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resource "dvolume" {
device minor 1;
meta-disk internal;
net {
protocol C;
fencing resource-only;
after-sb-0pri discard-zero-changes;
after-sb-1pri discard-secondary;
after-sb-2pri disconnect;
}
handlers {
fence-peer "/usr/lib/drbd/crm-fence-peer.9.sh";
unfence-peer "/usr/lib/drbd/crm-unfence-peer.9.sh";
}
on "pcmk-1" {
node-id 0;
disk "/dev/vdb";
}
on "pcmk-2" {
node-id 1;
disk "/dev/vdb";
}
connection {
host "pcmk-1" address 10.192.6.74:7789;
host "pcmk-2" address 10.192.6.75:7789;
}
} |
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Node List: * Online: [ pcmk-1 pcmk-2 ] |
---
Если DRBD разделился на части после разрыва связи между ними (сети):
На Primary:
sudo drbdadm status
iscsi_data role:Primary
disk:UpToDate
pcmk-1 connection:StandAlone
На Secondary:
sudo drbdadm status
iscsi_data role:Secondary
disk:UpToDate
pcmk-2 connection:StandAlone
Для сборки DRBD:
На Primary:
sudo drbdadm connect dbvolume
На Secondary:
sudo drbdadm connect --discard-my-data dbvolume
---
Подключение к кластерному iSCSI-хранилищу данных
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