Backing up Enterprise Applications: Transaction Consistency is Key<br />Elias Khnaser<br />www.eliaskhnaser.com<br />Twitt...
About Elias Khnaser<br />
Agenda<br />What Is Volume Shadow Copy Services (VSS)?<br />Why VSS?<br />VSS Components<br />Native Operating System VSS ...
What is Volume Shadow Copy Services (VSS)?<br />VSS is Windows framework for application backups<br />VSS is a built-in Wi...
Why VSS?<br />Avoid crash-consistent backups<br />Crash-consistent is a nice way of saying hard stop<br />Application awar...
VSS Components<br />Volume Shadow Copy Service is a service that coordinates the function of all components to create the ...
Native Operating System VSS Backup<br />Volume Shadow Copy Service<br />Writers<br />Requestor<br />Provider<br />Disk Vol...
VMware Tools doesn’t quiesce applications<br />May impact recovery<br />VMware vSphere 4.x Backups<br />VMware Tools is fo...
Want more?<br />See the rest and watch more training videos at www.backupacademy.com<br />
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Backing up enterprise applications - Elias Khnaser

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Backing up enterprise applications - Elias Khnaser

  1. 1. Backing up Enterprise Applications: Transaction Consistency is Key<br />Elias Khnaser<br />www.eliaskhnaser.com<br />Twitter: @ekhnaser<br />
  2. 2. About Elias Khnaser<br />
  3. 3. Agenda<br />What Is Volume Shadow Copy Services (VSS)?<br />Why VSS?<br />VSS Components<br />Native Operating System VSS Backup<br />VMware vSphere 4.x Backups<br />Agent Assisted VSS Aware Backups<br />How Volume Shadow Copies Are Created<br />Agent Assisted VSS Aware Restore<br />
  4. 4. What is Volume Shadow Copy Services (VSS)?<br />VSS is Windows framework for application backups<br />VSS is a built-in Windows service that facilitates and coordinates the creation of consistent copies of Transaction-based application data<br />2 methods for creating Shadow Copies:<br />Clone (Full Clone/Split Mirror)<br />Copy-on-Write (Difference File)<br />Transaction-based applications<br />Exchange SQL Active Directory More<br />
  5. 5. Why VSS?<br />Avoid crash-consistent backups<br />Crash-consistent is a nice way of saying hard stop<br />Application awareness<br />Avoidance of manual post restore tasks<br />Application consistency is critical<br />VM<br />Windows<br />VM<br />Windows<br />VM<br />Windows<br />VM<br />Windows<br />VM<br />Windows<br />Backup<br />VM<br />Windows<br />VM<br />Windows<br />VM<br />Windows<br />VM<br />Windows<br />VM<br />Windows<br />Restore<br />
  6. 6. VSS Components<br />Volume Shadow Copy Service is a service that coordinates the function of all components to create the shadow copy<br />Requestors initiate Shadow Copy Creation<br />Writers prevent data inconsistency<br />Providers create the Shadow Copy<br />System Provider<br />Hardware Providers<br />Software Providers<br />Source Volume is the volume that contains the data to be shadowed<br />Storage Volume is the volume that holds the shadow copy<br />A number of providers available<br />
  7. 7. Native Operating System VSS Backup<br />Volume Shadow Copy Service<br />Writers<br />Requestor<br />Provider<br />Disk Volume<br />SQL, Exchange,<br />Active Directory,<br />Oracle, SharePoint<br />Backup<br />software<br />Operating<br />system, storage array or system provider<br />
  8. 8. VMware Tools doesn’t quiesce applications<br />May impact recovery<br />VMware vSphere 4.x Backups<br />VMware Tools is for quiescing filesystem with VSS<br />Image level backup that is crash consistent<br />Volume Shadow Copy Service<br />Writers<br />Requestor<br />Provider<br />Disk Volume<br />SQL, Exchange,<br />Active Directory,<br />Oracle, SharePoint<br />ESXi Host<br />VMware Tools<br />Disk Volume<br />Operating<br />system, storage array or system provider<br />
  9. 9. Want more?<br />See the rest and watch more training videos at www.backupacademy.com<br />

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