From the course: Exploring Linux Internals: Advanced Insights and Practical Applications

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Understanding iSCSI

Understanding iSCSI - Linux Tutorial

From the course: Exploring Linux Internals: Advanced Insights and Practical Applications

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Understanding iSCSI

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- All right, so one of the storage solutions that you might be interested in is iSCSI. And I want to make a drawing to give you an overview of what iSCSI normally would look like if you are going to implement it. So you would have the iSCSI SAN. And what is the iSCSI SAN? Well, it's a box with a lot of disks. We also call it the iSCSI target because that's software that you are going to run on the SAN. It's a lot of disks, but you are going to join these disks and you are going to represent them as LUNs. So you'll have LUN0. Logical Unit is what it stands for. And LUN1. Below the LUN0 and the LUN1, you can create a very complex storage solution, like a write solution to make sure that it is really reliable and it will be available at all times. Then you are going to use this iSCSI on your nodes, but how are you going to do that? Well, your nodes are here. Your node1 and your node2 for instance. And these nodes connect to iSCSI by using a storage network. So in this storage network…

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