Red Hat CLUSTER SUITE FOR ENTERPRISE LINUX 5.1 Guía de instalación descargar pdf (Pagina 167)

In this example, the /d ev/csmb_vg /csmb_l v file system will be mounted at /mnt/gfs2 on all

nodes. This mount point must match the value that you specify as the location of the share directory

with the path = option in the /etc/samba/smb.co nf file, as described in Section 11.5, “ Samba

Configuration” .

To create the file system to host the CTDB state information on the logical volume

/d ev/csmb_vg /ctd b_l v, execute the following command:

[root@ clusmb-01 ~]# mkfs. g fs2 -j3 -p l o ck_d l m -t csmb: ctd b_state

/d ev/csmb_vg /ctd b_l v

Note that this command specifies a different lock table name than the lock table in the example that

created the filesystem on /d ev/csmb_vg /csmb_l v. This distinguishes the lock table names for the

different devices used for the file systems.

The output of the mkfs. g fs2 appears as follows:

This will destroy any data on /dev/csmb_vg/ctdb_lv.

It appears to contain a gfs2 filesystem.

Are you sure you want to proceed? [y/n] y

Device:

/dev/csmb_vg/ctdb_lv

Blocksize: 4096

Device Size 1.00 GB (262144 blocks)

Filesystem Size: 1.00 GB (262142 blocks)

Journals: 3

Resource Groups: 4

Locking Protocol: "lock_dlm"

Lock Table: "csmb:ctdb_state"

UUID:

BCDA8025-CAF3-85BB-B062-CC0AB8849A03

In this example, the /d ev/csmb_vg /ctd b_l v file system will be mounted at /mnt/ctd b on all

nodes. This mount point must match the value that you specify as the location of the . ctd b. l o ck

file with the C T D B_R EC O VER Y _LO C K option in the /etc/sysco nfi g /ctd b file, as described in

Section 11.4, “CTDB Configuration” .

11.4. CT DB Configurat ion

The CTDB configuration file is located at /etc/sysco nfi g /ctd b. The mandatory fields that must

be configured for CTD B operation are as follows:

C T D B_NO D ES

C T D B_P UBLIC_AD D R ESSES

C T D B_R EC O VER Y _LO C K

C T D B_MANAG ES_SAMBA (must be enabled)

C T D B_MANAG ES_WINBIND (must be enabled if running on a member server)

The following example shows a configuration file with the mandatory fields for CTDB operation set

with example parameters:

⁠Chapt er 1 1 . Clust ered Samba Con fig urat ion

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Red Hat CLUSTER SUITE FOR ENTERPRISE LINUX 5.1 Guía de instalación Pagina 167