HP StorageWorks XP Cluster Extension Software Administrator Guide (T1656-96035, April 2010)

split-brain
syndrome
A state of data corruption that can occur if a cluster is re-formed as subclusters
of nodes at each site, and each subcluster assumes authority, starting the same
set of applications and modifying the same data.
SPOCK Single Point of Connectivity Knowledge website. SPOCK is the primary portal
used to obtain detailed information about supported HP StorageWorks product
configurations.
SPOF Single point of failure.
S-VOL Secondary or remote volume. The copy volume that receives the data from the
primary volume.
SVP Service processor. A notebook computer built into the disk array. The SVP
provides a direct interface to the disk array and used only by the HP service
representative.
TMSCSI Target mode SCSI.
UAC User account control.
UCF User configuration file.
VCS VERITAS Cluster Server.
volume On the XP array, a volume is a uniquely identified virtual storage device
composed of a control unit (CU) component and a logical device (LDEV)
component separated by a colon. For example 00:00 and 01:00 are two
uniquely identified volumes; one is identified as CU = 00 and LDEV = 00, and
the other as CU = 01 and LDEV = 00; they are two unique separate virtual
storage devices within the XP array.
,
VSC Volume size customization. Also known as CVS.
VM Virtual Machine.
XP Business Copy
Software
HP StorageWorks XP Business Copy Software. XP Business Copy Software lets
you maintain up to nine local copies of logical volumes on the disk array.
XP Continuous
Access Software
HP StorageWorks XP Continuous Access Software. XP Continuous Access Software
lets you create and maintain duplicate copies of local logical volumes on a
remote disk array.
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