A customer is planning to virtualize their current production Oracle environment. To obtain advice, they hired EMC Application Virtualization Assessment for Oracle. After assessing the environment, EMC found that the databases consist of
large, single server databases with high utilization, and a small number of application servers with high utilization.
What should be EMC's response to the customer?
A. This is a poor virtualization candidate for production databases and application servers, but a good candidate for EMC FAST VP, FAST Cache and EMC Unified Storage, respectively.
B. This is an excellent virtualization candidate for production databases and application servers.
C. This is an excellent virtualization candidate for production databases, but a poor virtualization candidate for application servers, and a good candidate for EMC Unified Storage.
D. This is a poor virtualization candidate for production databases, but a good candidate for EMC FAST VP and FAST Cache, and an excellent virtualization candidate for application servers.
A VMware v4 customer is considering consolidation of their environment to support their cloud IAAS (Infrastructure as a Service) initiative on VNX storage. They have a number of customers interested in deploying clustered application servers, across many varied application environments, onto this new infrastructure.
What advice would you give your customer to help them formulate their new environment and minimize their administrative overhead?
A. Upgrade to vSphere 5. Deploy standardized VM templates and hardware Version 8.
B. Remain at vSphere 4. Upgrade datastores to VMFS-5 and use EVC.
C. Introduce several vSphere 5 servers. Upgrade all datastores to VMFS-5 and use FT.
D. Remain at vSphere 4. Increase current VM images to support 1 TB of memory and deploy HA.
Your customer has a single threaded legacy application with a sequential write workload. They are currently performing a storage technology refresh. They ask you to architect a solution using VNX systems configured with NL-SAS, SAS and Flash drives.
Which drive and RAID protection should they use for the legacy application?
A. SAS drives; RAID 5 protection
B. Flash drives; RAID 5 protection
C. SAS drives; RAID 6 protection
D. NL-SAS drives; RAID 6 protection
A VNX customer has several users on their CIFS share, which is also used for dedupe/compression. In addition, replication is in place with checkpoints on both ends to handle backup needs. Since dedup was activated a few days ago, all changed blocks that the dedupe process flags to eliminate from the primary FS get copied into the SavVol. Now, deduplication has been aborted. What could have caused this to happen?
A. The SavVol was extended
B. The SavVol extension protection mechanism was disabled
C. Older checkpoints were deleted
D. Checkpoints were deleted out of order
Your customer wants to enable file deduplication on an existing data-populated VNX for File system, based on the following specifications:
Moderately busy file system scan rate: 500 files per second
Moderately busy file system ingest scan rate: 5 MB/sec
Number of files: 1 M
Average file size: 50 KiB
Estimated deduplication: 30%
How long will the initial deduplication take to complete?
A. 25 min
B. 42 min
C. 82 min
D. 116 min
A VMware Administrator has received numerous reports from his users about performance degradation. The administrator believes that your storage design on the VNX is the reason for the symptoms.
You ask the administrator for an esxtop analysis of the affected ESXi server. When you examine the report and notice that the value on the Load Average Line is 2.00.
What would you report back to the administrator?
A. The ESXi server is overloaded. The VMs should be redistributed or physical CPUs added.
B. The VM load is 2% of the total ESXi capacity. There is a different reason for the condition.
C. Each VM is only 2% loaded of their individual capacity. They are not the cause of the condition.
D. The ESXi CPU multiplier is set to 2, allowing each VM to have four vCPUs configured. Further investigation is required.
Your customer has a Microsoft SQL installation on a VMware guest Windows 2008 Server using VMFS. The ESXi server uses a VNX system. The VMFS has been properly aligned with the physical disk.
What would you recommend to your customer to avoid misalignment between a partition used by the Windows 2008 Server and the underlying physical disk?
A. Alignment is automatically handled by Windows.
B. Use an NTFS allocation unit size of 32 KB and an offset value of 1024.
C. Use an NTFS allocation unit size of 64 KB and an offset value of 1024.
D. Alignment for the virtual disk is handled by VMFS.
You are designing a VNX storage solution for an Oracle database implementation. The VNX is populated with Flash, SAS and NL-SAS drives. The customer has asked you to recommend the optimal disk layout for the Oracle Automated Storage Manager instance disk group.
Which recommendation best conforms to EMC best practices?
A. 8 RAID 1/0 Flash LUNs
B. 4 RAID 1/0 Flash LUNs, 4 RAID 1/0 SAS LUNs
C. 4 RAID 1/0 Flash LUNs, 4 RAID 5 Flash LUNs
D. 4 RAID 1/0 SAS LUNs, 4 RAID 6 NL-SAS LUNs
A customer is concerned about the VNX Unified storage performance. The VNX provides storage services for variety of Windows and UNIX application servers. When monitoring the switches they notice heavy traffic between the servers and the storage.
The LUN analysis yields the following results: $ /nas/sbin/naviseccli -h spa getdisk 1_0_4 -rds -wrts -bytrd -bytwrt Bus 1 Enclosure 0 Disk 4 Read Requests: 478651 Write Requests: 202813 Kbytes Read: 47457840 Kbytes Written: 6449720
What is the I/O size being used to send data to disk?
A. 8 KB
B. 12 KB
C. 16 KB
D. 32 KB
You have designed an Auto-tiering solution using Flash, SAS, and NL-SAS disks in your storage pool. Your design was implemented and scheduling has been running daily. The customer reports that there is no data in the NL-SAS tier.
Why is this the case?
A. Data was previously moved to another tier
B. Scheduling is not required for this configuration
C. Tiering is set up for Lowest Available Tier
D. There was no data in the Flash drives to start with
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