Date: Mon, 7 Dec 2015 23:37:34 +0530 From: prateek sethi <prateekrootkey@gmail.com> To: freebsd-scsi@freebsd.org Subject: bad disk discovery Message-ID: <CABD8d0rTD2Fu9QsqLKREBcA-nndQrUH8F8DWrPh_KQB64qjy1Q@mail.gmail.com>
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Hi , Is there any way or tool to find out that a disk which is not responding properly is really bad or not? Sometimes I have seen that there is lot of CDB error for a drive and system reboot makes every thing fine. What can be reasons for such kind of scenarios? I know smartctl is the one which can help. I have some couple of question regarding this . 1. What if disk does not support smartctl? 2. How I can do smartest use of smartctl command like which parameters can tell that the disk is actually bad? 3. What other test I can perform to make it sure that disk has completely gone? Please tell me correct place to ask this question if I am asking at wrong place.
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