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Which tool can be used to model the service time of the storage workload for a customer considering a storage consolidation to a new IBM storage platform?
Disk Magic is a tool for sizing and modelling disk systems for various servers.
Using Disk Magic will provide you with more knowledge about how performance for your specific workloads will change under various growth and/or hardware configuration scenarios.
A customer wants a new tape library. The customer currently uses LTO-5 tapes but has some older archive tapes on LTO-4.
What is the highest level tape drive the customer can install and still read the older archive tapes and write to the LTO-5 tapes?
A customer has an existing IBM XIV Gen3 solution with 3 TB drives and nine modules. While performance is acceptable, the customer wants to increase the performance of small-block reads. The current nine modules are running at 60% of capacity.
Which solution should the technical specialist recommend?
SSD Caching improves small-block random read performance. SSD Caching in the XIV system can improve performance of any workload that is suffering from high latency due to a high amount of small-block random read misses.
Consider a situation where you do not have an XIV system yet, but you want to know whether you might benefit from by extending the XIV with SSD Caching. On most storage systems, you can inspect I/O statistics and determine whether a workload can benefit from SSD Caching. If the storage system has granular reporting, you can take the following steps:
Etc.
References: http://www.redbooks.ibm.com/redpapers/pdfs/redp4842.pdf
Solid-State Drive Caching in the IBM XIV Storage System (May 2012), page 20
A customer has a heterogenous environment and is looking for a provisioning and monitoring layer for its storage environment.
Which product within IBM Spectrum Suite provides this?
A customer needs to import and export volumes between IBM Spectrum Virtualize clusters that are geographically separated.
How can this be accomplished?
Transparent cloud tiering is a licensed function that enables volume data to be copied and transferred to cloud storage. The system supports creating connections to cloud service providers to store copies of volume data in private or public cloud storage.
With transparent cloud tiering, administrators can move older data to cloud storage to free up capacity on the system. Point-in-time snapshots of data can be created on the system and then copied and stored on the cloud storage.
