Datacentre – classifications

Tier Level Requirements 1 Single non-redundant distribution path serving the IT equipment Non-redundant capacity components Basic site infrastructure guaranteeing 99.671% availability 2 Fulfils all Tier 1 requirements Redundant site infrastructure capacity components guaranteeing 99.741% availability 3 Fulfils all Tier 1 & Tier 2 requirements Multiple independent distribution paths serving the IT equipment All IT equipment[…]

Copying a filesystem with Veritas

Copying a filesystem with Veritas This procedure is to create an exact copy of a Veritas filesystem. You will need enough spare disks in your volume group, and ideally anything using the filesystem should be killed. create a mirror

Disassociate the new plex

Make a new volume with the free plex


VxVM – Volume Management

Volume Management Add a volume (Normal UFS mounted filesystem)

Remove a volume

Increase a volume