December 2011
Intermediate to advanced
426 pages
13h 30m
English
book
Power Systems Enterprise Servers with PowerVM Virtualization and RAS
by Dino Quintero, JinHoon Baek, Guillermo Diez, Hassan Elsetohy, Debra Francis, Bing He, Rajesh Jeyapaul, Anil Kalavakolanu, Tejaswini Kaujalgi, David Kgabo, Ricardo Puig, Vani Ramagiri
Content preview from Power Systems Enterprise Servers with PowerVM Virtualization and RAS
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92 Power Systems Enterprise Servers with PowerVM Virtualization and RAS
CAA communication
Communication between nodes within the cluster is achieved using multicasting over the
IP-based network and also using storage interface communication through FC and
serial-attached SCSI (SAS) adapters.
CAA monitoring (nodes, networks, and storage):
– All monitors are implemented at low levels of the AIX kernel and are largely insensitive
to system load.
– All communication interfaces are monitored: network and storage.
CAA device-naming services:
– When a cluster is defined or modified, AIX interfaces automatically create a consistent
shared device view.
– When managed by Cluster Aware AIX, device files that are associated with the disks
shared across ...
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