We have a setup that requires a lot of tar being used on lustre. We see a
drop in tar performance when going to the lustre setup. I have searched
and found the lustre tar 1.19. Unfortunate this did not provide any
improvement in the tar times. Are there any suggestions for improving tar
wit
> We have a setup that requires a lot of tar being used on
> lustre.
That's your choice, however audacious it may be.
[ ... ]
> tar to extract a 5.2GB file on to the lustre system - 3m22s
> tar to extract the same 5.2GB file on to local disk - 1m06s
> tat to create a 5.2GB tar file on the lustr
More appropriate mail list for this question.
Cheers,
Kevin
On 2/9/12 3:24 PM, "Kshitij Mehta" wrote:
>Hello,
>My lustre installation has a total of 64 OSTs and I have created a
>directory that has been configured over 8 OSTs.
>However, files in this directory get striped over different OSTs. F
Hi Kshitij,
If you're using a reasonably modern Lustre you can use the OST pools
feature. This allows you to assign certain OST's to certain
files/directories.
see 'OST Pools' in the operations manual for more information.
-cf
On 02/13/2012 09:56 AM, Kevin Canady wrote:
> More appropriate ma
Hi Colin,
We have Lustre 1.6.7, so OST pools is not available on it.
I had the following suggestion from someone which I am going to try out:
> In that case, you can set the striping on the directory in question to
> start at OST index 0 with a stripe_count of 8 and create your files in
> that dir
> Details like OSS configuration, storage and network details would help
38 TByte Lustre filesystem, exported by 11 servers via Infiniband (64 OSTs)
> What happens when you write, single client to a single OST, what figures are
> you getting?
~ 280 MBps. I see similar results when I use multipl
On Thu, Feb 9, 2012 at 8:18 PM, Andreas Dilger wrote:
> On 2012-02-09, at 6:20 AM, Jack David wrote:
>> In the output of "lsf getstripe | ", the obdidx
>> denotes the OST index (I assume).
>>
>> Consider the following output:
>>
>> lmm_stripe_count: 2
>> lmm_stripe_size: 1048576
>> lmm_strip
