A. raidvchkscan -v pida 10 B. raidcfg -get_lun 0x06:AC C. raidcom get ldev -ldev_id 06:AC D. HiCommandCLI GetZeroPageReclaimStatus devnums=06:AC Answer: D QUESTION: 207 68
A customer wants to use Hitachi Dynamic Provisioning pools on a Hitachi VSP to eliminate hot spots and optimize I/O response times. However they are concerned about over-provisioning and running out of storage space in the pools. What should be done using the Hitachi Command Suite to address their concerns? A. Enable Subscription Threshold and set it to 100%. B. Set Usage Rate Threshold to 100%. C. Set Used Threshold 2 to 100%. D. Enable Depletion Threshold and set it to 100%. Answer: A QUESTION: 208 Which two Hitachi Dynamic Provisioning (HDP) design characteristics are true? (Choose two.) A. I/O workload is spread across a large number of disk spindles. B. Non-contiguous HDP pages may severely impact random I/O workloads. C. I/O to V-Vols will invoke a different cache usage algorithm. D. Pool capacity can be increased non-disruptively. Answer: A, D QUESTION: 209 A customer wants to remove a Hitachi AMS1000 storage system which is connected to a Hitachi VSP as external storage. Which two Universal Volume Manager (UVM) operations must be completed in Storage Navigator before removing the AMS1000 storage system? (Choose two.) A. Disable External Volumes B. Disconnect External Volumes C. Suspend External Volumes D. Delete External Volumes Answer: B, D QUESTION: 210 What is a Storage Domain in Hitachi Tiered Storage Manager? 69
A. all storage on a VSP system B. a SLPR C. a CLPR D. a Host Storage Domain Answer: A QUESTION: 211 A customer needs to migrate all data from an old storage array to a new internal Dynamic Provisioning (HDP) pool using Hitachi Tiered Storage Manager (HTSM). The old array is virtualized behind a Hitachi VSP. They need to make sure that no data remains on the old array and would like to "thin" the new HDP V-VOLs. Which two actions can be selected using HTSM to accomplish this task? (Choose two.) A. Erase remaining data on source volumes during migration. B. Discard zero data after migration. C. Erase remaining data on source volumes after migration. D. Discard zero data during migration. Answer: B, C QUESTION: 212 A customer with a Hitachi VSP has a Hitachi Dynamic Provisioning Pool which is at 96% used pool capacity. Which three actions can be performed in Storage Navigator to increase available pool capacity? (Choose three.) A. Delete unused DP-Volumes. B. Reclaim zero pages on Pool Volumes. C. Reclaim zero pages on Virtual Volumes. D. Expand the HDP pool. E. Expand V-VOLs. Answer: A, C, D QUESTION: 213 70
Which two statements regarding Hitachi Universal Volume Manager are correct?
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- Fall '20
- Hard disk drive, Computer data storage, Hitachi, Hitachi AMS2500