Its been a while since i have done this so im a bit rusty on some points of it. One that is really bugging me is that when selecting the partition to mirror it will only show me the free space on the iscsi i have setup on certian partitions and not others the ones it wont show the free space on comes back with the error "Unable to find any free partition space on another device"

now there is clearly room on the iscsi partition as i am able to mirror one of the partitions on the server im just confused as to why it wont let me do the other? or am i being dumb about something here.

Thanks in advance.