Expert advice: Tier 0 storage
There are a number of ways you can deploy
solid-state in your environment. One common approach is to deploy it as a high performance tier
in a tiered
system. Tiered storage involves assigning data to different types of storage media based on the
type of data and its frequency of use. Since this is an ongoing and complicated process, it is
typically best left to "auto-tiering
storage offers considerably better performance than traditional disk, it is ideal to serve as
the top tier in a tiered storage system. Some people refer to this as "Tier 0" because it
offers better performance than the top tier in system employing traditional disk drives.
This collection of expert advice is a great place to learn more about adding solid-state as part
of a tiered storage system.
flash to arrays for improved Tier 0 performance
Find out whether adding
flash to an existing array will result in a high-performance Tier 0.
SSD to a tiered storage system
Find out whether you need to invest in new management software when adding SSD to a tiered
storage system in this Expert Answer.
data movement in Tier 0 storage
Knowing how SSD tiering software works can help you match data access characteristics of
automated tiering does trigger added work
The performance overhead of sub-volume automated tiering on SSDs is detailed in this Expert
a true page size for sub-LUN automated tiering
Sub-LUN automated tiering can maximize SSD effectiveness. Learn the importance of choosing the
right page size for sub-LUN automated tiering in this Tip.
This was first published in June 2013
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