[gpfsug-discuss] Independent Inode Space Limit
Scott Fadden
sfadden at us.ibm.com
Fri Oct 23 13:42:14 BST 2015
GPFS limits the max inodes based on metadata space. Add more metadata space
and you should be able to add more inodes.
Scott Fadden
Spectrum Scale - Technical Marketing
Phone: (503) 880-5833
sfadden at us.ibm.com
http://www.ibm.com/systems/storage/spectrum/scale
From: "Simon Thompson (Research Computing - IT Services)"
<S.J.Thompson at bham.ac.uk>
To: gpfsug main discussion list <gpfsug-discuss at gpfsug.org>
Date: 10/23/2015 09:05 AM
Subject: Re: [gpfsug-discuss] Independent Inode Space Limit
Sent by: gpfsug-discuss-bounces at spectrumscale.org
>When creating an independent inode space, I see the valid range for the
>number of inodes is between 1024 and 4294967294.
>
>Is the ~4.2billion upper limit something that can be increased in the
>future?
>
>I also see that the first 1024 inodes are immediately allocated upon
>creation. I assume these are allocated to internal data structures and
>are a copy of a subset of the first 4038 inodes allocated for new file
>systems? It would be useful to know if these internal structures are
>fixed for independent filesets and if they are not, what factors
>determine their layout (for performance purposes).
Anyone have any thoughts on this? Anyone from IBM know?
Thanks
Simon
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