The information provided in this view is all fairly well labeled. UUID : 0dc2e687:1dfe70ac:d440b2ac:5828d61dįrom this view you can see the RAID level, the array size, the health of the individual pieces, the UUID of the array, and the component devices and their roles. Name : mdadmwrite:0 (local to host mdadmwrite) The important information about the array will be displayed:Īrray Size : 209584128 (199.88 GiB 214.61 GB) To get detailed information about a RAID device, pass the RAID device with the -D or -detail option to mdadm: One of the most essential requirements for proper management is the ability to find information about the structure, component devices, and current state of the array. Querying for Information about RAID Devices This guide will assume that you have one or more arrays to operate on. Follow our guide on how to create RAID arrays with mdadm on Ubuntu 16.04 to create one or more arrays before starting on this guide. You can follow our Ubuntu 16.04 initial server setup guide to set up an appropriate user.Īs mentioned above, this guide will cover RAID array management. To complete this guide, you will need access to a non-root sudo user. ![]() ![]() This tutorial aims to be a reference for a conventional RAID setup. The efficiency of datacenter disk replication makes the benefits of a RAID negligible, relative to a setup on baremetal hardware. Info: Due to the inefficiency of RAID setups on virtual private servers, we don’t recommend deploying a RAID setup on DigitalOcean droplets.
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