Host-based backup of Microsoft Hyper-V VMs.
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JamesNT
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Offsite Backup with only two restore points

Post by JamesNT »

We keep only two restore points for all clients with offsite backup.

Question: Should we do the synthetic full?

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Re: Offsite Backup with only two restore points

Post by DGrinev »

Hi James,

It depends on the storage characteristics since the Synthetic fulls are very I\O intensive.
Can you provide a bit more details about backup job settings?

Thanks!
JamesNT
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Re: Offsite Backup with only two restore points

Post by JamesNT »

Backup jobs run once a day (3a.m.) and synthetic fulls are done every MWF for some and TTh for others. All servers being backed up are Hyper-V guests and are Windows Server 2016 or higher.

Backup storage is an MD3200 attached to a dell r710.

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Re: Offsite Backup with only two restore points

Post by foggy »

That fulls frequency is a bit overkill. I'd rather go with a forever incremental backup method or at least switch to at least weekly fulls.
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Re: Offsite Backup with only two restore points

Post by JamesNT »

These are forever incrementals. That's why I'm asking about the synthetic full. Is it necessary with only two restore points?

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Re: Offsite Backup with only two restore points

Post by DGrinev »

James,

It's not necessary but an option you can consider to implement.
You can leave the job without periodic fulls at all in conjunction with Health checks every month.
Please read the existing thread called "How often do I need a full backup" it might help you decide.

Thanks!
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Re: Offsite Backup with only two restore points

Post by foggy »

JamesNT wrote: Jan 20, 2020 8:41 pm These are forever incrementals. That's why I'm asking about the synthetic full. Is it necessary with only two restore points?
Forever incremental and synthetic fulls are somewhat mutually exclusive parameters - once you enable synthetic full, the job switches to a regular forward incremental method, without daily merge.
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Re: Offsite Backup with only two restore points

Post by EdgarRicharte »

We do 3 restore points for all our client offsites(forever incremental). And we turn on "Defragment and compact full backup file" every first monday of the month. If you have a smaller amount of backups you could do this weekly.
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Re: Offsite Backup with only two restore points

Post by JamesNT » 1 person likes this post

Thank you all for your assistance. I think for offsite backups with only two restore points, we will turn off synthetic fulls.

JamesNT
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