Guest operating system Windows vCPU to report / memory?
I attended estimate requirments CPU and virtual memory for multiple servers after a P2V. We have gathered some data on performance and ran some calculations based on these data for swag potential needs.
Someone has looked one of the server (2 vCPU 2 GB memory) estimates and said that configuration would be dragging the system down? I remember that ignoring a similar comment to him in the past. His statement is that 2 GB was not enough memory? It was just a general statement and was not based on a specific case.
Has anyone ever heard of better practical value of cpu/memory for VMS. I think his thought will in the sense that if you have 2 vCPU you must at least X amount of memory. If at least 2 X 4 vCPU. Not these ratios accurate but, this type of rule. I only heard it indirectly, so I haven't got him asked what he's still talking.
Has anyone ever heard talk about something like that?
As a general rule do not provide more RAM or CPU of the VM really needs. There is no report. If the load of the machine by means of tests said the process running 2 GB of RAM requires a 2 CPU then this is what you should use. If the virtual machine uses only 512 MB of RAM and a processor to additional resources are lost.
Tags: VMware
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The VM startup slow down, delay long before the guest operating system begins startup
Evaluation of VMWare to set up the VM for the maintenance of the software. Set up a virtual machine, install Windows 7 SP1 32-bit, everything works well. Once started, the performance is excellent.
The symptom is that when you start the virtual machine, either starting from cold boot or suspend, there is a significant delay before the power of VMware on / start screen is displayed. Once it appears, the operating system starts starting (or the recovery of wakefulness) quickly and performance is normal after that. During the start-up period, the whole system is insensitive, host and guest operating system.
See the extract of newspaper below to 09:54:28.619 moment where the delay occurs followed by the entry concerning 09:55:11.625 time when start continues, a delay of 43 seconds during which nothing seems to happen and the system does not respond. After that, everything is fast.
Any ideas or suggestions?
More info...
VMware Player version 6.0.1 build-1379776
Host PC: Dell Optiplex, Intel Core2 Quad Q9650 3.00 GHz ABLE to
Installed memory: 4.00 GB (3.25 GB usable)
Boot disk C: Intel SSD, 180GB (where the VMware is installed)
Data disk F: Seagate 1 TB (where the virtual machine)
SE host: Windows 7 Professional 32-bit SP1
Guest OS: Windows 7 Professional 32-bit SP1
excerpt from VMware.log:
2014 02-19 T 09: 54:28.619 - 05:00 | VMX | I120: VMMEM: initial booking: 1442MB (1024MB = MainMem)
2014 02-19 T 09: 54:28.619 - 05:00 | VMX | I120: MemSched_PowerOn: minGuestSize ball 104857 (80% size required min 131072)
2014 02-19 T 09: 54:28.619 - 05:00 | VMX | I120: MemSched: mem reserved (in MB) min max recommended 128 2493 2493
2014 02-19 T 09: 54:28.619 - 05:00 | VMX | I120: PShare: activated 1 1 Adaptive scanRate [16, 400]
2014 02-19 T 09: 54:28.619 - 05:00 | VMX | I120: MemSched: mem 5159 262144 np 35890 pg 590258 anon
2014 02-19 T 09: 55:11.625 - 05:00 | VMX | I120: MemSched: numvm 1 locked pages: num 0 max 605661
2014 02-19 T 09: 55:11.626 - 05:00 | VMX | I120: MemSched: locked Page limit: host 638514 config 638208 dynam 613853
2014 02-19 T 09: 55:11.626 - 05:00 | VMX | I120: MemSched: minmempct 50 minalloc 0 admitted 1
2014 02-19 T 09: 55:11.626 - 05:00 | VMX | W110: NUMA: application of automatic dimensioning VM ignored
configuration (.vmx) VM file:
. Encoding = "windows-1252".
config.version = '8 '.
virtualHW.version = "10".
scsi0. Present = 'TRUE '.
scsi0.virtualDev = "lsisas1068".
SATA0. Present = 'TRUE '.
memsize = "1024".
MEM.hotadd = 'TRUE '.
scsi0:0. Present = 'TRUE '.
scsi0:0. FileName = "BCDEVVM.vmdk".
SATA0:1.present = 'TRUE '.
SATA0:1.filename = "E:".
SATA0:1.DeviceType = "cdrom-raw"
ethernet0. Present = 'TRUE '.
ethernet0. ConnectionType = "bridged".
ethernet0.virtualDev = "e1000".
ethernet0.wakeOnPcktRcv = "FALSE".
ethernet0. AddressType = 'generated '.
USB. Present = 'TRUE '.
EHCI. Present = 'TRUE '.
ehci.pciSlotNumber = "35".
