EMC Avamar Data Store Gen4T, Customer Service Manual, Page: 18 / 32

Overview
The following instructions call for hard drives in removable carriers to be removed from
and replaced in a backplane in the node's chassis.
Note
Use only hard drives that are tested and approved for use with ADS Gen4T nodes.
Replacement hard drives arrive blank at the customer site and they require no manual
configuration. RAID software automatically rebuilds the hard drive image when the new
one is detected.
Before performing the following procedure, obtain the following information about the
Avamar system or node, as applicable:
l
The fully qualified domain name of the Avamar server
l
The service tag or serial number of the Avamar node with the defective hard drive
l
The IP address of the Avamar node with the defective hard drive
l
The physical hard disk ID for the defective hard drive
Note
If you do not have this information, contact EMC Technical Support before continuing.
To avoid inadvertently damaging sensitive electronic circuits in the equipment, ensure
that you follow precautions and general safety procedures when removing, installing, or
storing CRUs. See
General information for removing and installing CRUs on page 13 .
Locating the defective hard drive
After locating the node requiring service, verify which hard drive must be replaced by
performing the following:
Procedure
1. Using PuTTY, the IP address of the node, and a computer on the customer network
with access to the node, establish an SSH session to the node.
2. Log in as the admin user.
3. Change to the root user by typing:
su -
4. Check the hard drive to be replaced by typing on a single command line:
avsysreport pdisk | egrep 'Status|Slot Number|Enclosure Device'
Output similar to the following is displayed:
Slot Number : 0
Enclosure Device ID : 9
Status : Ok
Slot Number : 1
Enclosure Device ID : 9
Status :
Offline
Slot Number : 2
Enclosure Device ID : 9
Status : Ok
Slot Number : 3
Enclosure Device ID : 9
Replacing a Hard Drive
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EMC Avamar Data Store Gen4T Customer Service Guide