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| Section | Objectives |
|---|---|
| Cluster Configuration and Administration | - Storage provisioning and management - SmartPools policy management - Initial cluster setup and configuration |
| Performance and Scalability | - SmartConnect load balancing - Cluster scaling strategies - Performance monitoring and tuning |
| Data Protection and Availability | - Backup integration (NDMP) - Snapshots and snapshot schedules - SyncIQ replication and disaster recovery |
| Data Access and Protocols | - Multiprotocol environments - NFS and SMB configuration and optimization - Authentication and identity management integration |
| Isilon Cluster Architecture (OneFS) | - OneFS distributed file system fundamentals - Cluster nodes, roles, and architecture components - Data layout and protection mechanisms (erasure coding, mirroring) |
| Troubleshooting and Maintenance | - System monitoring and alerts - Common cluster issues and resolution - Log analysis and diagnostics |
1. Where does SmartCache stage its write cache?
A) DRAM
B) SSD
C) DISK
D) NVRAM
2. A customer has two data centers (Site A and Site B) and in each data center there is an Isilon cluster. They are replicating data between the sites using SyncIQ. You have been reviewing their disaster recovery plan and found the following:
-The policies specify that SyncIQ runs a replication job every 3 hours and that the job finishes within 1 hour. -Three additional hours will be needed to get servers and the network redirected to work from Site B.
What is the Recovery Point Objective in this plan?
A) 5 Hours
B) 2 Hours
C) 3 Hours
D) 4 Hours
3. On an Isilon node, where are file system operations initiated?
A) L2
B) NVRAM
C) L1
D) Disk
4. A customer's Isilon storage administrator is concerned about capacity after recently ingesting 200 TB of file data. The customer has recently added more nodes to the cluster and wants to auto-balance the cluster as soon as possible. The cluster utilization percentages for an average 24hour period are:
-45% during 00:00 - 08:59 -60% during 09:00 - 17:00 -% during 17:01 - 23:59
While keeping cluster utilization at a minimum, which Impact Policy settings will allow the job to complete quickly without impacting the production workload?
A) Medium, Medium, Low
B) Medium, Low, Low
C) High, High, Low
D) High, Medium, Paused
5. For concurrent I/O, how are Endurant Cache and SmartCache different?
A) Endurant Cache waits for acknowledgement from all nodes before copying to L2 cache
B) Endurant Cache sends an acknowledgement to the client immediately after mirroring writes in NVRAM
C) SmartCache immediately commits the write to NVRAM on the local node and one peer node
D) SmartCache uses sub-file, granular locking whereas Endurant Cache locks the entire file
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: A | Question # 5 Answer: B |
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