[Lustre-discuss] How to apply a lustre patch

Christopher J. Morrone morrone2 at llnl.gov
Wed Jan 9 10:41:10 PST 2013

What is your comfort level with git and C programming?  Because this is 
a source code patch that you are talking about.  Honestly, you are 
almost certainly better off just upgrading to lustre 2.1.3, or better 
yet lustre 2.1.4.

If you know git, and are comfortable resolving patch conflicts should 
they occur, the high level procedure is:

- Checkout your version of the lustre code using git
- On the gerrit review page (http://review.whamcloud.com/#change,3623) 
in the download section click "cherry-pick".  Cut-and-paste the long git 
command into the terminal where you have lustre checked out (there is a 
"copy to clipboard" link to make that easier).

The patch is now applied.  Except that if it didn't apply cleanly you'll 
need to resolve the conflicts.

Finally, you can go through the normal steps to configure, compile, and 
build packages of lustre.


On 01/09/2013 07:56 AM, Ms. Megan Larko wrote:
> Greetings List!
> I have recently experienced an issue on a lustre-2.1.2 system (kernel
> 2.6.32-220.17.1.el6_lustre.x86_64) in which the error on the MGS/MDS
> server matches LU-1596.  On the web page there is a link (reprinted
> below) to a page from Oleg Drokin containing the patches to fix the
> issue.   I see all of the modified files listed.   Do I need to use
> patch or quilt to apply these patches?  I don't know how to go about
> applying these.  Is there a web page explaining HOWTO do this
> correctly?
> The page with the patch listings:
> http://review.whamcloud.com/#change,3623
> Thank you for the help.
> megan
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