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[Discuss] Is this bad?



Dan Ritter <dsr at randomstring.org> writes:

> On Fri, Feb 24, 2012 at 08:40:47AM -0500, Derek Atkins wrote:
>> Hi,
>> 
>> I finally turned on Smartd on one of my servers (don't ask me why it
>> wasn't on earlier), and I've been receiving messages like the following
>> every night.  Is this bad?  Is this a sign that one (or both) of my
>> disks is (are) dying and need to be replaced?
>> 
>> Could this be related to why when the machine is under heavy load that
>> ksoftirqd/1 starts spinning and taking up lots of CPU?  This is my
>> mythtv backend server, so it can have heavy disk I/O when recording
>> multiple HDTV streams simultaneously (upwards of 40Mbps at times).
>> 
>
> The raw_read_error rate is impossible to understand without a
> guide from the manufacturer. What you should be looking for is a
> sudden upswing in uncorrectable errors.
>
> SMART isn't very smart; they left far too many meanings up to
> the drive maker's whims.

What about the ECC errors?

> -dsr-

-derek

-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord at MIT.EDU                        PGP key available



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