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This commit is contained in:
David Young
2020-06-03 15:36:14 +12:00
parent 88f782c60d
commit 4e0c863979
3 changed files with 85 additions and 5 deletions
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10
manuscript/ha-docker-swarm/shared-storage-gluster.md
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@@ -82,6 +82,7 @@ From the node, run
```gluster peer probe <other host>```
Example output:
```
[root@glusterfs-server /]# gluster peer probe ds1
peer probe: success.
@@ -91,6 +92,7 @@ peer probe: success.
Run ```gluster peer status``` on both nodes to confirm that they're properly connected to each other:
Example output:
```
[root@glusterfs-server /]# gluster peer status
Number of Peers: 1
@@ -105,7 +107,8 @@ State: Peer in Cluster (Connected)
Now we create a *replicated volume* out of our individual "bricks".
Create the gluster volume by running
Create the gluster volume by running:
```
gluster volume create gv0 replica 2 \
server1:/var/no-direct-write-here/brick1 \
@@ -113,6 +116,7 @@ gluster volume create gv0 replica 2 \
```
Example output:
```
[root@glusterfs-server /]# gluster volume create gv0 replica 2 ds1:/var/no-direct-write-here/brick1/gv0 ds3:/var/no-direct-write-here/brick1/gv0
volume create: gv0: success: please start the volume to access data
@@ -134,7 +138,6 @@ From one other host, run ```docker exec -it glusterfs-server bash``` to shell in
### Mount gluster volume
On the host (i.e., outside of the container - type ```exit``` if you're still shelled in), create a mountpoint for the data, by running ```mkdir /var/data```, add an entry to fstab to ensure the volume is auto-mounted on boot, and ensure the volume is actually _mounted_ if there's a network / boot delay getting access to the gluster volume:
```
mkdir /var/data
MYHOST=`hostname -s`
@@ -144,7 +147,8 @@ echo "$MYHOST:/gv0 /var/data glusterfs defaults,_netde
mount -a
```
For some reason, my nodes won't auto-mount this volume on boot. I even tried the trickery below, but they stubbornly refuse to automount.
For some reason, my nodes won't auto-mount this volume on boot. I even tried the trickery below, but they stubbornly refuse to automount:
```
echo -e "\n\n# Give GlusterFS 10s to start before \
mounting\nsleep 10s && mount -a" >> /etc/rc.local