Diskfilter based on host disk usage, it check between usable host disk size and requested vm disk size.
But when create a VM with boot volume, It doesn't use host disk. (Usually ISCSI volume could be attached)
So Diskfilter has filtered a host although VM could be launched.
Diskfilter shouldn't be filtered a host when create a VM with boot volume.
Diskfilter based on host disk usage, it check between usable host disk size and requested vm disk size.
But when create a VM with boot volume, It doesn't use host disk. (Usually ISCSI volume could be attached)
So Diskfilter has filtered a host although VM could be launched.
Diskfilter shouldn't be filtered a host when create a VM with boot volume.