Pcsd-nfs: Unterschied zwischen den Versionen
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Thomas (Diskussion | Beiträge) (Die Seite wurde neu angelegt: „*pcs resource create nfsshare Filesystem device=/dev/rbd0 directory=/mnt/misc fstype=ext4 --group nfsgroup *pcs resource create nfs-daemon nfsserver nfs_shared…“) |
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| (10 dazwischenliegende Versionen desselben Benutzers werden nicht angezeigt) | |||
| Zeile 1: | Zeile 1: | ||
| − | * | + | =Vorraussetzungen= |
| − | *pcs resource | + | *Eingerichteter HA-Cluster |
| − | *pcs resource create nfs- | + | *Partitionierte Festplatte |
| − | *pcs resource create | + | |
| + | =DRBD erstellen= | ||
| + | *apt-get install drbd8-utils | ||
| + | |||
| + | ==DRBD konfigurieren== | ||
| + | '''Die folgenden Anweißungen müssen auf beiden Nodes ausgeführt werden''' | ||
| + | *vi /etc/drbd.d/nfs.res | ||
| + | <source lang=bash> | ||
| + | resource nfs { | ||
| + | protocol C; | ||
| + | meta-disk internal; | ||
| + | device /dev/drbd1; | ||
| + | syncer { | ||
| + | verify-alg sha1; | ||
| + | } | ||
| + | net { | ||
| + | allow-two-primaries; | ||
| + | } | ||
| + | on mabel.xinux.lan { | ||
| + | disk /dev/sda1; | ||
| + | address 198.19.250.1:7701; | ||
| + | } | ||
| + | on ryzen.xinux.lan { | ||
| + | disk /dev/sda1; | ||
| + | address 198.19.250.2:7701; | ||
| + | } | ||
| + | } | ||
| + | </source> | ||
| + | ===drbd-laufwerk erstellen=== | ||
| + | *drbdadm create-md nfs | ||
| + | <source lang=bash> | ||
| + | initializing activity log | ||
| + | NOT initializing bitmap | ||
| + | Writing meta data... | ||
| + | New drbd meta data block successfully created. | ||
| + | </source> | ||
| + | ===drbd-Laufwerk hochfahren=== | ||
| + | *modprobe drbd | ||
| + | *drbdadm up nfs | ||
| + | |||
| + | ===Diesen Rechner als primär verwenden=== | ||
| + | |||
| + | '''Die folgenden Befehle müssen nur auf der Node ausgeführt werden, die später die primäre Node sein soll''' | ||
| + | |||
| + | *drbdadm primary --force nfs | ||
| + | |||
| + | ===Dateisystem erstellen=== | ||
| + | *mkfs.ext4 /dev/drbd1 | ||
| + | |||
| + | ==Resourcen anlegen== | ||
| + | ===in der Datei drbd_cfg zwischenspeichern=== | ||
| + | *pcs cluster cib drbd_cfg | ||
| + | ===Die Resource für das Master/Slave-Setup erstellen=== | ||
| + | *pcs -f drbd_cfg resource create nfs-drbd ocf:linbit:drbd drbd_resource=nfs op monitor interval=60s | ||
| + | *pcs -f drbd_cfg resource master nfs-drbd-clone nfs-drbd master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 notify=true | ||
| + | ===Aus der Datei drbd_cfg in cib übernehmen=== | ||
| + | *pcs cluster cib-push drbd_cfg | ||
| + | |||
| + | =NFS erstellen= | ||
| + | ==NFS Install== | ||
| + | *apt-get install nfs-kernel-server | ||
| + | |||
| + | ==Resource für NFS-IP erstellen== | ||
| + | *pcs resource create nfs-ip IPaddr2 ip=10.82.100.100 cidr_netmask=16 | ||
| + | |||
| + | ==Resource für Mount erstellen== | ||
| + | *pcs resource create nfs-data Filesystem device="/dev/drbd1" directory="/mnt/misc/" fstype="ext4" | ||
| + | |||
