Thank you for your reply,
Yes we did, once we do the rebalance process, those files already on old bricks 
will move to new bricks. However, if we write new files to volume, they will 
still distributed to old bricks, not new.


Regards,
Peng


------------------ Original ------------------
From:  "Amar Tumballi";<ama...@gmail.com>;
Send time: Saturday, Dec 28, 2019 10:28 PM
To: "PSC"<1173701...@qq.com>; 
Cc: "gluster-devel"<gluster-devel@gluster.org>; 
Subject:  Re: [Gluster-devel] Expanding Volume problem in old release 3.12.2



After expand, you need to run rebalance (at least the fix-layout) to get the 
files get distributed to newer bricks.

Regards,
Amar
--
https://kadalu.io




On Wed, 25 Dec, 2019, 9:34 AM PSC, <1173701...@qq.com> wrote:

Hello,I have a glusterfs deployment, the version of which is 3.12.2.  When I 
expanded a volume, I encountered with a problem that new files wrote to volume 
will not appear on those bricks newly added to the volume. I mean new files 
will only wrote to original bricks of that volume (bricks before expand). Those 
new bricks will never used.
I made some test on the latest version of glusterfs, this problem disappeared. 
However, for stability concerning, I cannot upgrade to new version. I plan to 
made a patch on the old 3.12.2 glusterfs, just fix this one bug. Would you 
please tell me some information about it? 


Thank you very much!
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