How to view raid log information

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

cat /proc/mdstat

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

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Hardware raid: The best way is to check it through the installed raid manufacturer's management tool, there is cmdline, There is also a graphical interface. For example, Adaptec's hardware card can be viewed through the following command:

# /usr/dpt/raidutil -L all

You can see very detailed information.

Of course, more often than not, the corresponding management tools are not installed. If you can only rely on Linux itself, there are generally two ways:

# dmesg |grep -i raid
# cat /proc/scsi/scsi

The information displayed includes the manufacturer, model, and level of the raid, but Unable to view information about each hard drive.

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