Acronyms

ccNUMA
cache coherent non uniform memory architecture
CVIP
cluster virtual IP
COTS
common off-the-shelf
HA
high availability
HBA
host bus adapter
HPC
high performance computing
MPI
message passing interface (MPICH)
MPP
massively parallel processor
MTTF
mean time to failure
MTTR
mean time to repair
NUMA
non uniform memory architecture
PVM
parallel virtual machine (PVM)
RAID
redundant array of inexpensive disks
SLA
service level agreement
SMP
shared memory multiprocessor
SPOF
single point of failure
SCSI
small computer system interface
SSI
single system image
TMR
triple modular redundancy
UMA
uniform memory architecture