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Posted by pete on May 8th, 2008

When you need to hot-add a SCSI disk to a Linux server, the following command will get the OS to re-scan the SCSI bus:

echo - - - >/sys/class/scsi_host/host$NUMBER/scan

$NUMBer is usually 0, but if you have more SCSI busses, you need to verify.

For more information on this, check here.

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