On Mon, 13 Oct 2003, Dragan Simic wrote: > On Sun, 12 Oct 2003, dean gaudet wrote: > > > querying SMART shouldn't cause this to happen -- but i've seen it occur > > with a promise controller and maxtor disks. i used to query the SMART > > data once a night just to have a log. then i switched it to once every 5 > > minutes so i could graph the drive temperature... and when i went to once > > every 5 minutes the system became unstable. the kernel would randomly > > lose the ability to talk to a disk. the problem would go away after a > > reboot. i assume it was some sort of race condition. > > Just a small drop-in: I have a Promise FastTrak133 with two Maxtor HDDs > attached to it, and running smartmontools every 5 minutes, didn't notice > any troubles or signs of instability. yeah i've had a hard time reproducing it outside of the production system i had the troubles on. that system was exceptionally busy though. it was also SMP. i had both ultra100tx2 and ultra133tx2 in that box at the time. (the problem could also have been the maxtor firmware -- they were older 80GB 7200rpm disks.) -dean - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html