DescriptionItem
A unique name to identify the LUN. Do not include spaces in the name.Name
An optional description to help identify the LUN.Description
Select the Compression check box to enable data compression. Compression saves storage
space and increases the speed of data transfers, but the compression and decompression
processes require additional resources. By default, the Compression check box is cleared.
Compression
Select the Continuous Protection check box to enable data protection through snapshots and
configure how often snapshots are taken. By default, the Continuous Protection check box is
selected. For more information about snapshots, see Chapter 5, Snapshots on page 109 .
Continuous
Protection
The interval specifies how often a snapshot is made.
Make a selection from the drop-down list:
Interval
•Hourly. A snapshot is taken every hour on the
hour.
•Daily. A snapshot is taken every day at midnight.
This is the default setting.
•Weekly. A snapshot is taken every week on Fri-
day at midnight.
The provision setting is provided for information only.You cannot change the provision setting
of an existing LUN.
Provision
For information about how to expand the size of an existing LUN, see Expand the Size of a
LUN on page 90.
Size
5. Click the Apply button.
6. Click the OK button.
Your changes are saved and the pop-up screen closes.
For information about how to set access right for a LUN, see LUN Groups and Access Rights on page
93.
Expand the Size of a LUN
After you create a LUN, you cannot change the provision setting (thin or thick), but you can expand the
size of the LUN.
Expansion is instant, regardless of the data size, but you must first disconnect all users that are connected
to the LUN. Disconnect access to the LUN by removing the LUN from the LUN group to which the users
have access (see Create a LUN Group on page 93).
On ReadyNAS 102, 104, and 2120 systems, individual LUNs cannot exceed 8 TB.Note:
To expand the size of a LUN:
1. Select Shares > Shares.
LUNs
90
ReadyNAS OS 6.2