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Old 04-17-2008, 05:05 PM
Henrik Goldman
 
Posts: n/a
Default Re: 280R slow disks?

>
> That's just not right. There are crappier disk systems than the U5/
> U10 had but you'd be hard put to find one, and the 280R certainly is
> not an example. You have some horrible misconfiguration or are
> misidentifying the problem. Use some disk benchmark (bonnie?) to
> establish what the performance problem really is (and in particular to
> establish that it's not I/O).


Actually it's a plain standard install of Sol 8 which causes this.
Misconfiguration was done by Sun in this case.

> Do you have logging turned on on the filesystems? This can make a huge
> difference to metadata-heavy loads (lots of tiny short-lived files)
> often generated by compilations. I don't think logging became the
> default until 10, so unless the mounts specify it you don't have it,
> and you should.


Now I've turned it on and it has eliminated those problems. Thanks also for
suggesting this.

-- Henrik

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