随笔分类 -  disk group

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053-153
摘要：You are managing an ASM instance. You previously issued the following statements:ALTER DISKGROUP dg1 DROP DISK disk2;ALTER DISKGROUP dg1 DROP DISK dis 阅读全文
posted @ 2017-11-16 15:02 巴啦啦大魔王 阅读(159) 评论(0) 推荐(0)
053-235
摘要：The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration.You executed the following command to startup the Automati 阅读全文
posted @ 2017-11-16 14:09 巴啦啦大魔王 阅读(228) 评论(0) 推荐(0)
053-659
摘要：Which two commands never trigger an implicit rebalancing within the disk group?. (Choose two.)A. ALTER DISKGROUP misc MOUNT;B. ALTER DISKGROUP misc DR 阅读全文
posted @ 2017-11-16 13:32 巴啦啦大魔王 阅读(192) 评论(0) 推荐(0)
053-655
摘要：Examine the following ALTER command:SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS;What is the purpose of the command?A. It cancels all pending disk drops 阅读全文
posted @ 2017-11-16 13:25 巴啦啦大魔王 阅读(116) 评论(0) 推荐(0)
053-649
摘要：Examine the CREATE DISKGROUP command used to create a disk group:SQL> CREATE DISKGROUP misc EXTERNAL REDUNDANCYDISK 'ORCL: FRA3' NAME misc1, 'ORCL: FR 阅读全文
posted @ 2017-11-16 11:41 巴啦啦大魔王 阅读(113) 评论(0) 推荐(0)
053-644
摘要：View the Exhibit and examine the disk groups created at the time of migrating the database storage to Automatic Storage Management (ASM).Why does the 阅读全文
posted @ 2017-11-16 11:26 巴啦啦大魔王 阅读(139) 评论(0) 推荐(0)
053-617
摘要：A database instance is using an Automatic Storage Management (ASM) instance, which has a disk group, DGROUP1, created as follows:SQL> CREATE DISKGROUP 阅读全文
posted @ 2017-11-15 17:03 巴啦啦大魔王 阅读(116) 评论(0) 推荐(0)
053-90
摘要：View the exhibit and examine the output. Which statement can be an inference from the output?Exhibit: A. The FRA disk group has an asynchronous I/O bo 阅读全文
posted @ 2017-11-15 15:10 巴啦啦大魔王 阅读(214) 评论(0) 推荐(0)
053-705
摘要：View Exhibit1 to examine the DATA disk group when all the disks are online. Why is the rebalancing not performed and the content of the disk group not 阅读全文
posted @ 2017-11-15 14:07 巴啦啦大魔王 阅读(131) 评论(0) 推荐(0)
053-543
摘要：As the DBA, you run the following query on your ASM instance.What is the implication of the results of the query? (Choose two.)SQL> select group_numbe 阅读全文
posted @ 2017-11-08 13:49 巴啦啦大魔王 阅读(138) 评论(0) 推荐(0)
053-542
摘要：You are an Oracle DBA responsible for an ASM instance. The disk controller on your system fails.You suspect that the disk itself is okay. You know it 阅读全文
posted @ 2017-11-08 13:41 巴啦啦大魔王 阅读(85) 评论(0) 推荐(0)
053-541
摘要：If you use ALTER DISKGROUP ... ADD DISK and specify a wildcard for the discovery string, whathappens to disks that are already a part of the same or a 阅读全文
posted @ 2017-11-08 13:35 巴啦啦大魔王 阅读(131) 评论(0) 推荐(0)
053-540
摘要：Which of the following ALTER DISKGROUP commands does not use V$ASM_OPERATION to record the status of the operation?A. ADD DIRECTORYB. DROP DISKC. RESI 阅读全文
posted @ 2017-11-08 13:31 巴啦啦大魔王 阅读(193) 评论(0) 推荐(0)
053-539
摘要：How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it hasalready completed?A. Issue the ALTER DISKGROUP ... ADD DISK comma 阅读全文
posted @ 2017-11-08 13:24 巴啦啦大魔王 阅读(135) 评论(0) 推荐(0)
053-538
摘要：Which type of database file is spread across all disks in a disk group?A. All types of files are spread across all disks in the disk group.B. Datafile 阅读全文
posted @ 2017-11-08 13:15 巴啦啦大魔王 阅读(94) 评论(0) 推荐(0)
053-537
摘要：On the development database rac0, there are six raw devices: /dev/raw/raw1 through /dev/raw/raw6./dev/raw/raw1 and /dev/raw/raw2 are 8GB each, and the 阅读全文
posted @ 2017-11-07 18:06 巴啦啦大魔王 阅读(141) 评论(0) 推荐(0)
053-536
摘要：Which background process coordinates the rebalance activity for disk groups?A. ORBnB. OSMBC. RBALD. ASMn RBAL coordinates rebalance activity for a dis 阅读全文
posted @ 2017-11-07 17:41 巴啦啦大魔王 阅读(147) 评论(0) 推荐(0)
053-534
摘要：How can you reverse the effects of an ALTER DISKGROUP ... DROP DISK command if it has not yet completed?A. Issue the ALTER DISKGROUP ... ADD DISK comm 阅读全文
posted @ 2017-11-07 17:26 巴啦啦大魔王 阅读(116) 评论(0) 推荐(0)
053-532
摘要：As DBA for the Rebel Alliance you have decided that you need to facilitate some redundancy in yourdatabase. Using ASM, you want to create a disk group 阅读全文
posted @ 2017-11-07 13:33 巴啦啦大魔王 阅读(126) 评论(0) 推荐(0)
053-529
摘要：Which initialization parameter in an ASM instance specifies the disk groups to be automaticallymounted at instance startup?A. ASM_DISKMOUNTB. ASM_DISK 阅读全文
posted @ 2017-11-07 12:23 巴啦啦大魔王 阅读(116) 评论(0) 推荐(0)

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