Speaking of hard disk issues... I suspect it might be a good idea to have
a few hard disks on hand for our new servers.  I don't know what the
market place is like, but it'd really stink if we couldn't find an
appropriate replacement drive several months or years down the road. 
They're hardware RAID, right?  Can they accept hard drives of a different
model and size but set up to the appropriate geometries using a
partitioner?

We should definitely be safe and totally hedge against Murphy's Law.

Ryan



> Justin S. Leitgeb wrote:
>> Fyodor seems to be in pretty bad shape since the disk installation.  I'm
>> not sure if these things are related, but I logged in again today to see
>> a
>> 30 + load average and about 25 processes blocked according to vmstat.
>>
> This is why I was concerned that a completely different model and
> geometry drive was being used for mirroring. Of course it "works," but
> that doesn't mean it works well, or fast.
>> So, I think that if we're not ready to really start migrating in the
>> next
>> few days, we have to do some performance tuning or troubleshooting.
>> What
>> do y'all think?
>>
> Yes.
>> Second, there was a process called blosxom.cgi under terry's user
>> account.
>>
> It's a perl blogging program.  I noticed it was using a good bit of CPU
> also, which is odd since it's supposed to be fairly lightweight and
> terry's sites are not the busiest lately.  Terry, could you take a look
> at your site's log or config to make sure it's working right?
> It may be contributing, but I don't think it's more than a small share
> of the problem.
>> Also, is there something that could be related to the new disk that is
>> causing these issues?
>>
> Since I'm not root on fyodor and dmesg is disabled, I don't know.  Can
> someone post dmesg|grep hd to -sysadmin?  Maybe they gave us a slow drive.
>> Sorry to distract people from the migration tasks, but I think that we
>> should probably address these issues that are now causing lots of
>> down-time every day recently.
>>
> I also think we should start migrating the busiest websites ASAP.  We
> can start this weekend.  I'm willing to move mine.
>
> -Nathan
>
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