单一存储故障时数据不丢,业务不停
Virtual Disk Mirroring的两套镜像vDisk可以各自分布在两套SVC上
Virtual Disk Mirroring的两套镜像vDisk可以各自分布在两套物理存储设备上
可以为已有的VDisk加入一份拷贝形成VDM,也可以从VDM中分离出一份拷贝
第1题:
A.Mirroring, with the write-verify option turned on, can be used to increase performance.
B.Mirroring is a better choice that disk-striping, for large sequential-access file system when one is looking for performance.
C.Mirroring, with a parallel-scheduling policy, may improve I/O read-operation performance.
D.Mirroring, with maximum inter-disk allocation policy, is used to enhance availability.
第2题:
存储快照(snapshot)的定义是()。
第3题:
A. When two-way disk mirroring is required for the allocation units
B. When three-way disk mirroring is required for the allocation units
C. When using hardware mirroring or RAID
D. When disk mirroring is required for the Automatic Storage Management (ASM) disks
第4题:
以下关于VirtualDiskMirroring的描述不正确的是()
第5题:
在利用 SVC 构建双活的数据中心时, SVC 的什么功能发挥最主要的作用?()
第6题:
Which Virtual IO Server function allows disk to be shared by multiple LPARs?()
第7题:
以下关于 SVC实施过程的描述,错误的是:()
第8题:
Examine the CREATE DISKGROUP command used to create a disk group:SQL> CREATE DISKGROUP misc EXTERNAL REDUNDANCYDISK ‘ORCL: FRA3‘ NAME misc1, ‘ORCL: FRA4‘ NAME misc2;In which situation would you use this method of disk group creation?()
A. When two-way disk mirroring is required for the allocation units
B. When three-way disk mirroring is required for the allocation units
C. When using hardware mirroring or RAID
D. When disk mirroring is required for the Automatic Storage Management (ASM) disks
第9题:
以下关于SVC内部的在线数据迁移方式的描述,不正确的是()
第10题:
某客户规划建立同城灾备中心。主备存储间的线路距离为 10KM 左右。客户希望采用存储级同步复制技术,但又但心存储品牌受限,未来会缺失议价能力。以下哪项是 最适合作为向客户推荐 SVC 的理由?()