David Schultz wrote: > On Wed, May 05, 2004, Sren Schmidt wrote: > >>David Schultz wrote: >> >>>I have two SATA drives that are mirrored via ccd(4). The >>>mirroring apparently introduced some sort of race that led to >>>problems, which started when ATAng was committed. The specific >>>symptoms changed as the ata driver evolved, and varied from kernel >>>panics in the best case and data corruption in the worst case. >>>But the details of the problem aren't as important as the fact >>>that some aspect of Doug's patch fixes them! >> >>Have you considered using atacontrol to create an ATA RAID instead ? >>Does that work ? on an unpatched kernel ? > > > This is an Intel 875P motherboard, and I think the controller only > supports striping, not mirroring. If this is not the case, I'd > happily try it, although it would take a while for me to find the > time to back up and migrate my data if there are any > incompatibilities. The ICH5 controller on the southbridge has no concept of RAID. It's just a SATA/IDE controller. Your motherboard might have a BIOS that understands striping and/or mirroring the two SATA disks, but that is a purely software function and has nothing to do with the disk controllers. I find with much chagrin how effective the marketing campaigns are for software RAID these days ;-) ScottReceived on Wed May 05 2004 - 11:20:11 UTC
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