After installing an Oracle Solaris 11 system, you execute the following command to create a data
set into which several non-global zones will be installed:
What impact will this command have on any zones installed under this ZFS data set?
A.
The zones will have encrypted swap and /tmp file systems.
B.
The zones will not permit any move or clone operations.
C.
The zones will be required to be “Solaris” brands only.
D.
The zones will cache the encryption key while running.
E.
The zones will be unable to start during system boot.
Explanation:
Note:
*Oracle Solaris 11 adds transparent data encryption functionality to ZFS. All data and file system
metadata (such as ownership, access control lists, quota information, and so on) are encrypted
when stored persistently in the ZFS pool.
*A ZFS pool can support a mix of encrypted and unencrypted ZFS data sets (file systems and
ZVOLs). Data encryption is completely transparent to applications and other Oracle Solaris file
services, such as NFS or CIFS. Since encryption is a first-class feature of ZFS, we are able to
support compression, encryption, and deduplication together. Encryption key management for
encrypted data sets can be delegated to users, Oracle Solaris Zones, or both. Oracle Solaris with
ZFS encryption provides a very flexible system for securing data at rest, and it doesn’t require any
application changes or qualification.
ZFS makes it easy to encrypt data and manage data encryption. You can have both encrypted
and unencrypted file systems in the same storage pool. You can also use different encryption keysfor different systems, and you can manage encryption either locally or remotely.
Reference:How to Manage ZFS Data Encryption
E is correct. Before start a zone from encrypted ZFS you must mount zfs FS (zfs mount rpool/myzones).
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