Date: Fri, 1 Apr 2011 10:25:39 -0500 From: Bob Willcox <bob@immure.com> To: Marko Lerota <mlerota@claresco.hr> Cc: freebsd-stable@freebsd.org Subject: Re: Constant rebooting after power loss Message-ID: <20110401152538.GA92060@rancor.immure.com> In-Reply-To: <874o6ip0ak.fsf@cosmos.claresco.hr> References: <87d3l6p5xv.fsf@cosmos.claresco.hr> <AANLkTi=kEyz-mKLzdV8LAf91ZhMTP8gLKs=3Eu5WD8mh@mail.gmail.com> <874o6ip0ak.fsf@cosmos.claresco.hr>
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On Fri, Apr 01, 2011 at 03:29:39PM +0200, Marko Lerota wrote: > George Kontostanos <gkontos.mail@gmail.com> writes: > > > Not with the same behavior and it depends on what your server is doing at > > the time of the power interruption. > > It was in stage of booting after first power loss. > > > but ZFS is not the solution to your problem. ZFS is not designed to replace > > the needs of a UPS. > > I'm just asking if this wouldn't happen if I used ZFS. I read that ZFS > don't need fsck because the files are always consistent on filesystem > regardless of power loses. That the corruption can occur only if disks > are damaged. But not when power goes down. I'm not planing to buy UPS > for home use. I really don't know much about ZFS, but I do know about disks (I work on SAS device drivers for AIX and deal with lots of disks); and I doubt that any filesystem is going to be immune to sudden power failures when writing to a disk. At least I wouldn't trust them. If you care about the integrity of your data, I would reconsider your plans about the UPS. -- Bob Willcox Trying to explain things to people who already know bob@immure.com everything is like trying to teach a bear to dance; Austin, TX it's useless, and it annoys the bear.
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