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5374
January 20th, 2018 15:00
Migrate from Isilon Gen5 to Gen6
What are best available solutions for migrating from Isilon Gen5 to Isilon Gen6 hardware.
Please suggest available options.
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sbillas
13 Posts
0
January 22nd, 2018 02:00
To set the expectations right.
Unless SmartPools is licensed you will not have a default pool policy. You will not be able to move data from the old nodes (in advance) or prevent new data from being written to them.
Still you can follow the above migration.
Depending on the node size and amount of data stored on the old nodes, a SmartFail will take some time as it reprotects the data on the other nodes. SmartFailed node is still available so it will read and copy from it so it is quite fast.
When the last of the old nodes is SmartFailed all data will be on the new nodes and the migration is done.
From my experience I try to set the customer expectation at 1-2days to SmartFail a node (X400 and NL400 nodes)
Other option is to use SyncIQ. Setup a new cluster with the new nodes and SyncIQ data there. Use Superna Eyeglass for a better switchover when done. This needs a lot more planing. Snapshots will not transfer over etc. Other dependencies might make this option a bad and difficult choice. Only use this if you absolutely need Eth switches in the back-end.
/Sam
crklosterman
450 Posts
2
January 21st, 2018 17:00
In a perfect world you just add the new nodes to the same set of back-end switches as the old nodes, change the default file pool policy, and move over the network connections. Then once the old nodes are empty you just smart fail them 1 by 1. Just make sure your account team accommodates for this in the quantity of switch ports and the choice of back-end interfaces used in the Gen6 nodes. In other words use Infiniband, not ethernet. You may also have to upgrade the firmware and version of OneFS on the old cluster before you're able to add the new nodes to the cluster as well. Use the procedure generator to create a proper procedure for it.
~Chris
AdamFox
254 Posts
1
January 22nd, 2018 07:00
The good news here is that starting with 8.1, customers can enable a temporary license for any feature once on the cluster itself without going to the sales team to get a key. Since 8.1 is required for Gen6, you can enable the license if you don't have it. Or if you want to do a SyncIQ migration, you could enable that.