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

Robert Minvielle robert at lite3d.com
Fri Jan 30 14:46:16 PST 2009

Aha. I was searching for the wrong thing on bugzilla. I will correct
and retest. 

Thank you. 

----- Original Message -----
From: "Oleg Drokin" <Oleg.Drokin at Sun.COM>
To: "Robert Minvielle" <robert at lite3d.com>
Cc: lustre-discuss at lists.lustre.org
Sent: Friday, January 30, 2009 4:20:01 PM GMT -06:00 US/Canada Central
Subject: Re: [Lustre-discuss] lustre no longer allows reads/writes (stopped working)?


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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