Changes between Version 15 and Version 16 of Doc/gLite/TemplateCustomization

Timestamp:

Jan 5, 2007, 11:26:56 PM (19 years ago)

Author:

/C=FR/O=CNRS/OU=UMR8607/CN=Michel Jouvin/emailAddress=jouvin@…

Comment:

--

Doc/gLite/TemplateCustomization

@@ -158 +158 @@
 
 
+== Shared File Systems ==
+
+It is recommended to use a shared file system mounted (at least) on CE and WNs for VO software areas. It is also sometimes convenient to use a shared file system for VO pool accounts (this is more or less a requirement to run MPI jobs). Currently, QWG templates support the use of NFS shared file systems. Configuration is done by the following variables : 
+
+ * `WN_NFS_AREAS` : a nlist with one entry per file system that must be NFS mounted on worker nodes (key is the escaped file system mount point). Value for each entry is the name of the NFS server and optionaly the path on the NFS server if different from the path on the worker node.
+ * `NFS_AUTOFS` : when true, use `autofs` to mount NFS file systems on NFS clients. This is the recommended setting, as this is the only one to avoid complex inter-dependency in startup order. But for backward compatibility, default value is false.
+
+File systems listed in this variable are mounted on CE and WNs. The NFS server for the file systems can be a CE, a SE or any other machines that includes `machine-types/nfs`.
+
 == LCG CE Configuration ==
 
@@ -173 +182 @@
 
  * `CE_QUEUES` : a nlist with one entry per queue (key is the queue name). For each queue, the value itself is a nlist. One mandatory key is `attr` and defines the queue parameters (`qmgr set queue` options). Another optional key is `vos` and is used to explicitly define the VOs which have access to the queue (by default, only the VO with the same name as the queue has access). Look at [source:templates/trunk/grid/lcg-2.7.0/site/pro_lcg2_config_site.tpl pro_lcg2_config_site.tpl] example for an example on how to define one queue for each supported VO.
-
- * `WN_NFS_AREAS` : a nlist with one entry per file system that must be NFS mounted on worker nodes (key is the escaped file system mount point). Value for each entry is the name of the NFS server and optionaly the path on the NFS server if different from the path on the worker node.
 
  * `WN_ATTRS` : this variable is a nlist with one entry per worker node (key is the escaped node fullname). Each value is a set of PBS/Torque attribute to set on the node. Value value are any `key=value` supported by `qmgr set server` command. One useful value is `status=offline` to cause a specific node to drain or `status=online` to reenable the node. Just suppressing `status=offline` is not enough to reenable the node. One specific entry in `WN_ATTRS` is `DEFAULT` : this entry is applied to any node that doesn't have a specific entry.