(cc'ing linux-ide) On 07/02/2010 07:56 PM, Mark Knecht wrote: > Hi, > I have a newish machine - maybe 3 months old - which unreliably > finds its disk drives at each boot. Probably 40% of the time booting 1 > or more drives will be missing. > > So far I've been unable to determine what might be wrong. Sometimes > it finds all 5 drives, sometimes only 4 or 3 drives. It's not always > the same drives that are missing. Shown below are two successive warm > boots. The machien had been running with all 5 drives working. The > first time through it missed both /dev/sdd and /dev/sde while the very > next time it found all 5 drives. Each of the 5 drives has been missing > one or more times at different boots. (I.e. - it's not always drive > sdd for instance.) > > Every time I boot the AMI BIOS screen says all 5 drives are there. > I have found that if I drop into BIOS before going to grub that > selecting each drive one at a time and reading through it's setup > seems to make the boot more reliable, but not 100%. Probably 80% > reliable. > > I don't know what info is required to look at this. I'm running the > newest Gentoo kernel but it's been happening with all kernels I've > tried since I built the machine. I'm attaching the kernel config as > well as dmesg from the last boot which had all the drives. The only > difference in dmesg when the drives don't show up (that I've spotted) > is that the missing drive just isn't in dmesg. (I.e. no error messages > that I could spot.) > > Let me know what I might try or what other info you might want. The > motherboard is an Asus Rampage II Extreme with an i7-980x 6 core/12 > thread processor. sda, sdb & sdc are part of a RAID1, sdd & sde are > part of a RAID0. Can you please *attach* full logs of a successful boot and several failing boots? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
