求助!!有关于ESX SERVER2.5 的高级设置
面对这些,真是对偶太专业,望川秋水呀~谁解释一下
Parameter Value
Cpu.BoundLagQuanta
number of global quanta before bound lag [1-100] 8
Cpu.CellMigratePeriod
milliseconds between opportunities to migrate across cells 1000
Cpu.ConsoleMinCpu
min percentage of CPU 0 to dedicate to console [0-100] 8
Cpu.ConsoleOSWarpPeriod
period in milliseconds [0-100] 20
Cpu.CreditAgePeriod
period in milliseconds [500-10000] 3000
Cpu.IdlePackageRebalancePeriod
usec between chances to rebalance idle packages (0 to disable, 100000 max) 541
Cpu.IdleSwitchOpt
idle switch optimization, 0 to disable 1
Cpu.MachineClearThreshold
machine clears per million cycles to trigger quarantine 100
Cpu.MigratePenalty
penalty in milliseconds [0-2000] 100
Cpu.MigratePeriod
milliseconds between opportunities to migrate across cpus 20
Cpu.PreemptPenalty
penalty in milliseconds [0-2000] 10
Cpu.Quantum
quantum in milliseconds [1-1000] 50
Cpu.RunnerMovePeriod
milliseconds between opportunities to move currently-running vcpu 200
Cpu.SharesPerVcpuHigh
shares per vcpu for high cpu priority [100-10000] 2000
Cpu.SharesPerVcpuLow
shares per vcpu for low cpu priority [100-10000] 500
Cpu.SharesPerVcpuNormal
shares per vcpu for normal/default cpu priority [100-10000] 1000
Cpu.SkewSampleThreshold
number of skew samples allowed before co-deschedule (0 to disable skew checking) 3
Cpu.SkewSampleUsec
interval between vsmp skew tests 500
Disk.DelayOnBusy
Delay in milliseconds for completion of commands with a BUSY status 400
Disk.MaskLUNs
LUN's to mask from kernel. Format: <adapter>:<target>:<comma separated LUN range list> [empty]
Disk.MaxLUN
Maximum number of LUNs per target that we scan for 8
Disk.MaxResetLatency
Delay in milliseconds before logging warnings and spawning new reset worlds if a reset is overdue or taking too long 2000
Disk.MaxVCNotReadyTime
The number of seconds a VC path can report NOT READY status before being declared dead 60
Disk.PathEvalTime
The number of seconds between FC path evaluations 300
Disk.ResetLatency
Delay in milliseconds between reset thread wake-ups 1000
Disk.ResetMaxRetries
Max number of bus reset retries (0=infinite) 0
Disk.ResetOnFailover
Issue a SCSI reset when failing over to an alternate HBA 0
Disk.ResetOverdueLogPeriod
Delay in seconds between logs of overdue reset 60
Disk.ResetPeriod
Delay in seconds between bus resets retries 30
Disk.ResetThreadExpires
Life in seconds of an inactive reset handle thread 1800
Disk.ResetThreadMax
Max number of reset handler threads 16
Disk.ResetThreadMin
Min number of reset handler threads 1
Disk.RetryUnitAttention
Retry all SCSI commands that return a unit attention error 1
Disk.SANDevicesWithAPFailover
SAN devices with Active/Passive Path Failover. Format: <Device Model Id>:<Device Model Id>:... [empty]
Disk.SchedNumReqOutstanding
Number of outstanding commands to a target with competing worlds 16
Disk.SchedQControlSeqReqs
Number of consecutive requests from a VM required to raise the outstanding commands to max 128
Disk.SchedQControlVMSwitches
Number of switches between commands issued by different VMs required to reduce outstanding commands to CONFIG_DISK_CIF 6
Disk.SchedQuantum
Number of consecutive requests from one World 8
Disk.SectorMaxDiff
Distance in sectors at which disk BW sched affinity stops 2000
Disk.SharesHigh
shares for high disk priority [100-10000] 2000
Disk.SharesLow
shares for low disk priority [100-10000] 500
Disk.SharesNormal
shares for normal/default disk priority [100-10000] 1000
Disk.SupportSparseLUN
Support for sparse LUNs if set to one 1
Disk.UseDeviceReset
Use device reset (instead of bus reset) to reset a SCSI device 1
Disk.UseLunReset
Use LUN reset (instead of device/bus reset) to reset a SCSI device 1
Disk.UseReportLUN
