How do I check the health of my 3ware RAID array under any Linux distribution? How do I access 3ware RAID Array web interface?
You need to download required command line tools from 3ware support web site. You can also find the same on driver cd / floppy disk. For example, I’ve downloaded a file called tw_cli-linux-x86_64-9.4.1.3.tgz for my 64 bit Linux server from above site. You need to get tool according to your device.
# tar -xvf tw_cli-linux-x86_64-9.4.1.3.tgz
Once tool is installed look for command called tw_cli. It is a Command Line Interface Storage Management Software for AMCC/3ware ATA RAID Controller(s). It provides controller, logical unit and drive management
To see the health of the RAID array, enter:
# ./tw_cli /c0 show
# ./tw_cli /c1 show
Sample output:
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy ------------------------------------------------------------------------------ u0 RAID-1 OK - - - 232.82 ON ON Port Status Unit Size Blocks Serial --------------------------------------------------------------- p0 OK u0 232.88 GB 488397168 WD-WCAV20957520 p1 OK u0 232.88 GB 488397168 WD-WCAV20957786
You can read more about command syntax here or just refer to local man page called tw_cli. I don’t recommend browser interface over Internet it can create a security risk.
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Nice tip, thank you.