[gpfsug-discuss] Quotas on Multiple Filesets

[P Serocka]

> 
> I would have though that usage in fileset predictHPC would also go against the group fileset

quota-wise these filesets are "siblings",
don't be fooled by the hierarchy formed by namespace linking.

hth

-- Peter



On 2016 Dec 3. md, at 04:51 st, J. Eric Wonderley wrote:

> Hi Michael:
> 
> I was about to ask a similar question about nested filesets.
> 
> I have this setup:
> [root at cl001 ~]# mmlsfileset home
> Filesets in file system 'home':
> Name                     Status    Path                                    
> root                     Linked    /gpfs/home                              
> group                    Linked    /gpfs/home/group                        
> predictHPC               Linked    /gpfs/home/group/predictHPC             
> 
> 
> and I see this:
> [root at cl001 ~]# mmlsfileset home -L -d
> Collecting fileset usage information ...
> Filesets in file system 'home':
> Name                            Id      RootInode  ParentId Created                      InodeSpace      MaxInodes    AllocInodes   Data (in KB) Comment
> root                             0              3        -- Tue Jun 30 07:54:09 2015        0            134217728      123805696    63306355456 root fileset
> group                            1       67409030         0 Tue Nov  1 13:22:24 2016        0                    0              0              0 
> predictHPC                       2      111318203         1 Fri Dec  2 14:05:56 2016        0                    0              0      212206080 
> 
> I would have though that usage in fileset predictHPC would also go against the group fileset
> 
> On Tue, Nov 15, 2016 at 4:47 AM, Michael Holliday <michael.holliday at crick.ac.uk> wrote:
> Hey Everyone,
> 
>  
> 
> I have a GPFS system which contain several groups of filesets.
> 
>  
> 
> Each group has a root fileset, along with a number of other files sets.  All of the filesets share the inode space with the root fileset.
> 
>  
> 
> The file sets are linked  to create a tree structure as shown:
> 
>  
> 
> Fileset Root -> /root
> 
> Fileset a  -> /root/a
> 
> Fileset B -> /root/b
> 
> Fileset C -> /root/c
> 
>  
> 
>  
> 
> I have applied a quota of 5TB to the root fileset.
> 
>  
> 
> Could someone tell me if  the quota will only take into account the files in the root fileset, or if it would include the sub filesets aswell.   eg If have 3TB in A and 2TB in B   - would that hit the 5TB quota on root?
> 
>  
> 
> Thanks
> 
> Michael
> 
>  
> 
>  
> 
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> 
> 
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