Size: a a a

2021 April 03

B

Babak in VMware vSAN
I am really confused
How many components have A vm with disk size=200g and ftt=1 due power off ?
источник

N

Nikolay Kulikov in VMware vSAN
In gui it just showed separately, but in esxcli vsan debug object list you could see all 6 (each with unique component uuid)
источник

N

Nikolay Kulikov in VMware vSAN
Babak
I am really confused
How many components have A vm with disk size=200g and ftt=1 due power off ?
6. 4 data components and 2 witness components
источник

B

Babak in VMware vSAN
Please see follow pic why write a vm with ftt=1 has 3 components?
источник

B

Babak in VMware vSAN
источник

B

Babak in VMware vSAN
Thus 25 vm has 75 components. How calculate this?
источник

N

Nikolay Kulikov in VMware vSAN
источник

SR

S R in VMware vSAN
Babak
Thus 25 vm has 75 components. How calculate this?
3 components: vm namespace, vmdk, vmswap
источник

N

Nikolay Kulikov in VMware vSAN
S R
3 components: vm namespace, vmdk, vmswap
3 objects
источник

N

Nikolay Kulikov in VMware vSAN
Ok, I got it.
источник

N

Nikolay Kulikov in VMware vSAN
In examples above they calculate the witness traffic
источник

B

Babak in VMware vSAN
But my means is a vm with FTT=0 contains 3 components but with FTT=1 have 6 components
источник

N

Nikolay Kulikov in VMware vSAN
There is why witness components doesn't count.
источник

B

Babak in VMware vSAN
Nikolay Kulikov
In examples above they calculate the witness traffic
That is correct but it calculate with number of components
источник

AK

Andrey Konovalov in VMware vSAN
Babak
Thus 25 vm has 75 components. How calculate this?
25 vms have 75 witness components, seems legit
источник

SR

S R in VMware vSAN
Babak
But my means is a vm with FTT=0 contains 3 components but with FTT=1 have 6 components
Because you have mirror of 3 components: vmdk, swap, namespace
источник

SR

S R in VMware vSAN
In VM environment this called objects, in vsan env (datastore env) this called by components, becouse based on ftt
источник

SR

S R in VMware vSAN
If you have, for example, snapshots or something, or second vmdk, its stored on vsan datastore as components
источник

N

Nikolay Kulikov in VMware vSAN
S R
In VM environment this called objects, in vsan env (datastore env) this called by components, becouse based on ftt
Not quite accurate - Any vsan object consists from 1 to many components.
источник

N

Nikolay Kulikov in VMware vSAN
There is no objects on general vSphere level. There is files on vmfs/nfs, objects on vsan or object on vvol.
источник