Date: Sun, 26 Jan 2003 16:08:31 +0800 From: Greg Lehey <grog@freebsd.org> To: "Daniel O'Connor" <doconnor@gsoft.com.au> Cc: David Schultz <dschultz@uclink.berkeley.edu>, Nate Lawson <nate@root.org>, current@freebsd.org Subject: Re: I've just had a massive file system crash Message-ID: <20030126080830.GE1606@sydney.worldwide.lemis.com> In-Reply-To: <1043553241.85148.191.camel@chowder.dons.net.au> References: <20030125070352.GA933@HAL9000.homeunix.com> <Pine.BSF.4.21.0301251048090.79988-100000@root.org> <20030125213859.GB6339@HAL9000.homeunix.com> <1043553241.85148.191.camel@chowder.dons.net.au>
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On Sunday, 26 January 2003 at 14:24:02 +1030, Daniel O'Connor wrote: > On Sun, 2003-01-26 at 08:08, David Schultz wrote: >> Good. I was referring to IDE in this case, because I assume >> that's what Greg's laptop uses. The ATA driver flushes the cache >> when the device is closed, but I don't think that happens during >> shutdown. It probably needs to register a shutdown hook like the >> SCSI driver. Also, the driver is a bit optimistic about how long >> the flush will take; it times out after 5 seconds, whereas the ATA >> spec says a flush can take up to 30 seconds. > > I am wondering if I experienced this problem with my -stable laptop.. > > I shut it down and then booted it up later to find fsck having a nice > good chew on the drive (deleting REAMS of files). Did you use shutdown -p? If my hypothesis is correct, it's possible to get this result with shutdown -h if you press the power switch as soon as the "System halted" message appears, but normally you'd give it a few seconds longer. With shutdown -p, it's immediate, modulo delay. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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