January 2006
Intermediate to advanced
226 pages
6h 11m
English
book
Linux for IBM System z9 and IBM zSeries
by Gregory Geiselhart, Robert Brenneman, Eli Dow, Klaus Egeler, Torsten Gutenberger, Bruce Hayden, Livio Sousa
Content preview from Linux for IBM System z9 and IBM zSeries
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Chapter 6. Using ECKD storage 191
To use PAV with Linux for zSeries:
The volume must reside on a storage server that supports PAV.
Linux must run as a z/VM guest (Linux running in an LPAR does not support
PAV ).
A mutipath tool (such as LVM, mdadm, or EVMS) must be used to prevent
data inconsistency when using PAV.
6.4.1 Defining PAV devices
PAV devices must first be defined in the IOCDS, and configured in the ESS (for
details, refer to IBM TotalStorage Enterprise Storage Server Model 800,
SG24-6424). In Figure 6-2, C70D is defined as base devices, and C7C8 and
C7C9 are defines as alias devices. The relevant IOCDS statements are in
Example ...
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