Novell LINUX ENTERPRISE SERVER 10 SP3 - ARCHITECTURE-SPECIFIC, Administration Manual

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Installing and Managing DRBD Services 123
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9.5.3 TCP Port 7788
If your system is unable to connect to the peer, this also may be a problem of a local firewall. By
default, DRBD uses the TCP port 7788 to access the other node. Make sure that this port is
accessible on both nodes.
9.5.4 The --do-what-i-say Option
The --do-what-i-say option has been renamed to --overwrite-data-of-peer in the recent versions of
DRBD.
9.6 Additional Information
Š
Section 9.6.1, “Open Source Resources,” on page 123
Š
Section 9.6.2, “HeartBeat2,” on page 123
Š
Section 9.6.3, “Script for Configuring the /etc/drbd.conf File,” on page 123
9.6.1 Open Source Resources
The following open-source resources are available for DRBD:
Š
The following man pages for DRBD are available in the distribution:
drbd(8)
drbddisk(8)
drbdsetup(8)
drbdadm(8)
drbd.conf(5)
Š
DRBD.org (http://www.drbd.org)
Š
DRBD references at the Linux High-Availability Project (http://linux-ha.org/DRBD) by the
Linux High-Availability Project
9.6.2 HeartBeat2
For information about installing and configuring HeartBeat 2 for SUSE
®
Linux Enterprise Server
10, see the HeartBeat 2 Installation and Setup Guide (http://www.novell.com/documentation/
sles10/hb2/data/hb2_config.html) on the Novell Documentation Web site for SUSE Linux
Enterprise Server 10 (http://www.novell.com/documentation/sles10) .
9.6.3 Script for Configuring the /etc/drbd.conf File
The
add_drbd_resource.sh
(http://pronetworkconsulting.com/linux/scripts/
add_drbd_resource.html) script can be used to add DRBD resource entries into the
/etc/
drbd.conf
file. It attempts to read entries from the the existing file and provide default values for
additional entries. It can also be used to create the first entry in the file.