| + | ==Resource für NFS-Server erstellen== | ||
| + | *pcs resource create nfs-Server systemd:nfs-kernel-server op monitor interval=”30s” | ||
| + | |||
| + | =Abhängigkeiten und Reihenfolge anpassen= | ||
| + | *pcs constraint colocation add nfs-ip with master nfs-drbd-clone INFINITY | ||
| + | *pcs constraint colocation add nfs-data with master nfs-drbd-clone INFINITY | ||
| + | *pcs constraint colocation add nfs-server with master nfs-drbd-clone INFINITY | ||
| + | *pcs constraint order promote nfs-drbd-clone then start nfs-ip | ||
| + | *pcs constraint order start nfs-ip then start nfs-data | ||
| + | *pcs constraint order start nfs-data then start nfs-server | ||
| + | *pcs constraint show | ||
| + | <pre> | ||
| + | Location Constraints: | ||
| + | Resource: nfs-drbd-clone | ||
| + | Enabled on: mabel (score:INFINITY) (role: Master) | ||
| + | Resource: nfs-ip | ||
| + | Enabled on: mabel (score:INFINITY) (role: Started) | ||
| + | Ordering Constraints: | ||
| + | promote nfs-drbd-clone then start nfs-ip (kind:Mandatory) | ||
| + | start nfs-ip then start nfs-data (kind:Mandatory) | ||
| + | start nfs-data then start nfs-server (kind:Mandatory) | ||
| + | Colocation Constraints: | ||
| + | nfs-ip with nfs-drbd-clone (score:INFINITY) (with-rsc-role:Master) | ||
| + | nfs-data with nfs-drbd-clone (score:INFINITY) (with-rsc-role:Master) | ||
| + | nfs-server with nfs-drbd-clone (score:INFINITY) (with-rsc-role:Master) | ||
| + | </pre> | ||
| + | |||
| + | =Ergebnis= | ||
| + | *pcs status | ||
| + | <pre> | ||
| + | Cluster name: kvm-cluster | ||
| + | Last updated: Thu Sep 21 09:48:09 2017 Last change: Wed Sep 20 19:31:16 2017 by root via crm_attribute on mabel | ||
| + | Stack: corosync | ||
| + | Current DC: ryzen (version 1.1.14-70404b0) - partition with quorum | ||
| + | 2 nodes and 9 resources configured | ||
| + | |||
| + | Online: [ mabel ryzen ] | ||
| + | |||
| + | Full list of resources: | ||
| + | |||
| + | Master/Slave Set: nfs-drbd-clone [nfs-drbd] | ||
| + | Masters: [ mabel ] | ||
| + | Slaves: [ ryzen ] | ||
| + | nfs-ip (ocf::heartbeat:IPaddr2): Started mabel | ||
| + | nfs-data (ocf::heartbeat:Filesystem): Started mabel | ||
| + | nfs-server (systemd:nfs-kernel-server): Started mabel | ||
| + | |||
| + | PCSD Status: | ||
| + | mabel: Online | ||
| + | ryzen: Online | ||
| + | |||
| + | Daemon Status: | ||
| + | corosync: active/disabled | ||
| + | pacemaker: active/enabled | ||
| + | pcsd: active/enabled | ||
| + | </pre> | ||
Aktuelle Version vom 25. September 2017, 13:45 Uhr
Vorraussetzungen
- Eingerichteter HA-Cluster
- Partitionierte Festplatte
DRBD erstellen
- apt-get install drbd8-utils
DRBD konfigurieren
Die folgenden Anweißungen müssen auf beiden Nodes ausgeführt werden
- vi /etc/drbd.d/nfs.res
resource nfs {
protocol C;
meta-disk internal;
device /dev/drbd1;
syncer {
verify-alg sha1;
}
net {
allow-two-primaries;
}
on mabel.xinux.lan {
disk /dev/sda1;
address 198.19.250.1:7701;
}
on ryzen.xinux.lan {
disk /dev/sda1;
address 198.19.250.2:7701;
}
}
drbd-laufwerk erstellen
- drbdadm create-md nfs
initializing activity log
NOT initializing bitmap
Writing meta data...
