Sun Fire X4540 Server
 

PLA-Support>Sun Systems>Sun_Other>Sun Collections>SN-OTH: x64-CAP VCAP
 

In this Document

Goal

Solution

References

Applies to:

Goal

 How to Replace a Sun Fire X4540 HDD (Predictive Failure).

Solution

DISPATCH INSTRUCTIONS

WHAT SKILLS DOES THE FIELD ENGINEER/ADMINISTRATOR NEED:
No special skills required, Customer Replaceable Unit (CRU) procedure

TIME ESTIMATE: 30 minutes

TASK COMPLEXITY: 0

FIELD ENGINEER/ADMINISTRATOR INSTRUCTIONS:

PROBLEM OVERVIEW: A Sun Fire X4540 HDD (Predictive Failure) needs replacement

WHAT STATE SHOULD THE SYSTEM BE IN TO BE READY TO PERFORM THE RESOLUTION ACTIVITY? :

Caution: To avoid overheating the server, if the server is powered on, do not leave HDD out for longer than 60 seconds at a time. Remove and replace only one HDD at a time. Replace HDD access cover as soon as the service tasks are completed. Before removing a drive, have the replacement drive ready to be installed.

WHAT ACTION DOES THE ENGINEER NEED TO TAKE:

1. Remove the drives access cover.

2. Identify the drive to be removed by checking its LEDs. If the middle LED is on (amber), the drive is faulty and should be replaced.

3. Use the operating system or management software to take HDD offline before you replace it. Not doing so could cause data loss or unexpected error messages.  Instructions for Solaris using zfs follow.  If the customer is running Linux or MS windows, verify with the customer they have taken the disk offline before you hot plug replace it.  Once the drive has been taken off line, the left (blue) LED should turn on. This means the drive is ready to be removed and service action is allowed.

Caution: Pulling a drive that has that has not been prepared for removal can cause a loss of the drive cell memory map or loss of data in its in/out buffers.

4. Check faulted disk status in zfs

 
5. Bring disk cXtYd0 offline

# zpool offline POOLNAME cXtYd0

6. Confirm zfs shows the disk is offline

 
7. Get cN::/dsk/cXtYd0 device name

# cfgadm -al | grep cXtYd0
c3::dsk/c3t3d0                 disk         connected    configured   unknown

8. Unconfigure the disk using cN::/dsk/cXtYd0 device name

# cfgadm -c unconfigure cN::dsk/cXtYd0

# cfgadm -al | grep cXtYd0
c3::dsk/c3t3d0                 disk         connected    unconfigured unknown

9. Remove the drive. Lift the metal latch and remove the drive from the drive bay as shown below, or on the service label.

10. Install the new drive. Push the drive into the bay until it stops, and make sure the drive is fully engaged with the connector on the drive backplane.

11. Make sure the metal handle is properly seated.

12. Replace HDD access cover.

After about 5 to 20 seconds, the disk should autoreconfigure from "unconfigured" to "configured"

13. Check to see if the disk has auto reconfigured  (If not, see step #15)

# cfgadm -al | grep c3t3d0
c3::dsk/c3t3d0                 disk         connected    configured   unknown

The disk should may auto ONLINE in zfs.  (If not, see step #15)

14.  Check zfs status

 
15. If the system did not auto reconfigure, the two commands needed in this example are:
# cfgadm -c configure c3::dsk/c3t3d0
# zpool online POOLNAME c3t3d0

WHAT ACTION DOES THE CUSTOMER NEED TO TAKE TO RETURN THE SYSTEM TO AN OPERATIONAL STATE:
For hot plug, configure the drive and verify drive availability.
Use appropriate software commands to re-activate/re-sync mirror if manual intervention is required

PARTS NOTE:
Note: Before removing a drive, have the replacement drive ready to be installed.

REFERENCE INFORMATION:

See the section "To replace a hard drive (CRU)" in the

Sun Fire X4500/X4540 Server Service Manual
http://download.oracle.com/docs/cd/E19121-01/sf.x4500/819-4359-19/index.html

"To replace a hard drive (CRU)" section
http://docs.oracle.com/cd/E19121-01/sf.x4500/819-4359-19/CH3-maint.html#50647083_22785

References

This solution has no attachment