Disk Load Balancing, Fault Tolerance, and Configuration Limits for NonStop Systems

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Glossary
Acronym Meaning
CLIM Cluster I/O Machine.
DP2 Disk Process 2. The IOP used for disk devices.
DP2 FM The File Management part of the DP2 process.
ESS Enterprise Storage System.
F-PIC Fiber Plug-In Card. Used with an SNDA adapter.
FCDM Fibre Channel Disk Module. Contains disk drives.
FCSA Fibre Channel ServerNet Adapter.
FRU Field Replaceable Unit.
HP XP The model name of a Hewlett Packard ESS product.
IOAME I/O Adapter Module Enclosure. Contains adapters like the FCSA.
IOMF I/O Multi-Function adapter.
IOP I/O Process.
MSA70 Modular Smart Array 70. Contains disk drives.
PMF Processor Multi-Function adapter.
RVU Release Version Update.
S-PIC SCSI Plug-In Card. Used with an SNDA adapter.
SAC ServerNet Addressable Controller.
SAS Serial Attached SCSI. An I/O protocol.
SCF Subsystem Control Facility.
SCS ServerNet Connection Services. Product number T8456.
SCSI Small Computer System Interface. An I/O protocol.
SNDA ServerNet Device Adapter.