How does VSAN high availability works?
Does a VM in the VSAN cluster will have a copy just like a fault tolerant structure?
If yes, how many copies can I make per VM and how do I set that?
thanks!
Good morning, I will make some assumptions. You're not asking about ESXi HA. You're not asking about a 2 nodes deployment.
Minimum number of nodes is 3, recommended is 4. By default vSAN will create 2 copies of the data and a 1 witness. As long as 2 of the three are accessible you have quorum and the data will be accessible. Well... that changed a bit in v6 in certain circumstances. http://cormachogan.com/2015/03/13/vsan-6-0-part-1-new-quorum-mechanism/
As always, it depends
As to how you set that, there is default storage policy and can create custom polices and then apply them to VMs or make the custom policy default.
I would recommend http://www.amazon.com/Essential-Virtual-SAN-VSAN-Administrators/dp/0134511662/ref=as_sl_pc_tf_til?ta...
The first version for 5.5 was great. Thank you, Zach.
Good morning, I will make some assumptions. You're not asking about ESXi HA. You're not asking about a 2 nodes deployment.
Minimum number of nodes is 3, recommended is 4. By default vSAN will create 2 copies of the data and a 1 witness. As long as 2 of the three are accessible you have quorum and the data will be accessible. Well... that changed a bit in v6 in certain circumstances. http://cormachogan.com/2015/03/13/vsan-6-0-part-1-new-quorum-mechanism/
As always, it depends
As to how you set that, there is default storage policy and can create custom polices and then apply them to VMs or make the custom policy default.
I would recommend http://www.amazon.com/Essential-Virtual-SAN-VSAN-Administrators/dp/0134511662/ref=as_sl_pc_tf_til?ta...
The first version for 5.5 was great. Thank you, Zach.
thanks!
will look for this!
Also, Cormac and I have written many blogs on this topic. Have a look at the list on vmware-vsan.com