topic Re: Scan HD bad sector in Operating System - Linux

Scan HD bad sector

Intothenewworld — Fri, 13 Jan 2012 01:22:40 GMT

I use RHEL linux server , I would like to check if the server have had server , can advise is there any command / tool can do that ?

Thanks.

Re: Scan HD bad sector

Goran Koruga — Fri, 13 Jan 2012 06:13:13 GMT

Hello.

The 'badblocks' command can be used. Note that modern drives have spare sectors which are used when bad sectors start developing - to see how many are used (via SMART) use the 'smartctl' command to query it.

Regards,

Goran

Re: Scan HD bad sector

Intothenewworld — Thu, 19 Jan 2012 01:46:57 GMT

thx reply , I use the command badblocks to check ,there are some bad block found .

I checked my vendor , this bad block is come from the raid set , most likely not from the HD bad block .

can advise if I use Raid 5 , how can I check the HD bad block ?

Thanks.