Matrix Snippets

How to use Matrix Snippet as Global keyword.

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Moving Postgresql data

So the volume attached to the EC2 instance where I was running a test instance of Squiz Matrix ran out of room.
Luckily this proved to be pretty straight forward:

1. using AWS web console, create a new volume and attach it to my instance (while instance is shutdown) - the new volume is attached as /dev/sdb
2. start up the instance, ssh in and format new volume: mkfs.ext3 /dev/sdb
3. mkdir mount point, eg /pgdata
4. vim /etc/fstab, adding:
   /dev/sdb        /pgdata         ext3    defaults        1 1
5. mount /pgdata
6. chown postgres:postgres /pgdata/
7. refer to this handy blog post
8. service postgresql stop
9. cp -R /var/lib/pgsql/data /pgdata/
10. Wait...
11. vim /etc/init.d/postgresql  and setting PGDATA to /pgdata
12. service postgresql start