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BYOB Episode 70

Started By jmwills, Dec 29 2011 06:41 AM

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#1 jmwills

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Posted 29 December 2011 - 06:41 AM

Yes I am a little behind on my podcast listening, but I was interested in the USB pass through discussion. My new server is a 2008R2 box with HyperV enabled. One of the VM's is my stateside WHS 2011 server. The host has an external 1TB USB attached that is passed through to the 2011 server as client backups, Works fine.



The way I listened to the podcast was that people were having issues doing this....is this correct?



Great discussion on Virtualization..I've been headed that way for a couple of years now. I am amazed how much the little i3 can do with my current build. Cannot wait to get my hands on all the boxes and consolidate everything,
Windows 7 Desktop - Antec 100 Case, Intel D8H67BL, OCZ 550W PSU, Intel i3-530 CPU w/16GB G-Skill DDR3 1333 RAM
Server 2012 - Fractal Arc Midi, CoolerMaster M600 PSU, ASUS P8H67V, Intel i5-2500 CPU w/32GBG-Skill DDR3 1333 RAM, 90 GIG OCZ SSD OS Drive – Roles: Hyper-V (WHS-SharePoint-DC-SQL-Exchange-WSE 2012), Print Server - Rocket RAID 2720 5x2TB
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#2 ImTheTypeOfGuy

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Posted 29 December 2011 - 07:13 AM

I have not tried it personally but yes, many people have had trouble passing USB through.
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#3 ikon

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Posted 29 December 2011 - 12:05 PM

I too have not tried it, but the way I heard it is people could only get it to work if they used a 3rd party ($$) utility that works with Server 2008.

If at first you don't succeed, do it like your mother told you.

#4 jmwills

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Posted 29 December 2011 - 12:38 PM

No tools needed...just a setting change. Basically what you do is take the drive offline in the host and in the Hyper V client you add a SCSI device corresponding to that device from the host, the Drive is then dedicated to the client as a physical device.

I may have to make a video tutorial on this.
Windows 7 Desktop - Antec 100 Case, Intel D8H67BL, OCZ 550W PSU, Intel i3-530 CPU w/16GB G-Skill DDR3 1333 RAM
Server 2012 - Fractal Arc Midi, CoolerMaster M600 PSU, ASUS P8H67V, Intel i5-2500 CPU w/32GBG-Skill DDR3 1333 RAM, 90 GIG OCZ SSD OS Drive – Roles: Hyper-V (WHS-SharePoint-DC-SQL-Exchange-WSE 2012), Print Server - Rocket RAID 2720 5x2TB
HTPC Build - Silverstone GD05 Case, ASUS P7H55-M PRO, CoolerMaster M600W PSU, Intel i3-530 CPU w/4GB G-Skill DDR3 1333 RAM. OCZ 60GB SSD Drive for the OS with a 120GB WD 2.5" Blue drive for data storage.
Travel Laptop: Dell XPSL502X 15.6"

#5 ikon

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Posted 29 December 2011 - 12:51 PM

No tools needed...just a setting change. Basically what you do is take the drive offline in the host and in the Hyper V client you add a SCSI device corresponding to that device from the host, the Drive is then dedicated to the client as a physical device.

I may have to make a video tutorial on this.


Interesting. I do the same thing for SATA connections that I want to use for SpinRite VM's. In fact, I forgot about the offline bit the last time I was setting up to SR 3 drives. Took me a minute to realize why I wasn't seeing the drives in the VM's :) Didn't realize it works with USB too; it was the bit I thought didn't work with USB, so good to know.

If at first you don't succeed, do it like your mother told you.

#6 timekills

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Posted 29 December 2011 - 01:49 PM

A little clarity here; the challenge is not in getting a VM to use/see a USB attached hard drive. That works with eSata/USB/etc if you offline and add as IDE or SCSI drive (as mentioned by jmwills) just like any other drive. The challenge is in it appearing as a USB attached device. Short of a USB over network solution (of which the software trial at http://www.usb-over-network.com/ works fantastically for making a WHS 2011 restore USB from a WHS 2011 VM) there hasn't been a way to get the VM to recognize the device as a USB attached device.

This might not be a problem for spindle disks if you're just trying to get the VM to recognize the storage. It is a problem when you are trying to get a USB thumb drive recognized as such IOT make a specialized boot device (i.e. WHS 2011 restore drive or Linux ISO USB boot) and/or USB attached/monitored devices such as an UPS.

#7 ikon

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Posted 29 December 2011 - 02:00 PM

Thanks timekills; that really does clarify it.

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#8 jmwills

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Posted 29 December 2011 - 05:02 PM

That's what was stumping me....but I'll give the other a try tonight too.
Windows 7 Desktop - Antec 100 Case, Intel D8H67BL, OCZ 550W PSU, Intel i3-530 CPU w/16GB G-Skill DDR3 1333 RAM
Server 2012 - Fractal Arc Midi, CoolerMaster M600 PSU, ASUS P8H67V, Intel i5-2500 CPU w/32GBG-Skill DDR3 1333 RAM, 90 GIG OCZ SSD OS Drive – Roles: Hyper-V (WHS-SharePoint-DC-SQL-Exchange-WSE 2012), Print Server - Rocket RAID 2720 5x2TB
HTPC Build - Silverstone GD05 Case, ASUS P7H55-M PRO, CoolerMaster M600W PSU, Intel i3-530 CPU w/4GB G-Skill DDR3 1333 RAM. OCZ 60GB SSD Drive for the OS with a 120GB WD 2.5" Blue drive for data storage.
Travel Laptop: Dell XPSL502X 15.6"

#9 no-control

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Posted 29 December 2011 - 11:35 PM

I thought I mentioned that I take drives offline and use the scsi to get them VM to see it....maybe that was Rich's RPG???
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