vmware high availability (HA)のとき When a new host is added into the VirtualCenter inventory, the host must be added by its hostname or the HA will not function property. Mastering VMware infrastructure3 より引用。つまり server1.domain.tl…

こんな感じでサブドメイン(others.sample.japan)を他のDNS(subdns1.sample.japan)に権限委譲するとする。 $ORIGIN . $TTL 600 ; 10 minutes sample.japan IN SOA ns1.sample.japan. root.sample.japan. ( 2008080101 ; serial 7200 ; refresh (2 hours) 7200…