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Q11. In an SL8500 library with redundant robotics, it is best to install drives in the:
A. first and third columns
B. inner two columns
C. outer two columns
D. second and fourth columns
Explanation: Install drives in the outer two columns (± 2) first—this allows both HandBots to access drives at the same time.
Note: Redundant Robotics
A single SL8500 rail section can accommodate two robots, for a total of eight robots per library.
These robots can operate in parallel, significantly increasing the overall performance of the library.
Reference: StorageTek SL8500 Modular Library System, Best Practises Grouping Tape Drives
Q12. Which action is not likely to improve the performance of the SL3000?
A. Implementing dual robots will usually give the biggest performance increase.
B. Configure your SL3000 as symmetrically as possible.
C. At dismount, always place the cartridge back in the storage cell it was moved from.
D. If you do not have a large number of drives, place them in alternating columns where possible
E. Try to place frequently used cartridges near the drives.
Reference: StorageTek SL3000 Modular Library System, User’s Guide
Q13. Which three growth features can be installed nondisruptively to the SL8500?
A. Capacity on Demand
B. Pass thru Ports
C. Cartridge Expansion Frames
D. Another Library
Explanation: A: The SL3000 library includes RealTimeGrowth and Capacity on Demand features.
Installation of additional activated capacity results in minimal disruption to library operations. Once verified by the library controller, the additional storage cells are available immediately. You do not need to reboot the library.
B: RealTime Growth capability
The capability to add pass-thru ports dynamically while the library is operating.
Reference: StorageTek StreamLine SL8500, modular library system, User's Guide
Q14. What ACSLS command is used to find out the status of all the tape drives in an LSM?
A. Query LSM 0 drive all
B. Query drive all
C. show drive all
D. Display drive all LSM 0
Explanation: To query all drives: query drive all
Note: Mount/dismount a cartridge to verify ACSLS:
1. Verify that you are logged in as acsss.
2. If ACSLS is not running, start it by entering rc.acsss
3. Query the server from the cmd_proc by entering query server
If messages are displayed indicating that the server is in recovery mode, wait for a message indicating that the server is running.
4. Verify that the at least one of the following are online. If not, bring them online with the vary command. query port all query acs all query lsm all query drive all
Q15. Which generations of LTO tape drives does SL500 support?
A. LTO1, LTO2, LTO3, LTO4, and LTO5
B. LTO2, LTO3, LTO4, and LTO5
C. LTO3, LTO4, and LTO5
D. LTO4 and LTO5
Explanation: Capacity: The SL500 scales from 30 to 575 LTO slots with a maximum capacity of more than 862 terabytes of uncompressed data (LTO5)
Reference: StorageTek SL500 Modular Library System, FAQs
Q16. On the SL8500, which is the best option when combining workloads that span more than one rail?
A. using the middle two rails for active enters and ejects
B. using rails that are adjacent to each other within the same SL8500
C. using the top rail for extra archival space and any other rail for active data
D. using the top rail for active enters and ejects and any other rail for archival space
Explanation: If you are not able to assign workloads to a single rail, consider:
* Using rails that are adjacent to each other. This provides a shorter distance for the pass-thru operation.
* Combining rails vertically rather than horizontally
Reference: StorageTek SL8500 Modular Library System, Best Practises, Dedicating Rails
Q17. Which SL3000 feature does not require a hardware activation file?
B. Multiple CAPs
C. Dual TCPIP
Explanation: The hardware activation utility allows you to activate selected optional features on the SL3000 library.
Reference: StorageTek SL3000 Modular Library System, User’s Guide
Q18. Which four options list the correct library scalability?
A. SL8500: library: 1000 to 10,000 Slots and up to 64 drives; Complex: Up to 100,000 Slots and 640 drives
B. SL500: 30 to 575 Slots and up to 18 drives
C. SL3000: 200 to 3000 Slots and up to 56 drives
D. SL24: Up to 24 Slots and either 1 full height or 1 to 2 half height drives
E. SL48: Up to 48 Slots and up to 2 full height or 4 half-height drives
Explanation: B: SL500 Maximum Number of Cartridge Slots: 575 Maximum Number of Tape Drives: 18 C:SL3000 Maximum Number of Cartridge Slots: 5925 Maximum Number of Tape Drives: 56
Maximum Number of Cartridge Slots: 24 Maximum Number of Tape Drives:One full height or two half-height E:SL48
Maximum Number of Cartridge Slots: 48 Maximum Number of Tape Drives:Two full height or four half-height
Q19. What is the procedure to restore ACSLS files and database to a prior time and date?
A. Log in as “root”, stop both ACSLS and the database, issue the “bdb.acsss –f ” command, and then select option # 1
B. Log in as “acsss”, stop both ACSLS and the database, enter a “rdb.acsss”, and then select option # 2
C. Log in as “acsss”, idle ACSLS, stop ACSLS, and then issue “rdb.acsss”
D. Log in as “acsss”, stop the database, enter an “db_command restore”, and then select option #
Explanation: In this procedure you restore the database to the most recent backup created on the local disk by automatic backups. ACSLS control files are also restored.
To restore a corrupted or lost database to the most recent backup:
1. Log in asacsss.
2. From the cmd_proc window, idle ACSLS:
3. Shut down ACSLS:
4. Shut down the database:
5. Enter the following command:
6. Select option 1: (we should use option 2, see note below)
1. Restore from a current local disk backup
7. To start ACSLS, enter the following command:
rdb.acsss Menu Options
Please enter the number followed by Return for your choice from the following menu.
Press? followed by the Return key for help.
1: Restore from a current local disk backup
2: Restore from a previous tape or file backup
3: Restore database only (do not include ACSLS control files)
4: Restore only ACSLS non-database control files
Reference: StorageTek ACSLS, Automated Cartridge System Library Software
Q20. How would you generate a list of the EHY100-WHY299 tapes in the LSM?
A. Log in as acssa, issue a “query vol all”, and then a “grep WHY100-299”
B. Log in as acssa, issue a “volrpt –zs”, and then a “grep why1”
C. Log in as acssa, enter a “volrpt –v why”, qand then a “grep WHY100-WHY299”
D. Log in as acssa and issue a “volrpt-v WHY100-WHY299”
Explanation: The volrpt utility creates a volume report.
restricts the report to the specified volumes (or volume ranges). You can specify a single vol_id, a list of vol_ids separated by blanks, or a volume range indicated by vol_id-vol_id.
Use the volrpt utility to create a report of library cartridges, including their physical location, history, attributes, and use.