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Hardware Requirements
Number of CPU cores
Each CHARON-AXP emulated CPU requires a corresponding physical core. So the total number of the host CPUs must exceed the number of emulated CPUs since some of the host CPUs must be dedicated to serving CHARON I/O operations and host operating system needs. If several CHARON instances run in parallel, the required number of CPU cores is cumulative.
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The following table lists the minimum and recommended number of CPUs required for each virtual HP Alpha instance (note that each CHARON instance is able to run on 2 CPU cores hosts, but this configuration does not support emulation of all the virtual CPUs):
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- depends on the amount of HP Alpha memory to be emulated and on the number of CHARON-AXP instances to be executed on one host.
is calculated according to the following formula:
The minimum host memory = (2Gb + the amount of HP Alpha memory emulated) per CHARON-AXP instance.
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Disk storage
The total amount of disk space required for CHARON-AXP can be calculated as a sum of all the disk/tape image sizes plus 50 MB for the CHARON software plus the space required for the host operating system. Temporary disk storage is often needed when setting up a new virtual machine (for source disks backups storage, software installation kits, etc...).
When virtual disks/tapes are used to represent physical disk drives / magnetic tapes, the disk/tape image files have the same size as their hardware equivalent, regardless of their degree of utilization.
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Ethernet adapters
CHARON-AXP networking requires dedicated host Ethernet adapters; their number must be equal to the emulated adapters to be configured in CHARON-AXP. One adapter (optionally) can be left to the host for TCP/IP networking, management interface, etc.
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