Date: Thu, 06 Dec 2007 12:50:55 -0500 From: Randy Ramsdell <rramsdell@livedatagroup.com> To: freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: Freebsd filesystem ( hard reboot ) Message-ID: <4758367F.8090402@livedatagroup.com> In-Reply-To: <18264.12909.267833.160257@jerusalem.litteratus.org> References: <4758180C.4060208@livedatagroup.com> <47582282.2080104@unsane.co.uk> <4758266E.6040704@livedatagroup.com> <18264.12909.267833.160257@jerusalem.litteratus.org>
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Robert Huff wrote: > Randy Ramsdell writes: > >> > What is the value of background_fsck in /etc/rc.conf ? >> > >> This isn't set. Was is supposed to be? So far, I have only >> installed applications we need. And everything seem fine except >> the reboot issue. >> > > I'm going to jump in here. > Based on what you've said, it sounds like: > > the system was running > there was power outage, the system did not have a UPS > when the system rebooted, fsck complained but nothing was done > about the errors > > Let me clarify. All our servers are on UPSes, however the power outage outlasted the UPSes. That is why I stated prolonged power outage. Fsck did complain, but everything was fixed as I sat there and dealt with it. We do not want to deal with it in an offsite location and that is why this thread. > IF THAT'S TRUE ... > ... then the "seems" in your description is applicable, > and should be a red flag. > Get someone to the system, reboot it into single user mode, and > run (and re-run) fsck until it runs without error. (Answer 'y' to > all prompts.) This should be done whenever the file system is not > shutdown cleanly. > The filesystem is fine. Our set up just does not recover gracefully on hard reboots. > (And consider a UPS, even it it only keeps the system alive for > the few minutes necessary for a clean shutdown.) > > Is a dirty file system causing the reboots? No. a power prolonged power failure caused the last shutdown. > Possibly; wiser > heads than mine would have to lay out scearios. But it may also be > responsible for other damage, more subtle but equally unpleasant. A > fix is available. Use it. > I understand this will not be easy, and I sympathize. Balance > that pain against the small but non-trivial chance to catastrophic > data loss, and choose wisely. > > > > Robert Huff > Thanks for the reply. I think I will just set the rc.conf variable to answer "Y" to fsck questions unless there is a better way. A side note, this system has been hard shutdown two times and each time required intervention. We also use several Linux system ( reiserfs and ext3 ) and raely do I have to interact with the systems on reboot. There is a differnce and I am in the fisrt stages trying to understand this. PS. I am confused about why so many people are replying to the list and my personal e-mail. This one was sent to me only. Others were sent to me and the list. Actually, every other reply. Is this normal for the list as I am new as of today?
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