This article describes how to identify the hard drive slot location in ZFS.

To locate a particular drive serial number:

In this example we are looking for the serial number of /sdc  substitute the drive letter with the one you are search for such as /sdb or /sdf

1. Log in as root.
2. Type: hdparm -i /dev/sdc.
3. The output will give you the hard drive serial number.

To locate the physical slot of the hard drives:

1. Log in as root.
2. Type: lshw -c storage -class disk.
3. The output will show the the physical slots the drives are attached to.  Physical ID's should begin with slot 0 (drive 1 is in slot zero as an example).
4. Run the above commands to identify a particular drive, then power off the system and physically check the drive serial number to confirm.

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