Date: Fri, 01 Apr 2011 16:07:25 +0400 From: "Marat N.Afanasyev" <amarat@ksu.ru> To: Marko Lerota <mlerota@claresco.hr> Cc: freebsd-stable@freebsd.org Subject: Re: Constant rebooting after power loss Message-ID: <4D95BFFD.2040307@ksu.ru> In-Reply-To: <87d3l6p5xv.fsf@cosmos.claresco.hr> References: <87d3l6p5xv.fsf@cosmos.claresco.hr>
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This is a cryptographically signed message in MIME format. --------------ms020908030707020208080209 Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: quoted-printable Marko Lerota wrote: > Today one of my home servers lost power two times in a short > period of time. After that, the system just couldn't get up. > Background checks couldn't get started. The messages was how > / /tmp /var etc...had to much errors. And at the end, always > got this: "automatic reboot will start in 15sec". > > I went to single user mode, and ran FSCK manually. That solved > the problem. But the server was down for 2 hours. > > This is not the first time that I had to do this. Every now > and then I have seen this on BSD servers without UPS. > > My question is: > > Would it happen if I had ZFS as a file system on all partitions > including root? > > The setup was FreeBSD 8.1, with two disks in raid 1 with gmirror. > I'm afraid that in case of sequential power loss you will be faced with=20 broken filesystems regardless of filesystem you're using. and I suppose=20 that data on your servers costs, at least, ten times more than any UPS=20 that should safely shut down your server in case of black out. --=20 =F3 =D5=D7=C1=D6=C5=CE=C9=C5=CD, =ED=C1=D2=C1=D4 =E1=C6=C1=CE=C1=D3=D8=C5= =D7 --------------ms020908030707020208080209--
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