Phil Schwan
2006-May-19 07:36 UTC
[Lustre-discuss] How do I add additional OST''s in production
Gary McElwee wrote:> > Our testing is progressing well with multiple systems acting as mds, > clients and ost machines. Now we are ready to keep the entire cluster up > and running, and as required we would like to add another (ost) machine > with more disk and contribute to the lov we have up and running. Can I > accomplish this without bringing everything down and starting the > cluster again.In Lustre 1.0.x, OSTs can only be added offline. You will have to shut down the file system, add the OST to the end of the list, regenerate the configuration, and remount. Online OST addition is on the way. Unfortunately, this is currently made more troublesome by issue 2264 (https://bugzilla.lustre.org/show_bug.cgi?id=2264). The configuration logs are stored on the metadata server, and this bug prevents them from being cleanly overwritten when the configuration is changed. If you need a workaround for issue 2264 until it''s fixed, let me know. Thanks-- -Phil
Gary McElwee
2006-May-19 07:36 UTC
[Lustre-discuss] How do I add additional OST''s in production
Our testing is progressing well with multiple systems acting as mds, clients and ost machines. Now we are ready to keep the entire cluster up and running, and as required we would like to add another (ost) machine with more disk and contribute to the lov we have up and running. Can I accomplish this without bringing everything down and starting the cluster again. -- Thank You, Gary McElwee www.scopular.com gary@scopular.com Ph (302) 584-7599 Fax (801) 761-6403