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 5. FCP-attached SCSI disks 171
The FCP adapter saves the ACT on the primary and alternate Support
Elements (SEs).
When a power on reset (POR) is performed, the ACT is read from the SE and
restored to the FICON Express card. This ensures access control remains in
effect across PORs, or in the event the card is replaced. If the primary SE is
unavailable, the ACT is restored from the alternate SE.
5.4.2 Installing the FCP LUN Access Control feature
To install the LUN Access Control feature:
1. Download the configuration utility from Resource Link.
The utility is available as an RPM package for both 31-bit (the
actcli-1.1.0.s390.rpm file) and 64-bit (the actcli-1.1.0.s390x.rpm file)
distributions. The configuration utility can be obtained ...
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