September 2002
Intermediate to advanced
332 pages
11h 1m
English
Content preview from IBM eServer zSeries 900 Technical Guide
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56 IBM eServer zSeries 900 Technical Guide
2.5.5 LPAR Dynamic Storage Reconfiguration
Dynamic Storage Reconfiguration (DSR) on z900 servers allows an operating system running
in a logical partition to add nondisruptively its reserved storage amount to its configuration, if
any unused storage exists. This unused storage can be obtained when another logical
partition releases some storage, or when a concurrent memory upgrade takes place.
With enhanced DSR, the unused storage does not have to be continuous.
When an operating system running in a logical partition assigns a storage increment to its
configuration, LPAR will check if there are any free storage increments and will dynamically
bring the storage online.
LPAR will dynamically take offline ...
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