May 22, 2015 asvignesh 1Comment

VSS hardware provider can be initiate and test using DiskShadow Commands

Open the Powershell and Enter Diskshadow

PS C:\Users\Administrator> diskshadow
Microsoft DiskShadow version 1.0
Copyright (C) 2013 Microsoft Corporation
On computer: WIN-VigneshDev, 5/22/2015 12:06:35 AM

DISKSHADOW>

List the Hardware Providers

DISKSHADOW> list providers

* ProviderID: {74600e39-7dc5-4567-a03b-f091d6c7b092}
Type: [2] VSS_PROV_SOFTWARE
Name: Hyper-V IC Software Shadow Copy Provider
Version: 1.0.0.0
CLSID: {3e02620c-e180-44f3-b154-2473646e4cb8}

* ProviderID: {89300202-3cec-4981-9171-19f59559e0f2}
Type: [4] VSS_PROV_FILESHARE
Name: Microsoft File Share Shadow Copy provider
Version: 1.0.0.1
CLSID: {fce59da7-7bac-40da-8d21-3e7311ba51cd}

* ProviderID: {b57190af-4567-4dd0-ad8d51abd60b20d5
Type: [3] VSS_PROV_HARDWARE
Name: Vignesh Test Provider
Version: 6.2.9200.16384

* ProviderID: {b5946137-7b9f-4925-af80-51abd60b20d5}
Type: [1] VSS_PROV_SYSTEM
Name: Microsoft Software Shadow Copy provider 1.0
Version: 1.0.0.7
CLSID: {65ee1dba-8ff4-4a58-ac1c-3470ee2f376a}

* ProviderID: {f782463b-33bb-4043-ad8d-60b728d26a6c}
Type: [2] VSS_PROV_SOFTWARE
Name: Acronis VSS SW Provider
Version: 1.0
CLSID: {79079d5c-ef20-4952-b9fc-cfd443b38641}

Number of providers registered: 5

Create a Backup

DISKSHADOW> reset

DISKSHADOW> begin backup

DISKSHADOW> set context persistent

DISKSHADOW> set metadata c:\mybackup.cab

DISKSHADOW> add volume e: provider {b57190af-4567-4dd0-ad8d51abd60b20d5

DISKSHADOW> create

 

Alias VSS_SHADOW_1 for shadow ID {dd6b24e7-dc42-4957-98c7-40c8ec45c74a} set as environment variable.
Alias VSS_SHADOW_SET for shadow set ID {61543fac-53b3-4435-acc9-5e86344e61a4} set as environment variable.

Querying all shadow copies with the shadow copy set ID {61543fac-53b3-4435-acc9-5e86344e61a4}

* Shadow copy ID = {dd6b24e7-dc42-4957-98c7-40c8ec45c74a} %VSS_SHADOW_1%
– Shadow copy set: {61543fac-53b3-4435-acc9-5e86344e61a4} %VSS_SHADOW_SET%
– Original count of shadow copies = 1
– Original volume name: \\?\Volume{ac7b6cbf-fd72-11e4-80c0-00155d007080}\ [E:\]
– Creation time: 5/22/2015 1:07:29 AM
– Shadow copy device name: \\?\Volume{ac7b6cdc-fd72-11e4-80c0-00155d007080}
– Originating machine: WIN-VigneshDev
– Service machine: WIN-VigneshDev
– Not exposed
– Provider ID: {b57190af-4567-4dd0-ad8d51abd60b20d5
– Attributes: No_Auto_Release Persistent Hardware

Number of shadow copies listed: 1

DISKSHADOW> end backup

Expose and Unexpose the Shadow Copy

DISKSHADOW> expose %VSS_SHADOW_1% h:
-> %VSS_SHADOW_1% = {dd6b24e7-dc42-4957-98c7-40c8ec45c74a}
The shadow copy was successfully exposed as h:\.

 

DISKSHADOW> unexpose %VSS_SHADOW_1%
-> %VSS_SHADOW_1% = {dd6b24e7-dc42-4957-98c7-40c8ec45c74a}
Shadow copy ID {dd6b24e7-dc42-4957-98c7-40c8ec45c74a} is no longer exposed.

Reset

It is a good to start the operation of the DishShadow commands with the reset command

Verbose

Admin can Log the results to a text file for further analysis using dishshadow command with l parameter, l is the short form of log

diskshadow -l c:\diskshadowlog.txt

This diskshadow log would contain all the context commands executed and the result displayed on the screen

VSSTrace

The VSStrace is the tracing utility a logman tool, which is available in the Microsoft Windows Software Development Kit
Note: it requires admin privilege

cd C:\Program Files (x86)\Windosetws Kits\8.0\bin\x64
vsstrace.exe -o c:/trace.txt

Create a Transportable Backup

PS C:\Users\Administrator> diskshadow -l c:\diskshadowlog.txt
Microsoft DiskShadow version 1.0
Copyright (C) 2013 Microsoft Corporation
On computer: WIN-VigneshDev, 5/22/2015 1:17:26 AM

DISKSHADOW> set context persistent

DISKSHADOW> set option transportable

DISKSHADOW> begin backup

DISKSHADOW> set metadata c:\myTrasnportableBackup.cab

DISKSHADOW> add volume e: provider {b57190af-4567-4dd0-ad8d51abd60b20d5

DISKSHADOW> create
Alias VSS_SHADOW_1 for shadow ID {9ea76fc8-92d7-4695-be32-408dd56be5dd} set as environment variable.
Alias VSS_SHADOW_SET for shadow set ID {1c6f7d42-8a43-4717-abb6-fc9e598b53e4} set as environment variable.

DISKSHADOW> end backup

 

More explanation and description will be update in the same post

Software developer experience in building storage management and Data protection software for the Private and public cloud.

Disclaimer :

This is a personal weblog. The opinions expressed here represent my own and not those of my employer. my thoughts and opinions change from time to time… This weblog is intended to provide a semi-permanent point in time snapshot and manifestation of the various memes running around my brain, and as such any thoughts and opinions expressed within out-of-date posts may not the same, nor even similar, to those I may hold today.

One thought on “Backup Disk : Vss Hardware Provider using Disk Shadow

  1. I need to to thank you for this excellent read!! I definitely enjoyed every bit of it.
    I’ve got you bookmarked to check out new things you post…

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