New drbd meta data block successfully created.
drbd-Laufwerk hochfahren
- modprobe drbd
- drbdadm up nfs
Diesen Rechner als primär verwenden
Die folgenden Befehle müssen nur auf der Node ausgeführt werden, die später die primäre Node sein soll
- drbdadm primary --force nfs
Dateisystem erstellen
- mkfs.ext4 /dev/drbd1
Resourcen anlegen
in der Datei drbd_cfg zwischenspeichern
- pcs cluster cib drbd_cfg
Die Resource für das Master/Slave-Setup erstellen
- pcs -f drbd_cfg resource create nfs-drbd ocf:linbit:drbd drbd_resource=nfs op monitor interval=60s
- pcs -f drbd_cfg resource master nfs-drbd-clone nfs-drbd master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 notify=true
Aus der Datei drbd_cfg in cib übernehmen
- pcs cluster cib-push drbd_cfg
NFS erstellen
NFS Install
- apt-get install nfs-kernel-server
Resource für NFS-IP erstellen
- pcs resource create nfs-ip IPaddr2 ip=10.82.100.100 cidr_netmask=16
Resource für Mount erstellen
- pcs resource create nfs-data Filesystem device="/dev/drbd1" directory="/mnt/misc/" fstype="ext4"
Resource für NFS-Server erstellen
- pcs resource create nfs-Server systemd:nfs-kernel-server op monitor interval=”30s”
Abhängigkeiten und Reihenfolge anpassen
- pcs constraint colocation add nfs-ip with master nfs-drbd-clone INFINITY
- pcs constraint colocation add nfs-data with master nfs-drbd-clone INFINITY
- pcs constraint colocation add nfs-server with master nfs-drbd-clone INFINITY
- pcs constraint order promote nfs-drbd-clone then start nfs-ip
- pcs constraint order start nfs-ip then start nfs-data
- pcs constraint order start nfs-data then start nfs-server
- pcs constraint show
Location Constraints:
Resource: nfs-drbd-clone
Enabled on: mabel (score:INFINITY) (role: Master)
Resource: nfs-ip
Enabled on: mabel (score:INFINITY) (role: Started)
Ordering Constraints:
promote nfs-drbd-clone then start nfs-ip (kind:Mandatory)
start nfs-ip then start nfs-data (kind:Mandatory)
start nfs-data then start nfs-server (kind:Mandatory)
Colocation Constraints:
nfs-ip with nfs-drbd-clone (score:INFINITY) (with-rsc-role:Master)
nfs-data with nfs-drbd-clone (score:INFINITY) (with-rsc-role:Master)
nfs-server with nfs-drbd-clone (score:INFINITY) (with-rsc-role:Master)
Ergebnis
- pcs status
Cluster name: kvm-cluster
Last updated: Thu Sep 21 09:48:09 2017 Last change: Wed Sep 20 19:31:16 2017 by root via crm_attribute on mabel
Stack: corosync
Current DC: ryzen (version 1.1.14-70404b0) - partition with quorum
2 nodes and 9 resources configured
Online: [ mabel ryzen ]
Full list of resources:
Master/Slave Set: nfs-drbd-clone [nfs-drbd]
Masters: [ mabel ]
Slaves: [ ryzen ]
nfs-ip (ocf::heartbeat:IPaddr2): Started mabel
nfs-data (ocf::heartbeat:Filesystem): Started mabel
nfs-server (systemd:nfs-kernel-server): Started mabel
PCSD Status:
mabel: Online
ryzen: Online
Daemon Status:
corosync: active/disabled
pacemaker: active/enabled
pcsd: active/enabled