Use the REPORT LUN command to speed up scanning for devices 1
FileSystem.LockRetries
Maximum number of retries when encountering file system lock 15
FileSystem.RemoteFSEnabled
Enable remote vmfs support 0
Irq.BestVcpuRouting 1
Irq.IRQMaxLoadPct
maximum percentage of a cpu's resources that should be devoted to interrupts 70
Irq.IRQRebalancePeriod
time in ms between attempts to rebalance interrupts 500
Irq.RoutingPolicy
policy for interrupt routing, 1 for idle-routing, 2 for random, 0 to disable moving IRQs 1
Mem.AdmitHeapMin
free heap space required to power on VM, in KB [256-10240] 1024
Mem.AllocHighThreshold
Threshold (in MB) at which we start allocating memory above 4GB 768
Mem.BalancePeriod
period in seconds [1-120], 0 to disable 15
Mem.CtlMaxBSD
vmmemctl limit for BSD VM, in MB [0-1024] 256
Mem.CtlMaxLinux
vmmemctl limit for Linux VM, in MB [0-1024] 768
Mem.CtlMaxNT4
vmmemctl limit for Windows NT4 VM, in MB [0-192] 128
Mem.CtlMaxNT5
vmmemctl limit for Windows 2000 or Windows 2003 VM, in MB [0-2048] 2048
Mem.CtlMaxPercent
vmmemctl limit as percentage of VM max size [0-50] 50
Mem.IdleTax
idle memory tax rate [0-99] 75
Mem.MinFreePct
Minimum percent of memory that should be kept free 6
Mem.SamplePeriod
period in seconds [1-180], 0 to disable 60
Mem.ShareCOSBufSize
Specify number of MPNs to be used by COW P2M buffer [2-8] 2
Mem.ShareScanTotal
total page scans in pages/sec [1-10000], 0 to disable 200
Mem.ShareScanVM
per-VM page scans in pages/sec [1-1000], 0 to disable 50
Mem.SharesPerMBHigh
shares per MB for high memory priority [1-25] 20
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Mem.SharesPerMBLow
shares per MB for low memory priority [1-25] 5
Mem.SharesPerMBNormal
shares per MB for normal/default memory priority [1-25] 10
Mem.SwapAbortTimeoutMs
Swap timeout(ms) for aborting commands on a SAN[1000-1200000] 90000
Mem.SwapFileOnSAN
Enables swap files on the SAN [0-1] 1
Mem.SwapIORetry
Retry timeout for swap I/O in seconds [1-2678000], 0 to disable timeout 0
Mem.SwapShared
Set the max ref count of a swappable shared page [0-100] 2
Migrate.AllocZeroPgs
Allocate memory for zero pages on destination[0-1] 0
Migrate.Enabled
Enable hot migration support 0
Migrate.MemChksum
Checksum VM's memory while migrating 0
Migrate.MinReservation
Reserve a percentage of a cpu for use by migration helper worlds[0, 100] 30
Migrate.NetTimeout
Timeout for migration network operations 10
Migrate.PageInProgress
Time in seconds after which a pagin will be killed if there is no progress[5-1800] 15
Migrate.PageInTimeout
Time in seconds to wait for pagein to finish [10-1800] 180
Migrate.PreCopyLeftMB
Maximum modified memory left over after pre-copy is done 16
Migrate.PreCopyMinProgressMB
Minimum reduction in modified memory after a pre-copy iteration 16
Migrate.SwapExistingVMs
Force existing VMs to swapped out during an incoming VMotion[0-1] 1
Migrate.SwapIncomingPgs
Write incoming pages directly to swap when overcommitted[0-1] 1
Migrate.TSMaster
Pseudo-synchronize clocks for migration to/from this machine[0, 1] 0
Misc.BlueScreenTimeout
timeout in seconds, 0 is no timeout 0
Misc.ConsoleShareXfer
Transfer shares to console on RPC calls 1
Misc.CosCorefile
vmfs to write the Service Console core file to [must be symbolic fs name] [empty]
Misc.DebugMemEnable
Enable memory debugging, 0 to disable 0
Misc.EnableHighDMA
Enable DMA above 4GB 0
Misc.KVMapGuardUncached
use guard pages around uncached kvmap mappings, [0-1] 1
Misc.LogToFile 1
Misc.LogToSerial 1
Misc.LogWldPrefix 0
Misc.MemAdmitMapEntriesMin
free KVMap entries required to power on VM, [0-100] 30
Misc.MemMapEntriesLow
Point at which to start conserving KVMap entries, [0-1024] 200
Misc.MinimalPanic 0
Misc.ProcVerbose
option unused [empty]
Misc.PsodOnCosPanic
