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## Verify Hard Drive Functionality

1. Determine if you replaced or installed a hard drive in a running server or not.

   - If you replaced or installed a hard drive in a server that is running (if you hot-plugged the hard drive), then no further action is necessary. The Solaris OS will auto-configure your hard drive.

   - If you replaced or installed a hard drive in a powered-down server, then continue with these procedures to configure the hard drive.

2. If the OS is shut down, and the drive you replaced was not the boot device, boot the OS.

   Depending on the nature of the replaced drive, you might need to perform administrative tasks to reinstall software before the server can boot. Refer to the Oracle Solaris OS administration documentation for more information.

3. At the Oracle Solaris prompt, type the `cfgadm` `-al` command to list all drives in the device tree, including any drives that are not configured:

       # cfgadm -al

   This command helps you identify the drive you installed. Example:

       Ap_id                       Type         Receptacle   Occupant        Condition
       ...
       c2                          scsi-sas     connected    configured      unknown
       c2::w5000cca00a76d1f5,0     disk-path    connected    configured      unknown
       c3                          scsi-sas     connected    configured      unknown
       c3::sd2                     disk-path    connected    unconfigured    unknown
       c4                          scsi-sas     connected    configured      unknown
       c4::w5000cca00a59b0a9,0     disk-path    connected    configured      unknown
       ...

4. Configure the drive using the `cfgadm` `-c` `configure` command.

   Example:

       # cfgadm -c configure c2::w5000cca00a76d1f5,0

   Replace `c2::w5000cca00a76d1f5,0` with the drive name for your configuration.

5. Verify that the blue Ready-to-Remove LED is no longer lit on the drive that you installed.

   See Hard Drive LEDs.

6. At the Oracle Solaris prompt, type the `cfgadm -al` command to list all drives in the device tree, including any drives that are not configured:

       # cfgadm -al

   The replacement drive is now listed as configured. Example:

       Ap_id                       Type         Receptacle   Occupant        Condition
       ...
       c2                          scsi-sas     connected    configured      unknown
       c2::w5000cca00a76d1f5,0     disk-path    connected    configured      unknown
       c3                          scsi-sas     connected    configured      unknown
       c3::w5000cca00a772bd1,0     disk-path    connected    configured      unknown
       c4                          scsi-sas     connected    configured      unknown
       c4::w5000cca00a59b0a9,0     disk-path    connected    configured      unknown
       ...

7. Perform one of the following tasks based on your verification results:
   - If the previous steps did not verify the drive, see Diagnostics Process.
   - If the previous steps indicate that the drive is functioning properly, perform the tasks required to configure the drive. These tasks are covered in the Oracle Solaris OS administration documentation.

   For additional drive verification, you can run the Oracle VTS software. Refer to the Oracle VTS documentation for details.

##### Related Information

- Hard Drive Hot-Pluggable Capabilities

- Hard Drive Configuration Reference

- Hard Drive LEDs

- Locate a Faulty Hard Drive

- Remove a Hard Drive

- Install a Hard Drive

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