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1. TOC {:toc} ```bash # to see specific information about a disk hdparm -i /dev/sdc # do a read speed test hdparm -tT /dev/sdc # S.M.A.R.T stuff # show everything about the disk smartctl -a /dev/sdc # how long has the disk been powered on in total smartctl -A /dev/sdc | grep Power_On_Hours # test for unreadable blocks on disk badblocks -s /dev/sdc ``` ## Resources and More {: .no_toc }