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Oracle Exam 1Z0-821 Topic 7 Question 68 Discussion
Topic #: 7
zone1 is a non-global zone that has been configured and installed.
zone1 was taken down for maintenance, and the following command was run:
zoneadm -z zone1 mark incomplete
The following information is displayed when listing the zones on your system:
Which task needs to be performed before you can boot zone1?
shadowd is a daemon that provides background worker threads to migrate data for a shadow migration. A shadow migration gradually moves data from a source file system into a new ''shadow'' file system. Users can access and change their data within the shadow file system while migration is occurring.
The shadowd service is managed by the service management facility, smf(5). Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). The service's status can be queried using the svcs(1) command.
The svccfg(1M) command can be used to manage the following parameter related to shadowd:
config_params/shadow_threads
Note: Oracle Solaris 11: In this release, you can migrate data from an old file system to a new file system while simultaneously allowing access and modification of the new file system during the migration process.
Setting the shadow property on a new ZFS file system triggers the migration of the older data. The shadow property can be set to migrate data from the local system or a remote system with either of the following values:
nfs://host:path
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