Red Hat GLOBAL FILE SYSTEM 5.2 Guida di Installazione Scaricare il pdf (Pagina 20)

system options.

Usage

When creating a clustered GFS filesystem, you can use either of the following formats:

gfs_mkfs -p LockProtoName -t LockTableName -j NumberJournals BlockDevice

mkfs -t gfs -p LockProtoName -t LockTableName -j NumberJournals BlockDevice

When creating a local filesystem, you can use either of the following formats:

gfs_mkfs -p LockProtoName -j NumberJournals BlockDevice

mkfs -t gfs -p LockProtoName -j NumberJournals BlockDevice

Warning

Make sure that you are very familiar with using the LockProtoName and

LockTableName parameters. Improper use of the LockProtoName and

LockTableName parameters may cause file system or lock space corruption.

LockProtoName

Specifies the name of the locking protocol to use. The lock protocol for a cluster is

lock_dlm. The lock protocol when GFS is acting as a local file system (one node only) is

lock_nolock.

LockTableName

This parameter is specified for GFS filesystem in a cluster configuration. It has two parts

separated by a colon (no spaces) as follows: ClusterName:FSName

• ClusterName, the name of the Red Hat cluster for which the GFS file system is being

created.

• FSName, the file system name, can be 1 to 16 characters long, and the name must be

unique among all file systems in the cluster.

NumberJournals

Specifies the number of journals to be created by the gfs_mkfs command. One journal is

Chapter 3. Managing GFS

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Red Hat GLOBAL FILE SYSTEM 5.2 Guida di Installazione Pagina 20