Re: [Bacula-users] LVM or separate disks?
2008-09-26 12:02:37
On Fri, Sep 26, 2008 at 10:22 AM, John Drescher <drescherjm AT gmail DOT com>
wrote:
>> I have similar speeds with my raid 5 (software raid 500gb x4). Is
>> there more documentation on how I could tune the ext3 to get me over
>> 100mb/s?
> I have no good documentation only experience. I have been using
> software raid in linux for over 5 years and I have over 15TB of raid
> online at the moment now mostly in <$2000 desktop class machines since
> they are fast enough to saturate our gigabit network.
>
> Try playing around with this command (assuming your array is md1):
>
> echo 1024 > /sys/block/md1/md/stripe_cache_size
>
> You can try 256, 512, 1024 ...
> The effects of this do not stay after a reboot so if you want to keep
> this put it a startup file.
I'll play around with it, but just to make sure...I am running ext3
and you are running xfs?
Anything I should be aware of when I change the strip_cache_size in
mdadm raid 5 ext3 setup?
Thanks,
Lucas
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