Constant rebooting after power loss

[Marat N.Afanasyev]

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 
broken filesystems regardless of filesystem you're using. and I suppose 
that data on your servers costs, at least, ten times more than any UPS 
that should safely shut down your server in case of black out.

-- 
С уважением, Марат Афанасьев