Figure 12-1 Similar Shares can be Grouped in a Project.
The ZFSSA is based on the ZFS filesystem. ZFS groups underlying storage devices into pools,
and filesystems and LUNs allocate from this storage as needed. Before creating filesystems or LUNs,
you must first Chapter 5, Storage Configuration on the ZFSSA. Once a storage pool
is configured, there is no need to statically size filesystems, though this behavior can be achieved
by using Shares Space Management.
While multiple storage pools are supported, this type of configuration is generally
discouraged because it provides significant drawbacks as described in Chapter 5, Storage Configuration. Multiple pools should only be used where the performance or
reliability characteristics of two different profiles are drastically different, such as a mirrored
pool for databases and a RAID-Z pool for streaming workloads.
When multiple pools are active on a single host, the BUI will display a drop-down list in the
menu bar that can be used to switch between pools. In the CLI, the name of the current pool will be
displayed in parenthesis, and can be changed by setting the 'pool' property. If there is only a
single pool configured, then these controls will be hidden. When multiple pools are selected, the
default pool chosen by the UI is arbitrary, so any scripted operation should be sure to set the pool
name explicitly before manipulating any shares.