[Lustre-discuss] lustre no longer allows reads/writes (stopped working)?

Oleg Drokin Oleg.Drokin at Sun.COM
Fri Jan 30 14:20:01 PST 2009


On Jan 30, 2009, at 4:35 PM, Robert Minvielle wrote:
> I have setup a lustre system for testing consisting of four OST's  
> and one
> MDT. It seems to work fine for about a day. At the end of about 24  
> hours,
> the clients can no longer read or write the mount point (although a  
> file
> listing (ls) works). For example, a mkdir yields a "cannot create  
> directory
> '/datafs/temp': Identifier removed", and the temp dir does not exist.
> A file listing of the /datafs directory comes back complete and  
> correct,
> but if I try to ls a subdirectory it gives me the erorr "ls: /datafs/ 
> test2:
> Identifier removed".

That means your /etc/groups file is out of sync between clients and  
MDS and you
have group upcall configured
Make them to be identical as the simplest way to fix it, or refer to  
bug 14756:
https://bugzilla.lustre.org/show_bug.cgi?id=14756 for more details.


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