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July 23rd, 2021 09:00

VxRail - SAN to vSAN Migration using HBAs in VxRail Nodes (Data Path)

VxRail - Using HBAs for VM Migration - Does anyone have any details on the data path when migrating VMs from FC Storage to vSAN (using HBAs in VxRail nodes? Migrations are running super slow. vSAN is AF 4x Disk Groups, 4x 25GbE. HBAs in 4x nodes running at 8GbE. Thanks much for your insight

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7K Posts

July 23rd, 2021 16:00

Sprinklr Case#9239985 Hello cuttit,

Here is a link to a KB that maybe of assistance. https://dell.to/2Uz9etz

3 Posts

July 24th, 2021 13:00

This is not a question about power management???  

1 Message

July 25th, 2021 01:00

July 26th, 2021 04:00

The data will go from the FC HBA (VMFS) filesystem to the vSAN datastore.  When it's written to vSAN, it will be going over your network to hit that datastore.  Given that a migration is essentially a large sequential write, the number of nodes and disk groups per node could be causing slowness.  If you look at the vSAN performance monitoring service, are you seeing high congestions or outstanding IOPs?

 

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