PSOD vmkernel on console os panic / oops [0-1] 0
Misc.SerialBaudRate 115200
Misc.SerialPort 1
Misc.TimerHardPeriod
Hard timer interrupt period in microseconds 1000
Misc.TimerMinGuestPeriod
Minimum period for guest timer callbacks in microseconds 100
Misc.VmkperfPerWorld
should performance counters be maintained per-world [0-1] 0
Net.ClusterHaltCheck
1 to check for clustered tx/rx packets on halt 1
Net.CopiesBeforeRemap
copies before remapping, 0 to disable 10
Net.DisableWatchdog
Disable network watchdog timeout handler 0
Net.MaxMallocPackets
maximum number of packets that can be allocated via the memory allocator 256
Net.MaxPrivateSKBs 256
Net.MaxRecvPackets 64
Net.NotifySwitch
Broadcasts an arp request on net handle enable [0 = disabled, 1 = enabled] 1
Net.PktsDeferXmitIntIfKeeping
defer xmit completion interrupts if this many packets still pending 6
Net.PktsPerXmitInterrupt
packets to transmit before raising completion interrupt 5
Net.ProcVerbose
verbose procfs output for networking, 0 to disable 0
Net.RXClusterCPUSamplePeriod
CPU %idle sample period (msec) [1-10000] 1000
Net.RXClusterDelayOff
weighting factor for deactivating clustering 10
Net.RXClusterDelayOn
weighting factor for activating clustering 2
Net.RXClusterDelayTDec
decrement timer freq this often 1000
Net.RXClusterDelayTInc
increment timer freq this often 0
Net.RXClusterTMaxFreq
max timer freq as a power of two [1-13] 10
Net.RXClusterTMigrateDelay
timer CPU migration intervals [1-100] 5
Net.RXClusterTMigrateThresh
timer CPU migration threshold (delta %idle) 20
Net.RXClusterTMinFreq
min timer freq as a power of two [1-13] 6
Net.RXClusterThreshOff
interrupts/sec to deactivate clustering 2000
Net.RXClusterThreshOn
interrupts/sec to activate clustering 4000
Net.RXClusterTimerCPU
which cpu to run the timer on, 0 for migratory timer 0
Net.RecvClusterDynAdjRate 50
Net.RecvClusterDynQueueMax 20
Net.RecvClusterOffCount 30
Net.RecvClusterOnCount 40
Net.RecvClusterQueueMax 10
Net.RecvClusterTimeoutCount 1
Net.RecvClusterTimeoutMS 10
Net.RecvCopyLength 200
Net.SwitchFailoverBeaconEtherType
NIC Teaming switch failover beacon Ether Type [0x6000 - 0x9000] 36864
Net.SwitchFailoverBeaconInterval
NIC Teaming switch failover beacon interval [1 - 60] 1
Net.SwitchFailoverThreshold
NIC Teaming switch failover threshold, a positive number to enable switch failover policy 2
Net.TCPIPLog
TCPIP logging, 0 to disable 0
Net.TcpSegmentationOffload
Allow TSO, 0 to disable 1
Net.VlanTrunking
1 to enable 802.1Q VLAN Tagging by vmkernel. 1
Net.XmitClusterOffCount 30
Net.XmitClusterOnCount 40
Net.XmitClusterQueueMax 10
Net.XmitClusterTimeoutCount 1
Net.XmitClusterTimeoutMS 10
Net.XmitInterruptIfStopped
raise an interrupt if a xmit packet is returned and the guest has stopped transmitting 0
Net.XmitInterruptTimeout
timeout in milliseconds to check for completed transmits 10
Net.XmitMinWinZeroCopyLen
for windows guests the minimum size of packets to try to avoid the copy 256
Net.ZeroSpeedLinkDown
Zero speed means link down, 1 to enable it 0
Numa.AutoMemAffinity
1 to set mem affinity automatically based on cpu affinity, 0 to disable 1
Numa.Debug
level of NUMA scheduler debugging information to print [0-4] 0
Numa.MigImbalanceThreshold
minimum deviation in owed ms between nodes, per second, to trigger migration 75
Numa.PageMig
1 to permit NUMASched to manipulate page migration, 0 to disallow it 1
Numa.Rebalance
1 to use NUMASched rebalancer, 0 to disallow it 1
Numa.RebalancePeriod
frequency of NUMA node rebalancing, in milliseconds 2000
Scsi.ConflictRetries
Maximum number of retries when encountering reservation conflict 4
Scsi.LogAborts
Log timing of aborted or reseted IOs 0
Scsi.LogMultiPath
Log path state changes 0
Scsi.PassthroughLocking 1