How to Diagnose IBM SVC Replication Performance Issues
This blog outlines how you can monitor and diagnose SVC/V7000 performance issues that may be caused by replication.
IBM Spectrum Virtualize Replication Pros and Cons
For most SAN performance analysts, there seems to be a bit of a mystery in how replication works. On the surface, it is simple. Data is written to a primary copy and either synchronously or asynchronously copied to a secondary location with the expectation that a loss of data at the primary site would result in minimal data loss and a very minimal recovery effort.
There are several types of replication, and each type has its nuances. Each of these technologies should be evaluated in light of various business requirements.
And getting visibility into those key areas for analyzing replication is crucial to get to the root cause quickly and proactively prevent performance issues from occurring.
In this webinar, Brett Allison, Director of Technical Services of IntelliMagic, will cover the following:
- How do you determine the best technology fit?
- What are the IBM Spectrum Virtualize Replication Options?
- Global Mirror
- Metro Mirror
- Global Mirror with Change Volumes
- Stretched Cluster
- What are the pros and cons of each?
- Use Case: Analyzing IBM Spectrum Virtualize Global Mirror
Related IBM Spectrum Virtualize Replication Resources
Storage Performance Analysis for IBM Spectrum Virtualize
This white paper discusses the end-to-end I/O path, SVC architecture, SVC key measurements, and then provides guidance in diagnosing and resolving performance issues.
Should I Disable SVC Write Cache for Flash?
It has been suggested that in order to maximize throughput for large sequential operations on SVC volumes residing entirely on IBM Flash systems, you should consider disabling the write cache.
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