[Pvfs2-users] Re: [Pvfs-users] Regarding Striping

[Phil Carns]

I just realized this probably should have headed to the pvfs2-users 
rather than pvfs-users list.

-Phil

Phil Carns wrote:
> renuka prasad wrote:
>> Hi, All
>>
>>      Hi All,
>>
>>      I'm new to parallel file systems. i would like to know:
>>      1. Does normal posix calls to pvfs do stipe data across multiple 
>> nodes for parallel
>>          access?
>>         Ex: If a create a file using posix call on a pvfs ( having 3 
>> i/o servers),
>>               does the file is striped across 3 nodes?. How to make 
>> sure this?
> 
> Yes, PVFS (by default) stripes each file across all available servers, 
> even if you use normal POSIX calls.  If you want to confirm, you can use 
> the admin utility "pvfs2-viewdist -f <filename>" to look at how a 
> particular file is striped.
> 
>>      2. If gridftp (striped) can be configured to perform MPI-IO on PVFS?
> 
> I am not familiar with configuring gridftp, but it should work fine with 
> PVFS.
> 
> thanks,
> -Phil
> 
>>
>> Thanks & Regards,
>> Prasad
>>
>>
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