Oracle 1z0-499 Oracle ZFS Storage Appliance 2017 Implementation Essentials Exam Practice Test

To monitor an Oracle ZFS Storage Appliance system for hardware bottlenecks, use the DTrace Analytics feature of the Oracle ZFS Storage Appliance system to set up a new Analytics page to monitor the following system metrics:

• CPU: percent utilization broken down by CPU identifier
• Network: interface bytes per second broken down by interface
• Cache: ARC accesses per second broken down by hit/miss
• Cache: ARC accesses per second for hit/miss 'metadata hits' broken down by L2ARC eligibility
• Disk: Disks broken down by percent utilization
• Protocol: NFSv4 operations per second broken down by type of operation

References: https://community.oracle.com/docs/DOC-1013671

D: Many people use the terms active-active to describe a cluster in which there are two (or more) storage pools, one of which is assigned to each head along with network resources used by clients to reach the data stored in that pool, and active-passive to refer to which a single storage pool is assigned to the head designated as active along with its associated network interfaces. Both topologies are supported by the Oracle ZFS Storage Appliance.

Four Advantages of Application Storage Consolidation and the Sun ZFS Storage Appliance:

• Storage efficiency features such as Compression, De-Duplication and Thin Provisioning
• Instant Backup and Recovery through Snapshots and Clones
• Disaster Recovery features through the use of Replication
• Reduces the amount of storage devices

Incorrect: Answers

A: Oracle ZFS Storage Appliance implements a Hybrid Storage Pool architecture designed to work with multiple tiers of storage media to maximize the performance for the virtualized environment

References: http://www.oracle.com/us/products/servers-storage/storage/unified-storage/zfs-storage-app-storage-appliance-173104.pdf

Facility Power: Confirm that the power specifications for the cabinet in Electrical Specifications have been addressed.

Data Center Environment: Confirm that the cooling specifications for the cabinet in Cooling Requirements have been addressed.

Space Requirements

References: https://docs.oracle.com/cd/E22471_01/html/821-1673/installation__cabinet.html

Adding a single JBOD to a double parity RAID-Z NSPF config makes it impossible to preserve NSPF characteristics. However, you can still add the JBOD and create RAID stripes within the JBOD, sacrificing NSPF in the process.

References: https://docs.oracle.com/cd/E51475_01/html/E52872/godge.html

Resetting the Service Processor Using Oracle ILOM

If the Oracle ILOM service processor (SP) is hung, Oracle ILOM provides two methods to reset it:

From the Oracle ILOM command-line interface (CLI), type: reset /SP.

From the Oracle ILOM web interface, click Administration > Maintenance > Reset SP.

If the Oracle ILOM SP is hung and you cannot reset it using the Oracle ILOM web interface or the Oracle ILOM CLI command, use the following procedure to reset the SP from the server back panel.

Using a stylus, press the Reset SP pinhole button that is located on the server back panel.

Figure SP Reset Pinhole Button Location

References: https://docs.oracle.com/cd/E37831_01/html/E48558/z40002791433422.html

https://docs.oracle.com/cd/E37831_01/html/E48558/z40002791433048.html

Note: rejoin: to retrieve and resynchronize the resource map from the peer

Clusters support rolling upgrade of software, which can reduce the business disruption associated with migrating to newer software.

Takeover can occur at any time. Takeover is attempted whenever peer failure is detected. It can also be triggered manually using the cluster configuration CLI or BUI. This is useful for testing purposes as well as to perform rolling software upgrades (upgrades in which one head is upgraded while the other provides service running the older software, then the second head is upgraded once the new software is validated).

References: https://docs.oracle.com/cd/E27998_01/html/E48433/configuration__cluster.html

To set the LDAP authorization method, enter set auth_method= and one of the following options:

• none - None (use with anonymous)
• sasl/GSSAPI - SASL/GSSAPI (use with self)
• simple - Simple, RFC 4513 (use with proxy)
• sasl/DIGEST-MD5 - SASL/DIGEST-MD5 (use with proxy)

References: https://docs.oracle.com/cd/E78901_01/html/E78912/gpycn.html