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This article mainly explains "how to view Raid information under the Linux system". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to view Raid information under the Linux system".

Software raid: can only be viewed through the Linux system itself

Cat / proc/mdstat

You can see the raid level, status and other information.

Hardware raid: the best way is to view it through the installed raid vendor's management tools, including cmdline and a graphical interface. For example, the hardware card of Adaptec can be viewed by the following command:

# / usr/dpt/raidutil-L all

You can see very detailed information.

Of course, more often than not, there are no corresponding management tools installed, so we can only rely on Linux itself. Generally speaking, there are two ways I know:

# dmesg | grep-I raid

# cat / proc/scsi/scsi

The information displayed is about the same, raid manufacturer, model, level, but can not view the information of each hard drive.

In addition, after the actual test, the server of Dell can be displayed through the command, while the server of HP, IBM and so on can not be displayed by the command above. It can only be viewed by installing the hardware manufacturer's management tools.

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