By Ravi Prakash, Director Product Marketing
When you migrate to iSCSI what should you be thinking about?
If you are planning to migrate your application workloads from Fibre Channel block storage to iSCSI storage, Virtual Instruments can help you on this journey!
Virtual Instruments is the leader in Application workload monitoring and validation from production to the lab. Starting with the ability to monitor and characterize your application workloads in production with VirtualWisdom, to simulating and performing what-if scenarios in the lab with WorkloadWisdom.
WorkloadWisdom is designed to analyze, model and simulate your workloads based on your production storage data with the industry’s highest fidelity coming from the integration with VirtualWisdom. You can view a workload in terms of read, write, metadata operations, block/file size distribution and more.
It is easy to replay your application workload behavior against either FC or iSCSI storage targets and compare them. The WorkloadWisdom iteration engine is data driven and automates the testing of hundreds and thousands of permutations by iterating through a given set of parameter values. This allows you to find breaking points or sweet spots of the iSCSI storage targets you are evaluating until you identify the storage setup which meets your workload requirements.
Once you begin migrating to iSCSI how do you ensure that applications are meeting their SLAs to the business? Read on for the answer…
Monitor iSCSI application conversations at wire-level
VirtualWisdom is an AIOps platform that provides a “single pane of glass” across your hybrid application infrastructure. VirtualWisdom delivers proactive application-centric dashboards that provide recommendations to optimally balance your workloads in production and can be tailored for application owners, executives and many other roles within IT Operations.
Our dashboards are built on full-stack monitoring for your infrastructure from applications to data and VirtualWisdom is unique in its ability to combine compute, network and storage machine data with high fidelity wire data to measure every storage transaction in a Fibre Channel or iSCSI environment.
The VirtualWisdom purpose-built Performance Probe for NAS and iSCSI gives you visibility into every application conversation over iSCSI at the highest fidelity available in the industry.
Consider the dashboard above which could be used by a VP or Director of Infrastructure:
Let us investigate the Order Manager application in further detail to identify root cause of its inability to meet an agreed upon SLA between IT and the business.
Order Manager is a Platinum tier application, running in 4 virtual machines and using iSCSI block storage. In the Storage Health panel there is a notification for an alarm on one of the front-end ports of the iSCSI storage system. Selecting this notification automatically takes you to the relevant case where you’re given additional details and guidance about the alarm:
From the chart above we observe that an alarm threshold has been breached which is impacting two applications: Order Manager (a Platinum tier application) and Supply Chain ETL (a Silver tier application). VirtualWisdom can automatedly discover application configuration and business criticality from multiple ITSM and APM solutions.
Using this information, we can ask Trend Matcher (another one of VirtualWisdom’s purpose-built analytics) to help use figure out what is impacting the Order Manager application.
From the Trend Matcher results we conclude that Supply Chain ETL is behaving like a noisy neighbor and impacting the SLA of the mission critical Order Manager application!
This is just one of many issues you can resolve using VirtualWisdom, the data it collects (from a variety of software integrations), and the Performance Probe for NAS.
Note it is not only the ability to collect iSCSI metrics at high fidelity that makes VirtualWisdom unique. VirtualWisdom can ingest data for the entire infrastructure stack and correlate the resulting 17,000 or more unique metrics using Artificial Intelligence and Machine Learning-based analytics to help customers avoid application downtime and improve MTTR by providing automated recommendations and root cause analysis for applications within your infrastructure.
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