Selecting a boot drive for Hyper-V 2012 server - is a boot drive performance important?
I'm setting up a new Hyper-V 2012 server dedicated to virtualization and I'm trying to determine the best choice for the boot drive.
I have 2x250gb SSD drives i'm considering for storage pools for VM's
I have an old 80GB SATA drive
I'm wondering how important the primary boot drive is in a Win 2012 Hyper-V setup. I can partition one of the SSD's to provide a boot partition, or I can just dedicate the 80GB SATA.
What do you think would be a better choice?
Edit: A more precise question, why not partition the SSD for boot? Is there any benefit for separating the disks for boot vs just the partition?
Thanks,
Deco
Hello,
I hope you are having a great day!
What resources are available to you? If you have hardware RAID, it would be best to configure the SSD drives for RAID 1 (mirrored) and run everything from that. This will provide you fault tolerance in the case of a drive failure.
If hardware RAID is not available to you, then definitely use the 80GB SATA drive as the OS Boot Drive, without a hardware RAID for the OS disks you will have a single point of failure no matter what disks you use. Yes with SATA drive the system will boot
up slower :-( , but that is about the only negative.
This will also enable you to leave the SSD's as RAW un-formatted disks which can then be configured in a Storage Pool with mirroring if you wish and then have the VHD's reside there.
Absolutely, dedicate the SSD's for the placement of the Virtual Machines Config and Vhd/Vhdx Files.
For absolute best performance results use VHDX Fixed disks for maximum performance.
Dynamically expanding VHDX will have a minor almost unnoticeable performance hit (depending on the purpose of the VM) and help ensure that the amount of hard disk space the VHDX file is occupying is kept to a minimum. An example of degradation in performance
would become noticeable if for instance, the VM is being used as a file repository and users are constantly uploading files.
The bottom line is, if you don't have hardware RAID for the OS you always have a single point of failure, so hope for the best and keep great backups.
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Thanks for the reply!
Yes, all disk space is on the host, I have 2 hosts running Hyper V each with their own set of virtual servers, I am planning a cluster in the near future, but for now all disk space for all virtual server are on the host, there is more than enough disk space
left on all drives. Please below output from command, I only posted first few lines as there are to many lines.
Shadow Copy ID: {17e38390-dcb5-4ac4-9f43-62bc1a4c1dc2}
Original Volume: (C:)\\?\Volume{f7e4a444-a922-11e2-93e8-806e6f6e6963}\
Shadow Copy Volume: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy709
Originating Machine: ELAPNS02.AMentis.local
Service Machine: ELAPNS02.AMentis.local
Provider: 'Microsoft Software Shadow Copy provider 1.0'
Type: ClientAccessible
Attributes: Persistent, Client-accessible, No auto release, No writers,
Differential
Contents of shadow copy set ID: {f938ba80-7641-457c-8297-863bf8419aba}
Contained 1 shadow copies at creation time: 29/08/2014 07:00:12
Shadow Copy ID: {44657104-c8bc-44ee-b8cb-b0469601531d}
Original Volume: (C:)\\?\Volume{f7e4a444-a922-11e2-93e8-806e6f6e6963}\
Shadow Copy Volume: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy713
Originating Machine: ELAPNS02.AMentis.local
Service Machine: ELAPNS02.AMentis.local
Provider: 'Microsoft Software Shadow Copy provider 1.0'
Type: ClientAccessible
Attributes: Persistent, Client-accessible, No auto release, No writers,
Differential
Contents of shadow copy set ID: {e9cb6a0c-973d-4ff5-9877-0c81ab74dc80}
Contained 1 shadow copies at creation time: 29/08/2014 12:00:16
Shadow Copy ID: {4f824796-3dd1-498a-947c-5747e25d7ebc}
Original Volume: (C:)\\?\Volume{f7e4a444-a922-11e2-93e8-806e6f6e6963}\
Shadow Copy Volume: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy716
Originating Machine: ELAPNS02.AMentis.local
Service Machine: ELAPNS02.AMentis.local
Provider: 'Microsoft Software Shadow Copy provider 1.0'
Type: ClientAccessible
Attributes: Persistent, Client-accessible, No auto release, No writers,
Differential
Contents of shadow copy set ID: {2f02b69b-1244-40bc-984b-f4488887d10d}
Contained 1 shadow copies at creation time: 01/09/2014 07:00:01
Shadow Copy ID: {8d039039-51ac-4cbf-be0a-4defb989a22c}
Original Volume: (C:)\\?\Volume{f7e4a444-a922-11e2-93e8-806e6f6e6963}\
Shadow Copy Volume: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy843
Originating Machine: ELAPNS02.AMentis.local
Service Machine: ELAPNS02.AMentis.local
Provider: 'Microsoft Software Shadow Copy provider 1.0'
Type: ClientAccessible
Attributes: Persistent, Client-accessible, No auto release, No writers,
Differential
Contents of shadow copy set ID: {55b3d33e-a347-46cd-bf39-686acd7329ab}
Contained 1 shadow copies at creation time: 01/09/2014 12:00:01
Shadow Copy ID: {1239354e-3037-42b1-802c-27e1187c13b1}
