OSTs are also identified by a file on each OST's filesystem called "last_rcvd". 

To rename the OSTs you need to change the name in the xml file and also on the 
OST itself. 

See this article for more info on how to do this-

https://mail.clusterfs.com/wikis/lustre/LustreDebugging#head-61cc172832262284f7e960e8e1d49eac9202ae46


-Aaron

-----Original Message-----
From: [EMAIL PROTECTED] on behalf of Smith, Ken
Sent: Tue 11/21/2006 11:14 AM
To: [email protected]
Subject: [Lustre-discuss] OST Identification
 
For Lustre 1.4.7.x, are OSTs identified solely by the order in which
they appear in the xml configuration file?  In other words, would it be
possible to arbitrarily rename OSTs as long as the order in which they
were added to the xml configuration file by lmc was preserved (including
failover ordering, etc)?

Cheers,
Ken Smith

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