[Lustre-discuss] mounting an OST from another node attached to a fibre channel switch

2008-08-14 Thread Ron
Hi, We have set up a couple of test systems where the OSTs are mounted on the same node as the MDT. The OSTs are LUNS on a SATA Beast controller accessible from multiple systems attached to a fibre channel switch,. We would like to umount an OST from the MDT system and mount it on another system.

Re: [Lustre-discuss] mounting an OST from another node attached to a fibre channel switch

2008-08-14 Thread Klaus Steden
Yes. There is an entry in the manual on this topic. You'll have to stop Lustre and update the MGS configuration, but it's a pretty quick operation. cheers, Klaus On 8/14/08 2:29 PM, "Ron" <[EMAIL PROTECTED]>did etch on stone tablets: > Hi, > We have set up a couple of test systems where the OST

Re: [Lustre-discuss] mounting an OST from another node attached to a fibre channel switch

2008-08-15 Thread Ron
Which section of which manual? Please. I.e are you talking about: Part No. 820-3681-10 Lustre manual version: Lustre_1.6_man_v1.10 December 2007 4.2.3.2 Running the Writeconf Command and/or 4.2.3.3 Changing a Server NID Our MGS is not changing nodes, but the OSTs are. Is there really just one si

Re: [Lustre-discuss] mounting an OST from another node attached to a fibre channel switch

2008-08-15 Thread Klaus Steden
Yes. The MGS contains all the configuration information for the file system it serves, including the locations and network paths for all the MDS and OSS nodes within the file system. What you want to do is tell the MGS that your OSS(es) have been moved to new addresses and have it update its rec