[Pvfs2-developers] TroveMethod configuration parameter

Sam Lang slang at mcs.anl.gov
Wed Nov 29 16:52:42 EST 2006


On Nov 29, 2006, at 4:20 PM, Phil Carns wrote:

>
>> Good call.  I went ahead and committed both of these changes.
>
> Great- thanks!
>
>> FWIW, I'm not crazy about the redundancy that we have for  
>> filesystems  in the fs.conf and the collections.db.  Would anyone  
>> else be in favor  of getting rid of the collections.db  
>> altogether?  I looked at the  code, and the only time we ever use  
>> that db is when we create or  delete a collection, or to verify  
>> that an fsid is valid.  pvfs2- showcoll uses it to print all of  
>> the collections, but for all these  cases we could just use the  
>> entries in the fs.conf, or look for  actual directories in the  
>> storage space.  The advantage to removing  the collections.db  
>> would be that trove_initialize wouldn't need a  method for itself,  
>> independent of the individual collections.  Thoughts?
>
> That seems reasonable to me.  Can this be done without breaking  
> storage space compatibility?  It seems like it should- newer  
> servers would probably just ignore the old collections.db if it is  
> still laying around.
>
Yes I think so.

-sam

> -Phil
>



More information about the Pvfs2-developers mailing list