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Hello all,
What would be your recommendations on Initial Seed for Backup copy Jobs over WAN Accelerator to Secondary site?
Do I need to manually copy full backup of each VM that will go over WAN to secondary site or is there some Veeam functionalities that are build for this?
What would be your approach
Best answer by Chris.Childerhose
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It is the cache that gets populated for a WAN accelerator. See here - Manual Population of Global Cache - Veeam Cookbook
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Also, in the Help Docs here - Manually Populating Global Cache - User Guide for VMware vSphere (veeam.com)
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Seeding uses Backups already at a remote site and Mapping uses full VM copies already at a remote site. If you have either one of those, especially for your 13TB VM, then by all means yes....use those for your initial BCJ sync/run.
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So,
Just to clarify it to me:
And can yo please explain this section to me:
“In the Source Backup Repositories window, select backup repositories from which OS data blocks must be retrieved.
It is strongly recommended that you select backup repositories on the same site where the target WAN accelerator is located. In the opposite case, the traffic will travel between sites, which will increase load on the network.”
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So,
Just to clarify it to me:
And can yo please explain this section to me:
“In the Source Backup Repositories window, select backup repositories from which OS data blocks must be retrieved.
It is strongly recommended that you select backup repositories on the same site where the target WAN accelerator is located. In the opposite case, the traffic will travel between sites, which will increase load on the network.”
This means that you should populate the Cache for the target WAN Accelerator from a repository located at the target site for your jobs, otherwise it will populate from the Source site which sends more traffic across your WAN.
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So,
Just to clarify it to me:
And can yo please explain this section to me:
“In the Source Backup Repositories window, select backup repositories from which OS data blocks must be retrieved.
It is strongly recommended that you select backup repositories on the same site where the target WAN accelerator is located. In the opposite case, the traffic will travel between sites, which will increase load on the network.”
This means that you should populate the Cache for the target WAN Accelerator from a repository located at the target site for your jobs, otherwise it will populate from the Source site which sends more traffic across your WAN.
So how would I populate it from the Target side repo if its empty,
That’s what I’m asking for. Do I need to manually copy the Backup files from Source to Target Repo then populate Target WAN Acceelerators from Target Repo?
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Keep in mind
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Keep in mind
So there is no need for me to pre populate cache, transfer full backup to off site location as initial seed?
I’m trying to wrap my head arround.
Yes we are going to use high bandwidth mode since our speed is arrounr 850 Mbps
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Correct. No need to pre-populate cache as it’s not used with High Bandwidth mode. Read the link I provided in your previous post, bottom section, on how High Bandwidth is used. As I mentioned there also, Veeam doesn’t explicitly state how High Bandwidth is explicitly used, but I believe it just leverages “advanced” dedup and compression capabilities.
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