May 2011
Intermediate to advanced
626 pages
15h 3m
English
book
Implementing the IBM Storwize V7000
by Brian Cartwright, Ronda Hruby, Daniel Koeck, Xin Liu, Massimo Rosati, Thomas Vogel, Bill Wiegand, Jon Tate
Content preview from Implementing the IBM Storwize V7000
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Chapter 10. Easy Tier 351
10.3.4 Data Migrator
The Data Migrator (DM) process involves scheduling and the actual movement or migration
of the volume’s extents up to, or down from, the high disk tier. The extent migration rate is
capped so that a maximum of up to 15 MBps is migrated. This rate equates to around 2 TB a
day that will be migrated between disk tiers (Figure 10-4).
Figure 10-4 Easy Tier Data Migrator
10.3.5 Easy Tier operating modes
IBM Storwize V7000 offers three operating modes for Easy Tier:
Easy Tier - OFF (See “Easy Tier - OFF” on page 351.)
Evaluation Mode (See “Evaluation Mode” on page 351.)
Auto Data Placement Mode (See “A ...
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