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Snapshots are not backups

Posted by NiTRo | Filed under Kb, Tips & Tricks, VMware

Petite piqûre de rappel pour les irréductibles (via une belle kb VMware) :

  • Snapshots are not backups
  • The maximum supported amount in a chain is 32
  • VMware recommends that you use only 2-3 snapshots in a chain
  • Use no single snapshot for more than 24-72 hours

An excessive number of snapshots in a chain or snapshots large in size may cause decreased virtual machine and host performance.

Increasing the size of a disk with snapshots present can lead to corruption of the snapshots and potential data loss.

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Comments (3) | February 11th, 2011

3 Responses to “Snapshots are not backups”

  1. PiroNet Says:
    February 12th, 2011 at 18:41

    Je connais un client qui a des snapshot qui trainent depuis pas mal de temps dont un de plus de 260 jours et counting…

    Heureusement le delta ne fait que 18GB :)

  2. NiTRo Says:
    February 12th, 2011 at 19:04

    moi j’ai déjà vu plus de 1100 jours :)

  3. JustForFun Says:
    February 16th, 2011 at 11:47

    66 Snapshots sur une VM :)

    Pas de problèmes tant qu’on ne change pas l’esx de vCenter !!

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