[Lustre-discuss] FW: [Lustre-community] Create directory where files get striped over the same set of OSTs

Colin Faber Colin_Faber at xyratex.com
Mon Feb 13 09:15:41 PST 2012


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 mail list for this question.
>
> Cheers,
> Kevin
>
> On 2/9/12 3:24 PM, "Kshitij Mehta"<kmehta at cs.uh.edu>  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. For
>> example,
>> file 1 might get striped over OSTs 0 thru 7, whereas file 2 might get
>> striped over OSTs 8 thru 15.
>>
>> How can I configure a directory so that files in it get striped across
>> the *same* set of OSTs?
>>
>> Thanks,
>> Kshitij Mehta
>> PhD candidate
>> Parallel Software Technologies Lab (pstl.cs.uh.edu)
>> Dept. of Computer Science
>> University of Houston
>> Houston, Texas, USA
>> _______________________________________________
>> Lustre-community mailing list
>> Lustre-community at lists.lustre.org
>> http://lists.lustre.org/mailman/listinfo/lustre-community
>
> _______________________________________________
> Lustre-discuss mailing list
> Lustre-discuss at lists.lustre.org
> http://lists.lustre.org/mailman/listinfo/lustre-discuss



More information about the lustre-discuss mailing list