Date: Tue, 17 Jul 2007 08:06:59 -0700 From: Kent Stewart <kstewart@owt.com> To: freebsd-questions@freebsd.org Cc: Steve Franks <stevefranks@ieee.org>, Roger Olofsson <raggen@passagen.se> Subject: Re: IBM HDs vanish on warm-boot? Message-ID: <200707170806.59943.kstewart@owt.com> In-Reply-To: <200707161954.45418.kstewart@owt.com> References: <469BE90B.4030503@passagen.se> <539c60b90707161551n73a61b9nff23f28443e32fb9@mail.gmail.com> <200707161954.45418.kstewart@owt.com>
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On Monday 16 July 2007, Kent Stewart wrote: > On Monday 16 July 2007, Steve Franks wrote: > > I just had this problem this week - drives are fine until you > > access one and then disappears. > > > > Checked my bios monitor page and 12V was only 11.8V. Changing from > > a 300W to a 500W power supply magically fixed the problem... > > > > I don't claim that this is necessarily your problem, but it caught > > me off-guard and it's worth looking at. > > I just finished rebuilding a system that went down on Saturday > afternoon. It ended up being the power supply. Early on, I probably > could have just replaced the ps but after a number of fsck's, > followed by panics, there were files that were linked and etc. and > the system wouldn't boot into single user mode. A rebuild using a > brand new HD seemed the logical way out. I could mount the old disk > and cp important directories or individual files onto the new HD. > > It turned out that / was the only one trashed but backup files > of /etc , /home/user's, and all of the port tarballs were ok. One thing I forgot and that was the disappearance of the all HDs. You could cold boot and they were there. The system would panic and it would ask for a floppy to boot from. You could cold boot and fsck the HDs, reboot and it would run for a little bit and then go into the panic and HDs not there loop. It did this until it trashed ad0 and sh quit loading. I would lay odds that I could have used the power supply tester and the ps would test ok until it got under a load and shutdown. I had a ps do the same thing a couple of months ago but it didn't make HDs disappear. The system would just shutdown unexpectedly. I never made it to a buildworld and have it die with a signal 11. Without a load, the ps would test ok. A friend who services computers told me that, in his experience, the pses are typically only lasting 3 years and that I should expect more of these failures. Kent > > Kent > > > Steve > > > > On 7/16/07, Roger Olofsson <raggen@passagen.se> wrote: > > > Dear mailing list, > > > > > > I have 2 IBM HDs and one WD HD (ata) in an old pc and for some > > > reason FBSD 6.2 can't find the IBMs on a warm-boot. Cold-boot is > > > fine and, the WD is fine. > > > > > > The motherboard is an old Aopen AX34 and all settings are default > > > except for ACPI that's off. > > > > > > The first thought that came to mind was that one of the IBMs are > > > going bad, but, I find it very unlikely that both HDs are doing > > > it. One is a 120 and one is an 80gigger but both 'vanish' on > > > warm-boot. > > > > > > Some other setting in bios than ACPI? > > > > > > Grateful for any answer, > > > > > > /Roger > > > _______________________________________________ > > > freebsd-questions@freebsd.org mailing list > > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > > To unsubscribe, send any mail to > > > "freebsd-questions-unsubscribe@freebsd.org" -- Kent Stewart Richland, WA http://www.soyandina.com/ "I am Andean project". http://users.owt.com/kstewart/index.html
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