On Tue, 3 Jan 2006, Mark Hahn wrote: > has anyone gotten good performance from aacraid? > if you configure, say the 21610SA controller as JBOD and use > normal Linux MD raid, can you mitigate the pain? I have an ibm xseries 206 with aacraid: 0000:03:02.0 RAID bus controller: Adaptec AAC-RAID (rev 01) 000:00:00.0 Host bridge: Intel Corp. 82875P Memory Controller Hub (rev 02) 0000:00:03.0 PCI bridge: Intel Corp. 82875P Processor to PCI to CSA Bridge (rev 02) 0000:00:1c.0 PCI bridge: Intel Corp. 6300ESB 64-bit PCI-X Bridge (rev 02) To be more verbose: 0000:03:02.0 RAID bus controller: Adaptec AAC-RAID (rev 01) Subsystem: Adaptec AAR-2410SA PCI SATA 4ch (Jaguar II) Flags: bus master, fast Back2Back, 66MHz, slow devsel, latency 32, IRQ 16 Memory at d4000000 (32-bit, prefetchable) [size=64M] Expansion ROM at 80100000 [disabled] [size=32K] Capabilities: [80] Power Management version 2 With bonnie++ I can write 36M/sec, read 59M/sec. I have four disks on it, but _software_ raid1 with kernel.org 2.6.13.4 kernel. Bye, -=Lajbi=---------------------------------------------------------------- LAJBER Zoltan Szent Istvan Egyetem, Informatika Hivatal Most of the time, if you think you are in trouble, crank that throttle! - 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