi), but they don't release firmware updates. I reduced the size of the array to 4x2Tb RAID10 (4Tb redundant). Perhaps I'll try a smaller size to see if I have the same problem. The easiest way to replicate the problem is to run hdparm -t /dev/sda I get about 400kB/s on the problem RAID. The aacraid driver seems to mask single disks. AFAIK This prevents the driver timingout during bootup I've removed all LVMs so I can use modprobe and rmmod to experiment with different module options without restarting. -- SLUG - Sydney Linux User's Group Mailing List - http://slug.org.au/ Subscription info and FAQs: http://slug.org.au/faq/mailinglists.html
