Lustre discuss - May 2010 - Help with a question about lustre_rsync in Lustre 2.0 Beta1

Hello,

Could somebody help me with a question with the new lustre_rsync
feature? I saw from the example that lustre_rsync can "synchronize a 
Lustre file system (/mnt/lustre) to a target file system (/mnt/target):

$ lustre_rsync --source=/mnt/lustre --target=/mnt/target ......
"
,

Can I just rsync a subdirectory like:

$ lustre_rsync --source=/mnt/lustre/<important_data>
--target=/mnt/target/<backup> .......

?


Thanks in advance for answering my question.
Yujun

No.  This tool is intended to keep an entire (big) FS synched;
if all you need is a subdir you should use regular (not lustre-) rsync.
(I can''t think of any reason why that functionality couldn''t
be added,
but it''s not entirely trivial.)

On May 19, 2010, at 8:32 AM, Yujun Wu wrote:
> Hello,
> 
> Could somebody help me with a question with the new lustre_rsync
> feature? I saw from the example that lustre_rsync can "synchronize a 
> Lustre file system (/mnt/lustre) to a target file system (/mnt/target):
> 
> $ lustre_rsync --source=/mnt/lustre --target=/mnt/target ......
> "
> ,
> 
> Can I just rsync a subdirectory like:
> 
> $ lustre_rsync --source=/mnt/lustre/<important_data>
> --target=/mnt/target/<backup> .......
> 
> ?
> 
> 
> Thanks in advance for answering my question.
> Yujun
> 
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