IBM Storwize V5030 User Manual

442 Implementing the IBM Storwize V5000 Gen2 with IBM Spectrum Virtualize V8.1
򐂰 Cold demote
Coldest extent moves to a lower tier.
򐂰 Expanded or cold demote
Demote appropriate sequential workload to the lowest tier to better use nearline
bandwidth.
򐂰 Swap
This operation exchanges a cold extent in a higher tier with a hot extent in a lower tier or
vice versa.
Figure 9-3 shows the Easy Tier extent migration.
Figure 9-3 Easy Tier actions
Note: Extent migrations occur only between adjacent tiers within the same pool.

IBM Storwize V5030 Specifications

General

Model	IBM Storwize V5030
Category	Storage
Controller Enclosures	1 or 2
Maximum Drives	240
RAID Levels	0, 1, 5, 6, 10
Virtualization	Yes
Data Compression	Yes
Maximum Hosts	512
Form Factor	2U
Drive Types	SAS, NL-SAS, SSD
Host Interface	8 Gb FC, 16 Gb FC, 10 Gb iSCSI, 12 Gb SAS
Processor Cores	8 per controller