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4 Cards in this Set
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Question: 1 You want to perform the following operations for the DATAASM disk group: •Verifythe consistency of the disk. •Cross-checkall the file extent maps and allocation tables for consistency. •Checkwhether the alias metadata directory and file directory are linked correctly. •Checkthat ASM metadata directories do not have unreachable allocated blocks.Which command accomplishes these tasks? A. ALTER DISKGROUP data CHECK; B. ALTER DISKGROUP data CHECK DISK; C. ALTER DISKGROUP data CHECK FILE; D. ALTER DISKGROUP data CHECK DISK IN FAILURE GROUP 1; |
Answer: A ALTER DISKGROUP data CHECK; |
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Question: 3 Which two statements are true regarding thefunctionality of the remap command in ASMCMD? (Choose two.) A. It repairs blocks that have read disk I/O errors. B. It checks whether the alias metadata directory and the file directory are linked correctly. C. It repairs blocks by always reading them from the mirror copy and writing them to the original location. D. It reads the blocks from a good copy of an ASM mirror and rewrites them to an alternate location on disk if the blocks on the original location cannot be read properly. |
Answer: A, D It repairs blocks that have read disk I/O errors , It reads the blocks from a good copy of an ASM mirror and rewrites them to an alternate location on disk if the blocks on the original location cannot be read properly. |
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Question: 4 What is the advantage of setting the ASM-preferredmirror read for the stretch cluster configuration? A. It improves resync operations. B. This feature enables much faster file opens. C.It improves performance as fewer extent pointers are needed in the shared pool. D. It improves performance by reading from a copy ofan extent closest to the node. |
Answer: D It improves performance by reading from a copy of an extent closest to the node. |
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Question: 5 Examine the following command:ALTER DISKGROUP data MOUNT FORCE;In which scenario can you use the above command to mountthe disk group? A. when ASM disk goes offline B. when one or more ASM files are dropped C. when some disks in a disk group are offlineD.when some disks in a failure group for a disk group are rebalancing: |
Answer: C when some disks in a disk group are offline |
