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To: Alex Povolotsky <tarkhil@webmail.sub.ru>
Subject: Re: Strange problem with... ZFS? Disk? Controller?
References: <50D56D4B.4060709@webmail.sub.ru>
 <20121222032541.0ceb9f56@tech304> <50F7FB12.5040602@webmail.sub.ru>
Date: Thu, 17 Jan 2013 07:56:51 -0600
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From: Mark Felder <feld@feld.me>
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On Thu, 17 Jan 2013 07:22:26 -0600, Alex Povolotsky  
<tarkhil@webmail.sub.ru> wrote:

> On 12/22/12 13:25, Mark Felder wrote:
>> Try running diskinfo -t /dev/...
>>
>> If it says your device is really slow it's probably dying. I'd suspect  
>> it's having trouble seeking.
>>
> It was a break-in. Some dumb php script running with user privileges  
> managed FreeBSD to hang on disk io up to stopping responding to anything  
> besides reset.
>
> Alex

Yikes! Make sure to run freebsd-update IDS to check the base OS's  
checksums and if you're using pkgng you can use "pkg check-s" to look for  
any tampered with files owned by packages.