Dear sysadmin lazyweb: I'm using a MegaCLI RAID controller and need to find the serial number of a failed drive as written on the drive enclosure so I can replace it. Does anyone know the magic voodoo for this? (I can also accept getting serial numbers of all non-failed drives)
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Their preferred method for replacing physical drives seems to be 'blink the light', but for whatever reason the lights don't blink, and I just want the serial number off the chassis
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Helpful replies in this thread plus futzing led me to a winning invocation: smartctl -d megaraid,0 -a /dev/sdb Which seems to work, where a vanilla "smartctl -a /dev/sdb" gave a nonsensical serial number. To all who helped me, long may your drives spin with no errors.
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I'm pretty sure there's also someone whose sole job is to turn the megacli download-location into a new "where's Waldo" puzzle every other week. "You downloaded the software last week? Great job! Now try and find it THIS week!"
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It is so annoying to use, I have a wiki at work to hold snippets like
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Have you considered using OpenZFS? ZFSonLinux is officially supported on Ubuntu and would solve that problem ;-)
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