[Gluster-users] Disk use with GlusterFS
aravinda at kadalu.io
Thu Mar 5 04:31:22 UTC 2020
Is this Volume is uses Geo-replication? Geo-replication feature enables Changelog to identify the latest changes happening in the GlusterFS volume.
Content of .glusterfs directory also includes hardlinks to the actual data, so the size shown in .glusterfs is including data. Please refer the comment by Xavi https://github.com/gluster/glusterfs/issues/833#issuecomment-594436009 <https://github.com/gluster/glusterfs/issues/833#issuecomment-594436009>
If Changelogs files are causing issue, you can use archival tool to remove processed changelogs.
> On 05-Mar-2020, at 9:02 AM, David Cunningham <dcunningham at voisonics.com> wrote:
> We are looking for some advice on disk use. This is on a single node GlusterFS test server.
> There's a 2GB partition for GlusterFS. Of that, 470MB is used for actual data, and 1GB is used by the .glusterfs directory. The .glusterfs directory is mostly used by the two-character directories and the "changelogs" directory. Why is so much used by .glusterfs, and can we reduce that overhead?
> We also have a problem with this test system where GlusterFS is giving "No space left on device" errors. That's despite "df" reporting only 54% used, and even if we add the 470MB to 1GB used above, that still comes out to less than the 2GB available, so there should be some spare.
> Would anyone be able to advise on these please? Thank you in advance.
> The GlusterFS version is 5.11 and here is the volume information:
> Volume Name: gvol0
> Type: Distribute
> Volume ID: 33ed309b-0e63-4f9a-8132-ab1b0fdcbc36
> Status: Started
> Snapshot Count: 0
> Number of Bricks: 1
> Transport-type: tcp
> Brick1: myhost:/nodirectwritedata/gluster/gvol0
> Options Reconfigured:
> transport.address-family: inet
> nfs.disable: on
> geo-replication.indexing: on
> geo-replication.ignore-pid-check: on
> changelog.changelog: on
> David Cunningham, Voisonics Limited
> http://voisonics.com/ <http://voisonics.com/>
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