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Author Topic: Linux USB RAID monitoring  (Read 1666 times)
mgillespie
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« on: September 05, 2009, 06:13:55 AM »

Hi, I have a Western Digital MyBook Mirror (RAID1).  It's a USB2 device, there is a Windows utility to monitor the RAID status, but nothing for Linux, let alone ARM Linux.

Anyone know how I can monitor the status of the RAID array, so I can tell if one of the mirror drives needs replacement?
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rooster
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« Reply #1 on: September 08, 2009, 07:04:52 AM »

you can first look at /proc/mdstat to see the RAID status and also use mdadm utility to see more information regarding the RAID and manipulate it if you like
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mgillespie
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« Reply #2 on: September 08, 2009, 07:34:28 AM »

I don't have a /proc/mdstat

Does this work for USB mirrored arrays, or just local IDE/SCSI ones?   I was under the impression the mirroring was done invisibly by the chipset in the USB enclosure, so I don't see how this can tie up with the /proc/mdstat.
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