VMware GSX Server 3 Administration Guía de instalación descargar pdf (Pagina 427)

C H A P T E R 1 2 VMware ESX Server Resource Management

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Reading from this file reports the number of disk bandwidth shares allocated to the

virtual machine identified by <id> for the disk identified by vmhba<x:y:z>. It also

reports disk usage statistics.

Writing a number <n> to this file changes the number of disk bandwidth shares

allocated to the virtual machine identified by <id> to <n>. The valid range of values

for <n> is 0 to 100000. Or, you may use the special values low, normal and high.

These values are automatically converted into numbers, through the configuration

options DiskSharesLow, DiskSharesNormal and DiskSharesHigh,

described in this section.

/proc/vmware/config/DiskSchedNumReqOutstanding

This option specifies the number of outstanding commands allowed to a disk when

there are multiple virtual machines competing for bandwidth. The default value is 16;

the valid range of numeric values is from 1 to 256. Note that selecting a number

larger than 16 may affect the ability of ESX Server to provide fair allocation of disk

bandwidth.

/proc/vmware/config/DiskSchedQuantum

This option specifies the number of sequential requests that a virtual machines may

issue to a disk, without being preempted by another virtual machine. The default

value is 8; the valid range of numeric values is from 1 to 64.

/proc/vmware/config/DiskSharesLow

This option specifies the a numerical value for the low shares value. By default, this

number is 500.

/proc/vmware/config/DiskSharesNormal

This option specifies the a numerical value for the normal shares value. By default, this

number is 1000.

/proc/vmware/config/DiskSharesHigh

This option specifies the a numerical value for the high shares value. By default, this

number is 2000.

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VMware GSX Server 3 Administration Guía de instalación Pagina 427