Create DRBD Partitions on disk (Both Nodes)
The commands below assume that /dev/sdb will be used for the DRBD partition.
...
| Code Block |
|---|
fdisk -l /dev/sdb
-->
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
Disk /dev/sdb: 274.9 GB, 274877906944 bytes, 536870912 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: gpt
Disk identifier: E7FF3D92-84BB-44E1-B0B0-26150DB80639
# Start End Size Type Name
1 2048 536868863 256G Microsoft basic primary |
Install DRBD Repos (Both Nodes)
| Code Block |
|---|
rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm |
Install DRBD Modules (Both Nodes)
| Code Block |
|---|
yum -y install drbd90-utils kmod-drbd90 |
Configure DRBD (Both Nodes)
NOTE: The following commands requires the hostname of both machines and the IP Address. These are obtained as follows:
Configure DRBD
Create a DRBD config file for jtelshared on /dev/sdb:
| Code Block |
|---|
| title | /etc/drbd.d/jtelshared.res |
|---|
|
cat <<EOFF > /etc/drbd.d/jtelshared.res
resource jtelshared {
protocol C;
meta-disk internal;
device /dev/drbd1;
syncer {
verify-alg sha1;
}
net {
allow-two-primaries;
}
on acd-store1 {
disk /dev/sdb1;
address 10.4.8.71:7789;
}
on acd-store2 {
disk /dev/sdb1;
address 10.4.8.171:7789;
}
startup {
become-primary-on both;
}
}
EOFF |
Create Metadata (Both Nodes)
| Code Block |
|---|
drbdadm create-md jtelshared |
Start DRBD
