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Old 09-02-2014, 05:33 PM   #1
adadani
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Bad drive


Hi everyone,

Thanks for taking the time to help me here. I just need to know if there's any way I can check on the OS if there's a failed drive on a SAN. I'm running CentOS.
 
Old 09-02-2014, 06:34 PM   #2
AlucardZero
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using the management software that comes with or for the SAN, sure
 
Old 09-03-2014, 12:13 AM   #3
adadani
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So I found out it's RAID 1 but how can I check for any bad sectors?
 
Old 09-03-2014, 05:18 PM   #4
jefro
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Tell us more about this san. Generally one uses smart diags or the hard drive OEM diags to determine the actual quality of a physical drive.
 
Old 09-03-2014, 06:54 PM   #5
adadani
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The SAN is basically a collection of disks that we put together running on a CentOS box. We don't have any diagnostic tools or anything like that. I discovered the potentially bad drive because the light on the drive does not work, however, all the other lights are on. Just to make sure I don't have a bad light, I was wondering if there was any way I could check all the disks on this box. I have already ran cat /proc/mdstat and /var/log/messages, but nothing sticks out.
 
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Old 09-03-2014, 09:38 PM   #6
frankbell
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This article explains how to use smartctl (the SMART tools) to check a RAID array.

http://www.cyberciti.biz/faq/linux-c...d-controllers/
 
Old 09-05-2014, 12:53 AM   #7
adadani
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Great! Thank you for the information. I will let you know what happens, thanks again!
 
Old 09-09-2014, 08:58 PM   #8
adadani
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Looks like the drive was seated properly and not active. We had to re-activate it and add it to the array.

Thanks for all the help!
 
  


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