Re: Why does NUFA not allow mounts even from trusted peers without a subvolume?

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Oops, you are right. I got misled by git-describe. Can you please add http://review.gluster.org/5414/ to the backport wishlist (for 3.4.2) - http://www.gluster.org/community/documentation/index.php/Backport_Wishlist

Thanks!
Avati


On Wed, Dec 4, 2013 at 2:34 PM, Michael Lampe <mlampe0@xxxxxxxxxxxxxx> wrote:
Just checked nufa.c from the official 3.4.1 sources and things look very much different from

http://review.gluster.org/#/c/5414/2/xlators/cluster/dht/src/nufa.c

There is surely no such fallback.

-Michael


Michael Lampe wrote:
I'm using the 3.4.1-3.el5 packages from gluster.org.

Am I perhaps misinterpreting the problem?

-Michael

Anand Avati wrote:
You are probably using 3.3 or older? This has been fixed in 3.4 (
http://review.gluster.org/5414)

Thanks,
Avati


On Wed, Dec 4, 2013 at 2:05 PM, Michael Lampe
<mlampe0@xxxxxxxxxxxxxx>wrote:

I've installed GlusterFS on our 23-node Beowulf cluster. Each node has a
disc which provides a brick for the GlusterFS volume and every node
mounts
this volume. The NUFA translator is ideal for the code we run and
everythings works fine so far.

Only problem is the frontend node, which does not have a subvolume:
After
I've turned on NUFA, it no longer can mount the volume. :(

[2013-12-04 21:35:44.262738] E [nufa.c:641:init] 0-gv0-dht: Could not
find
specified or local subvol
[2013-12-04 21:35:44.262766] E [xlator.c:390:xlator_init] 0-gv0-dht:
Initialization of volume 'gv0-dht' failed, review your volfile again
[2013-12-04 21:35:44.262783] E [graph.c:292:glusterfs_graph_init]
0-gv0-dht: initializing translator failed
[2013-12-04 21:35:44.262799] E [graph.c:479:glusterfs_graph_activate]
0-graph: init failed

Is there any technical reason for treating things this way? Why cannot
NUFA fall back to distribute, like it does when the local subvolume
has not
enough free space?

Or is there a better way to include a frontend node?

-Michael
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