IBM DS8882F Introduction And Planning Manual page 119

Table 48. Comparison of data migration options (continued)
Type Example
UNIX or cpio, cplv, dd, tar, backup
Windows restore; copy, scopy,
Commands xcopy, drag and drop
Remote Copy Synchronous Mirror
(Metro Mirror);
Asynchronous Mirroring
(Global Mirror and
Global Copy)
Third-party Data Migration (XoSoft);
software Backup /Restore (Tivoli
packages Legato, Veritas)
Third-party IBM SAN Volume
migration Controller, DataCore
appliances SANsymphony
Advantages
Common, easy to
use, tested
Operating system
independent
Some have little
®
, application service
interruption,
standard utilities
Multiple
heterogeneous
storage venders
supported; migration
cycles that are
offloaded to
appliance
Chapter 8. Data migration
Disadvantages
Length of service
interruption varies;
scripting prone to
errors and more
testing
Like storage device
types needed
Cost of software;
some have high
application service
interruption
Cost of migration
appliance / service,
application
disruption to install
/ remove appliance
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