Red Hat GLOBAL FILE SYSTEM 5.2 Guia de Instalação descarregar pdf (Página 41)

File

Specifies the file where the directio flag is assigned.

Example

In this example, the command sets the directio flag on the file named datafile in directory

/mnt/gfs.

gfs_tool setflag directio /mnt/gfs/datafile

The following command checks whether the directio flag is set for /mnt/gfs/datafile. The

output has been elided to show only the relevant information.

[root@tng3-1 gfs]# gfs_tool stat /mnt/gfs/datafile

mh_magic = 0x01161970

...

Flags:

directio

8.3. GFS Directory Attribute

The gfs_tool command can be used to assign (set) a direct I/O attribute flag,

inherit_directio, to a GFS directory. Enabling the inherit_directio flag on a directory

causes all newly created regular files in that directory to automatically inherit the directio flag.

Also, the inherit_directio flag is inherited by any new subdirectories created in the directory.

The inherit_directio flag can also be cleared.

Usage

Setting the inherit_directio flag

gfs_tool setflag inherit_directio Directory

Clearing the inherit_directio flag

gfs_tool clearflag inherit_directio Directory

GFS Directory Attribute

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Red Hat GLOBAL FILE SYSTEM 5.2 Guia de Instalação Página 41