Storage Pool Management

Improving Performance with a Cache Storage Pool

A cache Storage Pool is a pool of solid-state drives designed to increase read and write performance on your px6-300d Network Storage. You create a cache Storage Pool and then associate a volume on a data Storage Pool to the cache pool. You can create only one cache Storage Pool on your px6-300d.

To Add a Cache Storage Pool

You first create a cache Storage Pool to begin improving performance.

1.On the Drive Management page, click Add Storage Pool.

2.In the Information section, enter a name for the cache Storage Pool.

3.To set the RAID protection, choose a value from the drop-down menu:

●JBOD

Uses all of the storage space for data, providing contiguous storage space spanning all member drives. Does not protect against data loss in the event of drive failure.

●None (RAID 0)

Uses all of the storage space for data. Does not protect against data loss in the event of drive failure.

●Mirror Stripe (RAID 10)

Uses half of the storage space for protection, leaving half for actual data. Protects data in the event of a single drive failure.

●Parity (RAID 5)

Uses the space corresponding to one drive-size for protection, leaving remaining space for storing actual data.

●Double Parity (RAID 6)

Combines six or more drives in a way that protects data against loss of any two drives.

4.Select the checkbox of the solid-state drive or drives you want to add to the cache pool. You can only designate SSDs as cache pool drives if they have not already been assigned to an existing Storage Pool. All drives in a Storage Pool must be the same size.

Typically, you create a cache Storage Pool with one solid-state drive. However, if you create a cache pool with at least two SSD drives and apply a redundant RAID protection, such as mirroring, you can prevent against data losses in the event one of the SSDs fails.

5.Check Enable periodic consistency check to enable a monthly parity or mirror consistency check.

6.Check Use for SSD Cache.

7.Click Create to add the new Storage Pool.

8.Click Cancel to discard any changes.

Assigning a Cache Pool to a Volume

After creating a cache Storage Pool, you assign a volume from a data Storage Pool to the cache pool. A cache pool can be assigned to an existing or new volume.

49 Improving Performance with a Cache Storage Pool

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Lenovo 70BG9000NA Improving Performance with a Cache Storage Pool, To Add a Cache Storage Pool, Check Use for SSD Cache
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70BG9000NA specifications

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