dchevalier
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WDS on a virtual machine is very slow
WDS on a virtual machine is very slow. We recently moved WDS to a virtual machine (Windows Server 2016) in Hyper-V. We also moved it to a virtual machine that does not contain a DHCP server. We changed DHCP to point to the new WDS server (option 66 or 67). The deployment process went from taking 45 minutes to 10 hours. We dove deep into Google looking for a solution. Changing the TFTP block size did nothing. All the other VM's seem to be running fine. Any ideas?
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Host Disk info:
RAID 6
Description Disk drive
Manufacturer (Standard disk drives)
Model DELL PERC H730 Mini SCSI Disk Device
Bytes/Sector 512
Media Loaded Yes
Media Type Fixed hard disk
Partitions 1
SCSI Bus 1
SCSI Logical Unit 0
SCSI Port 2
SCSI Target ID 1
Sectors/Track 63
Size 1.99 TB (2,184,527,439,360 bytes)
Total Cylinders 265,587
Total Sectors 4,266,655,155
Total Tracks 67,724,685
Tracks/Cylinder 255
Partition Disk #1, Partition #0
Partition Size 1.99 TB (2,184,525,643,776 bytes)
Partition Starting Offset 1,048,576 bytes
VM info:
Roles File and Storage, WDS
Startup RAM 8192 MB
Dynamic memory disabled
1 virtual processor
Bandwidth management Disabled
The images for deployment are stored in a separate partition
I apologize if this is not the info you're looking for. Please let me know if your looking for something more specific.
https://www.experts-exchange.com/questions/29123053/WDS-on-a-virtual-machine-is-very-slow.html?anchorAnswerId=42714291#a42714291
RAID 6
Description Disk drive
Manufacturer (Standard disk drives)
Model DELL PERC H730 Mini SCSI Disk Device
Bytes/Sector 512
Media Loaded Yes
Media Type Fixed hard disk
Partitions 1
SCSI Bus 1
SCSI Logical Unit 0
SCSI Port 2
SCSI Target ID 1
Sectors/Track 63
Size 1.99 TB (2,184,527,439,360 bytes)
Total Cylinders 265,587
Total Sectors 4,266,655,155
Total Tracks 67,724,685
Tracks/Cylinder 255
Partition Disk #1, Partition #0
Partition Size 1.99 TB (2,184,525,643,776 bytes)
Partition Starting Offset 1,048,576 bytes
VM info:
Roles File and Storage, WDS
Startup RAM 8192 MB
Dynamic memory disabled
1 virtual processor
Bandwidth management Disabled
The images for deployment are stored in a separate partition
I apologize if this is not the info you're looking for. Please let me know if your looking for something more specific.
https://www.experts-exchange.com/questions/29123053/WDS-on-a-virtual-machine-is-very-slow.html?anchorAnswerId=42714291#a42714291
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Virtualization
Virtualization is the act of creating a virtual (rather than actual) version of something, including (but not limited to) a virtual computer hardware platform, operating system (OS), storage device, or computer network resources. Virtualization is usually the creation of a system that executes separate from the underlying hardware resources, or the creation of an entire desktop for systems located elsewhere, similar to thin clients.
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What is the specification of the VM ?
We use WDS on virtual machine, to deploy to hundreds daily, with no issues.