[Gluster-users] Where is located the metadata?

Luca Barbato lu_zero at gentoo.org
Tue Feb 24 21:26:04 UTC 2009

Basavanagowda Kanur wrote:
> Luca,
>   You need to remove extended attributes from the exported directory itself.
>   You can do it using:
>     setfattr -x "trusted.glusterfs.dht" <export-directory>

On irc somebody kindly guided me through getfattr (that won't show you 
anything if you don't ask for it with -d -m "*.gluster.*") and 
eventually managed to play more with the setups.

Probably could be helpful putting those on the faq.

Meanwhile I eventually solved my issue with writebehind translator by 
updating to git sources (the 2.0.0rc1 is apparently buggy in that 
regard) and I'm trying to get writes pushing more data (so far the best 
I got is 75Mb/s from 5 concurrent dd on a single node and 45Mb/s on a 
single transfer), right now I'm using a dht+afr mix clientside and 
enabling afr apparently hits severely the performance (almost halving them).

Anybody has good recipes to speed it up a bit?



Luca Barbato
Gentoo Council Member
Gentoo/linux Gentoo/PPC

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