可以试下这个cp -rp  /var/named/dynamic  /var/named/chroot/var/named/我最近也是在学习DNS，启动named-chroot报错Mar 14 01:26:57 localhost.localdomain named : generating session key for dynamic DNSMar 14 01:26:57 localhost.localdomain named : sizing zone task pool based on 7 zonesMar 14 01:26:57 localhost.localdomain named : none:104: 'max-cache-size 90%' - setting to 175921860444MB (out of 17592186044415MB)Mar 14 01:26:58 localhost.localdomain named : invalid managed-keys-d