Thank you very much, this help me a lot. On Mon, Nov 7, 2011 at 3:57 PM, Phil Carns <[email protected]> wrote:
> On 11/07/2011 04:32 PM, Rob Latham wrote: > >> On Mon, Nov 07, 2011 at 02:28:04PM -0600, Jibing Li wrote: >> >>> Hello everyone, >>> >>> I installed pvfs2 in a cluster with 8 data storage servers, let's say >>> server 1 to server 8. I want to store two files, one of them stored in >>> server 1 to server 4, the other stored in server 5 to server 8. How can I >>> do this? The default layout is that, for each file it is stored across >>> all >>> the servers by a round-robin fashion. I want to store as my owe data >>> layout. Thank you very much. >>> >> Does this url provide sufficient detail for you? >> >> http://www.orangefs.org/**documentation/releases/** >> current/doc/pvfs2-faq/pvfs2-**faq.php#sec:dir_tuning<http://www.orangefs.org/documentation/releases/current/doc/pvfs2-faq/pvfs2-faq.php#sec:dir_tuning> >> >> >> ==rob >> >> > This document has a little bit more detail on the specific distributions > that are available too: > > http://www.pvfs.org/fisheye/**browse/PVFS/doc/pvfs2-tuning.** > tex?r=1.2#l208<http://www.pvfs.org/fisheye/browse/PVFS/doc/pvfs2-tuning.tex?r=1.2#l208> > > In addition to modifying the distribution or the number of data files, you > can also force the files to land on specific servers using a custom layout. > The pvfs2-touch tool can be used to create files like this, for example: > > pvfs2-touch -l tcp://hostA:3334,tcp://hostB:**3334,tcp://hostC:3334 > > Unfortunately I don't think there is an xattr interface for that > functionality, though. You have to either create the files ahead of time > using pvfs2-touch to dictate the layout, or else use the PVFS system > interface directly. > > -Phil > > > ______________________________**_________________ > Pvfs2-users mailing list > Pvfs2-users@beowulf-**underground.org<[email protected]> > http://www.beowulf-**underground.org/mailman/**listinfo/pvfs2-users<http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users> >
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