search for: ldlm

...nts of STL (tentatively) > C-policy track usage statistics 250 and use them to decide when to ask for a STL S-policy track usage statistics 250 and use them to decide when to grant a STL S-LDLM new lock type, etc 100 C-S-STL split split STL into STLs of subdirs on callback 1000 Persistent STL store subtree lock on persistent storage 2000 S-path revalidation with STL access to ".." requires special...

...debug This gives ne following error error: ''portals.debug'' is an unknown key cat /proc/sys/lnet/debug gives output: ioctl neterror warning error emerg ha config console cat /proc/sys/lnet/subsystem_debug undefined mdc mds osc ost class log llite rpc lnet lnd pinger filter echo ldlm lov lmv sec gss mgc mgs fid fld manual says that in order to set reasonable production debug level one need to put numeric value into debug files like below: echo 0x3f0400 > /proc/sys/lnet/debug Will this work under lustre 1.6.3 or maybe it is old reference from 1.4 release and there is new...

...to store both file layouts >> as attributes of objects in a redirection layer in the client. These >> layouts would be obtained from the MDS cluster, see (iv) >> >> ii. We decided that locks would be taken in a hierarchical manner - >> the flash cache would run a LDLM and locks would be taken there. >> >> iii. Correctness would be handled automatically through the >> hierarchy. >> > > > >> However, to avoid a lot of reading "write only locks" used >> when entire pages are written are probably d...

Hi, I''m seeing what can only be described as dismal striped write performance from lustre 1.6.3 clients :-/ 1.6.2 and 1.6.1 clients are fine. 1.6.4rc3 clients (from cvs a couple of days ago) are also terrible. the below shows that the OS (centos4.5/5) or fabric (gigE/IB) or lustre version on the servers doesn''t matter - the problem is with the 1.6.3 and 1.6.4rc3 client kernels