Sound.Present = 'TRUE '.
sound.virtualDev = 'hdaudio '.
sound.fileName = 'speakers (SoundMAX Integrated D.
Sound.AutoDetect = "FALSE".
MKS. Enable3D = 'TRUE '.
Serial0.present = 'TRUE '.
Serial0.FileType = "thinprint".
pciBridge0.present = 'TRUE '.
pciBridge4.present = 'TRUE '.
pciBridge4.virtualDev = "pcieRootPort"
pciBridge4.functions = '8 '.
pciBridge5.present = 'TRUE '.
pciBridge5.virtualDev = "pcieRootPort"
pciBridge5.functions = '8 '.
pciBridge6.present = 'TRUE '.
pciBridge6.virtualDev = "pcieRootPort"
pciBridge6.functions = '8 '.
pciBridge7.present = 'TRUE '.
pciBridge7.virtualDev = "pcieRootPort"
pciBridge7.functions = '8 '.
vmci0. Present = 'TRUE '.
hpet0. Present = 'TRUE '.
usb.vbluetooth.startConnected = "FALSE".
displayName = "BCDEVVM."
guestOS = "windows7"
NVRAM = "BCDEVVM.nvram."
virtualHW.productCompatibility = "hosted".
gui.exitOnCLIHLT = "FALSE".
powerType.powerOff = 'soft '.
powerType.powerOn = 'soft '.
powerType.suspend = 'soft '.
powerType.reset = 'soft '.
extendedConfigFile = "BCDEVVM.vmxf".
gui.lastPoweredViewMode = "full screen".
UUID. BIOS = "56 4 d d2 32 bb c9 b7 bd 3 c d2 46 59 38 e3 e6 f2"
UUID. Location = "56 4 d d2 32 bb c9 b7 bd 3 c d2 46 59 38 e3 e6 f2"
Replay.Supported = "FALSE".
Replay.FileName = «»
scsi0:0. Redo = «»
pciBridge0.pciSlotNumber = "17".
pciBridge4.pciSlotNumber = "21".
pciBridge5.pciSlotNumber = "22".
pciBridge6.pciSlotNumber = "23".
pciBridge7.pciSlotNumber = "24".
scsi0.pciSlotNumber = "160".
usb.pciSlotNumber = "32".
ethernet0.pciSlotNumber = "33".
sound.pciSlotNumber = "34".
vmci0.pciSlotNumber = '36 '.
SATA0.pciSlotNumber = "37".
scsi0.sasWWID = "50 05 05 62 bb c9 b7 b0.
ethernet0.generatedAddress = "00: 0C: 29:E6:38:E3.
ethernet0.generatedAddressOffset = '0 '.
vmci0.ID = "1508260067".
vmotion.checkpointFBSize = "134217728.
cleanShutdown = 'TRUE '.
softPowerOff = 'TRUE '.
USB:1.speed = '2 '.
USB:1.present = 'TRUE '.
USB:1.DeviceType = "hub".
USB:1.port = "1".
USB:1.parent = "-1".
SATA0:1.AutoDetect = "FALSE".
tools.syncTime = "FALSE".
unity.wasCapable = "FALSE".
tools.remindInstall = "FALSE".
toolsInstallManager.updateCounter = '1 '.
checkpoint.vmState = «»
Monitor.virtual_mmu = "automatic".
Monitor.virtual_exec = "automatic".
USB:0. Present = 'TRUE '.
USB:0. DeviceType = 'hidden '.
USB:0.port = "0".
USB:0.parent = "-1".
USB. Generic.AutoConnect = "FALSE".
serial1. Present = 'TRUE '.
serial1. FileName = "COM1".
floppy0. Present = "FALSE".
Hello
I know what you want to say as I've seen sometimes as well. But especially on older hardware or if there are problems with regard to particular resources. For example I saw this on an ESX host (yes I know product different) where there was a problem with the storage not enough providing IOPS / s.
I saw also this on older versions of Linux (IIRC 7) workstation where the host had an Atom based CPU, there I updated to more RAM and a more recent version of the workstation and the problem disappeared.
Then I also saw it on the 4/5 merger when my host operating system was out of memory and I tried to start another operating system to prompt anyway.
I do not consider a normal behavior for the slow start and does not respond, it is an indication that the hypervisor is seeking some resources, but does not receive them fast enough.
The reasons can be many. Indeed things like antivirus could be biting you if she tries to analyze all files (including virtual disks) at their opening.
FWIW, I also understand the support response as would be expected if your host is a bit thin on the resources (for example, trying to start a VM 1 GB on a host Win7 with only 3.5 GB of RAM) and if the virtual machine runs OK after the initial startup delay, it's mostly just an annoyance.
--
Wil
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