إضغط لتفاصيل الإعلانات



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  1. #1
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  2. Facebook Comments - تعليقـك على الفيس بوك يسعدنا ويطور مجهوداتنـا


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    اضفط هنا لمعرفة تفاصيل الإعلانات بالموقع


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    مجهود مشكور يا بشمهندس على الشرح الوافى ولكن اسمحلى يوجد عندى


    Hyper Vتحت windows 2008 موجود على VM سؤال اذا كنت اريد ان اعمل باكب

    الرجاء الشرح إن وجد الامكانيه وشكرا


  10. #5

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    Besides the traditional backup with a backup agent in the guest you can also backup the complete virtual machine as it sits on the file system on the virtualization host (in this case Windows Server 2008). Naturally, you will not want to shutdown your virtual machines just to take a backup so Hyper-V supports hot backups of running virtual machines with the Hyper-V VSS Writer. Let's first see if the Hyper-V VSS Writer is available on the host. Issue the following command:
    vssadmin list writers

    In some instances, the Hyper-V VSS writer is not listed even though Hyper-V is installed on the host. This could be due to broken symbolic links in the following directory: C:\ProgramData\Microsoft\Windows\Hyper-V\Virtual Machines. Remove the broken link files and issue the vssadmin list writers command again.
    We will now perform a manual backup with the help of the Windows Server 2008 diskshadow.exe command. Open a command prompt and issue the diskshadow command. You will get a prompt inside diskshadow. Issue the following commands:
    set context persistent
    add volume <driveletter> alias <alias_you_choose>
    (for example add volume s: alias svolume)
    set verbose on
    create
    When you enter the create command, the VSS operation will create a new shadow copy. In the output you should see something like:

    At the end of the output, you should see:

    You can now enter the following command in diskshadow:
    expose %alias% x:
    (for example expose %svolume% x
    The last command mounts the shadow copy on drive x: so that you have access to the backup. If you look at the contents of drive x:, it will be the contents of the volume you specified at the time the backup was taken. You can now copy the files from drive x: to some other location.
    Note that the Hyper-V VSS writer will take care of the consistency of the virtual machines both outside and inside the vhd file. As long as you are using the integration components in the virtual machine (as you should), the virtual machine will stay running during the operation. If the volume contains virtual machines that do not have integration components, these virtual machines will be suspended to disk before the shadow copy is made and resumed afterwards. In that case, the shadow copy will contain the .bin and .vsv file with the state of the virtual machine at the time of the backup.
    Inside the virtual machine that has the integration components you will see events in event viewer that indicate VSS activity:

    A couple of notes on this process:

    • You can use add volume multiple times for different volumes. Naturally, for each volume a shadow copy will be created.
    • If you turn off the backup support of the integration components (can be done from Hyper-V manager or SCVMM 2008), the writer will suspend/resume the virtual machine.
    • You can integrate the Hyper-V VSS Writer with Windows Server 2008 Backup. See http://technet.microsoft.com/en-us/m.../cc895627.aspx for more information. By default, Windows Server Backup is not configured to use the Hyper-V VSS Writer.
    • Backup software vendors are working to include support for the Hyper-V VSS Writer. BackupExec for instance should have support in version 12.5.

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  12. #6

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    How to configure Windows Server Backup



    1. Install the Windows Server Backup feature with Server Manager, and make sure you include the command-line tools available.
    2. Add this string to the registry: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\WindowsServerBackup\Application Support\{66841CD4-6DED-4F4B-8F17-FD23F8DDC3DE}\Application Identifier\Hyper-V
      Link: http://support.microsoft.com/kb/958662
    3. Restart the server
    4. Start Windows Server Backup and create a new schedule.
      Select C: and the volume you have your VM's on. (Do not select .vhd files directly, apparently VSS doesn't like that)
      Select a dedicated backup location. (The backup will fail under schedule if you select a normal volume)
    5. Try to run the backup once, it should run without fail.

    (Bonus) Monitor your backup in case of an error

    A backup is no good if you don't get notified if there was an error. It's a classic when companies find out that their backup solution stopped working 6 months ago, just when they needed the backup.
    I've created a new simple PowerShell script that checks the last successfull backup. The script will send an email if the last successfull backup is older than a given amount of hours.
    Configuration is in the start of the script. By default the script will check if last backup is older than 24 hours, and it will also send a "backup succeded" mail.
    BackupCheck.ps1 (1.04 kb)
    To configure a schedule for the script to run, start Task Scheduler and create a new task.
    Under Action, click Add and enter Powershell as program and "& 'C:\Hyper-V\BackupCheck.ps1'" as argument.
    Under Triggers, click Add and enter your desired intervall. I've set mine to run 2 hours after the backup schedule.
    With this you should be able to have a pretty good overview over your backup

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    thanks alot for your effort and please can you explain the mediaset and overwrite opetion in more detail and how to configure circular logging for exchange 2007 with symantec backup exec

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    Quote Originally Posted by zak27883 View Post
    thanks alot for your effort and please can you explain the mediaset and overwrite opetion in more detail and how to configure circular logging for exchange 2007 with symantec backup exec
    i answered your queries at the source thread, Please check below:
    http://egyeng.com/forums/showthread....6796#post26796

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    Default Mohamed

    بارك الله فيك على الشرح الوافى والطريقة الممتازة والمعلومات الوفيرة وعلى اختيار الموضوع وياريت تكمل باقى شرح البرنامج لانة مهم جدا جدا ومفيش حد بيشرحة خالص ياريت تكملة للأخر ازاى اوصل انى اعمل نسخة احتياطية من كل السيرفرات الهامة وعلى كذا مكان

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    السلام عليكم طبعاً فى البدايه لازم اشكر المهندس محمدفؤاد على مجهوده الرائع و حبه لأعطاء المعلومةو انا من هذا المنطلق احب ان اهدى فيديوهات قد تم عملها لتعليم كيفيه التعامل مع الاوتلوك و هى بصوتى و لكنى لا اعرف كيف ارفعها على منتداكم للعلم الفيديوهان حجمها كبيرفى انتظار الردو شكراً

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    شكرا ليك وجزاك الله خير
    شوف الموضوع دة وارفع على الاكونت الخاص بالمنتدى على الفور شير
    http://egyeng.com/forums/showthread....Group-members&

    بعدها ساقوم بوضع الفيديوهات على قناة اليوتيوب الخاصة بالمنتدى حتى يكون الفيديوهات مباشرة للعرض.

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    ماشاء الله مجهود رائع من الجميع
    جزاكم الله خيرا جميعا
    وجعله الله فى ميزان حسناتكم
    ورمضان كريم

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    شرح رائع بالتوفيق يا هندسه وجزاك الله كل خير وفى انتظار المزيد.

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