5. At the command line, enter one of the following commands:
v If your system is running AIX, type shutdown
v If your system is running IBM i, type PWRDWNSYS *IMMED
v If your system is running Linux, type shutdown -h now
These commands stop the operating system. The system power turns off, the power-on light begins to
slowly flash, and the system goes into a standby state.
6. Unplug the ac power cord and plug it back in.
7. The service processor is reset. Start the server. This ends the procedure.
Resetting the managed system connection from the HMC
Use this procedure to reset the managed system connection from the HMC.
Perform these steps to reset the managed system connection:
1. In the navigation area, open Systems Management.
2. Select Servers.
3. In the contents area, select the server on which you want to reset the connection.
4. In the Tasks area, open Connections.
5. Select Reset or Remove Connection.
6. Select Reset Connection.
7. Click OK.
Checking for a duplicate IP address
You can check for a duplicate IP address by using the Hardware Management Console (HMC) or the IBM
Systems Director Management Console (SDMC).
To check for a duplicate IP address by using the HMC, complete the following steps:
1. On the HMC, right-click the desktop and select terminal > rshterm.
2. Issue this command: lssyscfg -r sys -F "name,ipaddr".
A list of managed system names and their IP addresses (or host names) is displayed.
3. Check for duplicate IP addresses.
To check for a duplicate IP address by using the SDMC, complete the following steps:
1. On the SDMC, right-click the desktop and select terminal > rshterm.
2. Issue this command: smcli lssyscfg -r sys -F "name,ipaddr".
A list of managed system names and their IP addresses (or host names) is displayed.
3. Check for duplicate IP addresses.
Disk drive
Use this procedure to replace the disk drive.
Your system can be powered off or powered on when you replace the disk drive. If the system is
running, you can replace a disk drive with the power on. If it is not, or if the disk drive to be replaced is
in the AIX or Linux root volume group (rootvg) and it is not protected with either a redundant array of
independent disks (RAID) or mirroring, use the procedure for replacing the disk drive with the power
off.
1. Do you want to replace the disk drive concurrently with system operations and the unit powered on?
Common service procedures 77
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