Read/write DCE LFS filesets are created with the fts create command. The fts create command is used to create only DCE LFS filesets; non-LFS filesets are created by exporting and mounting non-LFS partitions (as described in Exporting Non-LFS Partitions).
Before creating a read/write DCE LFS fileset, select a site for the fileset. A site is an aggregate on the File Server machine where the fileset is to reside. If necessary, issue the fts aggrinfo command to make sure the aggregate you choose has enough space to accommodate the fileset. (See Managing Filesets for a detailed description of the fts aggrinfo command.)
You specify a fileset's name when you create it with the fts create command. A fileset's name should describe the fileset's contents; for example, the name user.terry describes a fileset that contains data for the user terry. A fileset name must also be unique within the local cell. It can be no greater than 102 characters in length, and it must contain at least one alphabetic character or an _ (underscore). (See Fileset Names for more information on fileset naming conventions.)
The fts create command
· Creates a single FLDB entry for the read/write fileset and for any potential read-only and backup versions of the fileset.
· Allocates a fileset ID number for the read/write fileset. It also reserves ID numbers for the read-only and backup versions of the fileset in anticipation of their creation.
· Assigns the name that you specify to the fileset.
· Sets the FLDB site flag for the read/write fileset to valid, and sets the site flags for the read-only and backup filesets to invalid because they do not yet exist.
· Creates a fileset header at the site File Server machine and aggregate that you designate as the location of the fileset.
· Creates an empty root directory in the fileset. This directory becomes visible when the fts crmount command is used to mount the fileset.
· Records null ACLs as the default for use by the root directory of the fileset. Note that due to the interaction between UNIX mode bits and ACLs, the directory has a set of implicit initial ACLs that grant permissions to different users and groups. (See Using ACLs and Groups for information about the interaction between ACLs and UNIX mode bits and for suggestions for initial ACLs.)
· Assigns a default quota of 5000 kilobytes to the fileset.
The following topics describe the steps involved in creating a read/write DCE LFS fileset. After creating a read/write DCE LFS fileset with the fts create command, use the fts crmount command to create a mount point for the fileset. The mount point makes the contents of the fileset visible in the DCE namespace. You can use the fts setquota command to alter the fileset's default quota of 5000 kilobytes, and you can use the dcecp acl modify command to modify the default ACLs of the fileset's root directory.
Once a read/write fileset is created, you can create read-only and backup copies of the read/write fileset. The following sections provide detailed information about creating read-only and backup DCE LFS filesets.
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Creating and Mounting a Read/Write Fileset