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Shared storage is a NAS (Network Attached Storage) device that acts as repository of shared file data. In essence, it is a large, redundant, high performance file server.
Let’s discuss some different options for clustered file storage.
Let’s say you have an application where customers upload documents and those files need to be immediately available to multiple web servers. There are three technical approaches you could take, each having various pros and cons.
1) Replicate a copy of the file to every server. If a file is updated on one server, software can be used to replicated the required files to all of the other web servers.
2) Use a server as a file repository. You could have a single server that acts as the file repository for all of your applications.
3) Use a NAS share – A NAS share is the best option for linear scaling of your storage from and to any size. Instead of storing a copy of your file on every server, or having a single server as a potential point of failure, NAS devices have a tremendous amount of redundancy built into the platform; multiple brains, multiple paths, multiple shelves, all work in concert to ensure the availability of your data.
NAS allows for backups of very large volumes in a cost efficient manner. NAS also support both CIFS (for Windows) and NFS (for Linux).
NAS is a great fit if you have:
Edge relies on technology from NetApp, the best in the business when it comes to NAS. Below is a typical hosting solution which utilizes NAS:
NAS, can optionally be configured to autogrow. Contact our support team if you would like to enable this feature on your volumes. Instead of running out of space, the NAS can simply become larger as you use it. Here are Edge’s parameters for autogrow:
|Volume size||Trigger point|
|< 20 GB||85%|
|20 – 100 GB||90%|
|100 – 500 GB||92%|
|500 GB – 1TB||95%|