Step 4: Install and Configure Lattus A10 Software and NAS Services
Configuring DSS Policy
Lattus A10 Access Node Installation Guide
35
iv)
Force dispersion over racks
: Select
Yes
to have your data
spread evenly across racks in the case of a rack failure.
(Recommended.)
Make sure the durability policy is evenly divisible by the number
of racks you have (such as 20/4). If the durability policy is not
evenly divisible by the number of racks, select
No
.
v)
Force dispersion over machines
: Always select
Yes
.
5
If you are using the Lattus S3 REST interface, in addition to creating
the DSS policy, you must also do the following:
• Configure a clientdaemon to enable S3 operations
• Create an S3 user and assign a password
• Associate the policy with the user you create
For details, refer to the section called “Making Lattus S3 Ready” in
the
Lattus Service Reference Guide
.