Original Volume: (C:)\\?\Volume{f7e4a444-a922-11e2-93e8-806e6f6e6963}\
Shadow Copy Volume: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy846
Originating Machine: ELAPNS02.AMentis.local
Service Machine: ELAPNS02.AMentis.local
Provider: 'Microsoft Software Shadow Copy provider 1.0'
Type: ClientAccessible
Attributes: Persistent, Client-accessible, No auto release, No writers,
Differential
Contents of shadow copy set ID: {813607c5-5d31-41b3-8b1c-5f89ef2e5b0b}
Contained 1 shadow copies at creation time: 02/09/2014 07:00:12
Shadow Copy ID: {0e1350a7-3fec-48fb-8fcb-d035dbfb001c}
Original Volume: (C:)\\?\Volume{f7e4a444-a922-11e2-93e8-806e6f6e6963}\
Shadow Copy Volume: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy850
Originating Machine: ELAPNS02.AMentis.local
Service Machine: ELAPNS02.AMentis.local
Provider: 'Microsoft Software Shadow Copy provider 1.0'
Type: ClientAccessible
Attributes: Persistent, Client-accessible, No auto release, No writers,
Differential
Contents of shadow copy set ID: {ec206fef-a325-41c9-90b5-c4c6de3f94a8}
Contained 1 shadow copies at creation time: 02/09/2014 12:00:19
Shadow Copy ID: {aea06cae-f88f-4941-bc33-4ca62bf3380f}
Original Volume: (C:)\\?\Volume{f7e4a444-a922-11e2-93e8-806e6f6e6963}\
Shadow Copy Volume: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy853
Originating Machine: ELAPNS02.AMentis.local
Service Machine: ELAPNS02.AMentis.local
Provider: 'Microsoft Software Shadow Copy provider 1.0'
Type: ClientAccessible
Attributes: Persistent, Client-accessible, No auto release, No writers,
Differential
Contents of shadow copy set ID: {45820935-e5c4-47a5-9979-0df9187194c8}
Contained 1 shadow copies at creation time: 03/09/2014 07:00:01
Shadow Copy ID: {8b14fdd6-2f2b-4cad-93b8-391c1d913cb3}
Original Volume: (C:)\\?\Volume{f7e4a444-a922-11e2-93e8-806e6f6e6963}\
Shadow Copy Volume: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy854
Originating Machine: ELAPNS02.AMentis.local
Service Machine: ELAPNS02.AMentis.local
Provider: 'Microsoft Software Shadow Copy provider 1.0'
Type: ClientAccessible
Attributes: Persistent, Client-accessible, No auto release, No writers,
Differential
Contents of shadow copy set ID: {52277c29-ce5c-4c59-bfd4-9174b4870a02}
Contained 1 shadow copies at creation time: 03/09/2014 12:00:17
Shadow Copy ID: {199611ca-ec3f-435f-828e-bc1748b02bf9}
Original Volume: (C:)\\?\Volume{f7e4a444-a922-11e2-93e8-806e6f6e6963}\
Shadow Copy Volume: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy858
Originating Machine: ELAPNS02.AMentis.local
Service Machine: ELAPNS02.AMentis.local
Provider: 'Microsoft Software Shadow Copy provider 1.0'
Type: ClientAccessible
Attributes: Persistent, Client-accessible, No auto release, No writers,
Differential
Contents of shadow copy set ID: {1dfaeb8b-3726-4f08-8582-5fec43bd6b37}
Contained 1 shadow copies at creation time: 04/09/2014 07:00:01
Shadow Copy ID: {d6ae9b1a-41ef-4db5-9c44-581ee7d7192d}
Original Volume: (C:)\\?\Volume{f7e4a444-a922-11e2-93e8-806e6f6e6963}\
Shadow Copy Volume: \\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy859
Originating Machine: ELAPNS02.AMentis.local
Service Machine: ELAPNS02.AMentis.local
Provider: 'Microsoft Software Shadow Copy provider 1.0'
Type: ClientAccessible
Attributes: Persistent, Client-accessible, No auto release, No writers,
Differential
Juan Krynie -
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http://msdn.microsoft.com/en-us/windows/hardware/gg463243.aspx
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Good afternoon.
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http://blogs.msdn.com/b/virtual_pc_guy/archive/2010/11/19/time-synchronization-in-hyper-v.aspx
http://technet.microsoft.com/en-us/library/virtual_active_directory_domain_controller_virtualization_hyperv(v=ws.10).aspx
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. : | : . : | : . tim -
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Mac OS X 10.6: Reinstalling Mac OS X
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Raamesh Keerthi N JHi,
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Elton Ji
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This could give you some more links to read about https://discussions.apple.com/message/20726927#20726927 -
Driver for 40Y8686 CD-RW/DVD-ROM Combo II Drive
For the life of me, I cannot find this driver for download from the web site. Any pointers would be GREATLY appreciated!
My Dvd drive cames without and AC Power adapter, it suppose that only needs one USB 2.0 port (no external power adapter is required for read/write operations when it is connected to a single USB 2.0 port on ThinkPad notebooks, the drive can be powered directly through the USB cable whe it´s connected to a USB 2.0 port, and optional 5V AC adapter can be used fir USB 1.0 or 1.1). My notebook its a lenovo x201, its compatible?. I need to buy and AC Power adapter?
Thank you very much for your help.
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