Users Guide
Prerequisites for transition scenarios
CAUTION: Many repairs may only be done by a certied service technician. You should only perform troubleshooting and simple
repairs as authorized in your product documentation, or as directed by the online or telephone service and support team.
Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the system.
Perform the following steps to enable recovery in the event the part replacement process fails:
1 Follow the operating system procedure to back up all data from the shared storage drives.
CAUTION: This procedure is complex and can put your data at risk if mistakes are made. Ensure to back up all the critical
data prior to starting the procedure.
2 Document your virtual drive conguration and mapping information by performing the following steps:
a Open CLI terminal and run the command racadm raid get vdisks –o.
Take a screen shot of the results page and save the captured screen shot to a location of choice, or write down the information
and store it in a safe, secure location.
b Click Chassis Overview → Storage → Virtual Disks → Assign to view the virtual disk mapping by the CMC GUI.
Take a screen shot of the results page and save the captured screen shot to a location of choice, or write down the information
and store it in a safe, secure location.
c Click Chassis Overview → Storage → Virtual Disks to get the virtual disk conguration information by the CMC GUI.
Take a screen shot of the results page and save the captured screen shot to a location of choice, or write down the information and
store it in a safe, secure location.
3 Click Chassis Overview → Storage → Controllers to view the rmware version of the current Shared PERC 8 internal card. If your
system has two Shared PERC 8 internal cards installed, the rmware version must be the same for both the cards.
Transition scenarios
The following section contains the procedures of common transition scenarios.
Single controller nonfault tolerance to dual controller fault
tolerance
CAUTION
: Before performing the transition, back up all data and complete the steps outlined in prerequisites for transition
scenarios section. SeePrerequisites for transition scenarios.
1 Turn o the server modules. Click Server Overview → Power → Control → Power O Server for every server.
2 Click Chassis Overview → Power → Control → Power O System to turn o the chassis.
3 Open the system and install a second Shared PERC 8 External card in either Slots ve or six.
4 Click Chassis Overview → Power → Control → Power On System to turn on the chassis.
5 Click Chassis Overview → Storage → Controllers → Troubleshooting → Actions → Enable Fault Tolerance to enable Fault Tolerance
for both controllers.
6 Click Chassis Overview → Power → Control → Power O System to turn on the chassis.
7 Cable enclosure(s) to Shared PERC 8 External cards using required cabling methodology.
NOTE
: This cabling topology is required for fault tolerance to function.
8 Click Chassis Overview → Power → Control → Power On System to turn o the chassis.
Deploying the Shared PERC 8 card
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