Home » Oracle » 1z0-499 » Which three actions are performed to maintain data availability?
Which three actions are performed to maintain data availability?
A. Software services are set to manually restart in case of software failure.
B. A set of rolling snapshots of two preceding software installs is maintained during software upgrades.
C. A set of rolling snapshots of preceding software installs is maintained during software upgrades.
D. The appliance configuration is backed up and exported.
E. Solaris Live Upgrade is used to minimize software updates and upgrades.
F. Software services are automatically restarted in case of software failure.
Correct Answer: CDF
Explanation/Reference:
C: The majority of new features and bug fixes introduced in a system update are backwards-compatible and allow you to roll back to previous updates without issue. These are applied automatically by the storage management software.
D: The configuration backup function enables the administrator to backup the appliance configuration, consisting of system metadata only (such as the network configuration, local users and roles, service settings, and other appliance metadata).
F: To maximize the availability of your data in production, the ZFSSA includes a complete end to-end architecture for data integrity, including redundancies at every level of the stack. Key features include the following:
Integrated software restart of all system ZFSSA Services
Incorrect Answers:
E: The ZFS file system that can make snapshots rather than be constrained to the add-on approach of Oracle Solaris Live Upgrade.
References:
Oracle ZFS Storage Appliance Administration Guide (June 2014) , page 23
https://docs.oracle.com/cd/E51475_01/html/E52874/maintenance__system__configurationbackup__configuration_backup.html http://www.oracle.com/technetwork/server-storage/sun-unified-storage/documentation/best-practices-upgrading-zfssa-wp-2556078.pdf
|
Download Printable PDF. VALID exam to help you PASS.
|
 |
