Red Hat NETWORK 4.1.0 - Guia do Utilizador descarregar pdf (Página 72)

100

101

Chapter 8

Operating System Best Practices 68

global {

usage-count yes;

}

common {

protocol C;

}

resource mysql {

syncer {

rate 100M;

al-extents 257;

}

startup {

degr-wfc-timeout 120; # 2 minutes.

}

disk {

on-io-error detach;

}

device /dev/drbd0;

disk YOUR_PARTITION_DEVICE;

meta-disk internal;

on pf1_server_name {

address x.x.x.x:7788;

}

on pf2_server_name {

address y.y.y.y:7788;

}

where:

∏

mysql is the name of the partition you created when installing the OS

∏

pf1_server_name and pf2_server_name by the real server names

∏

x.x.x.x and y.y.y.y by the IP addresses dedicated to DRBD on each server (use a dedicated NIC for

this, not the main one with all the IPs)

∏

YOUR_PARTITION_DEVICE is the device to use for the MySQL partition (ie. /dev/sda2)

Then initialize the partition:

[root@pf1 ~]# drbdadm create-md mysql

Writing meta data...

initializing activity log

NOT initialized bitmap

New drbd meta data block successfully created.

success

Start DRBD on both servers:

# /etc/init.d/drbd start

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 100 101

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