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Installing or Replacing Modules, Fan Trays, and Power Supplies
<Sat May 25 01:55:27 2019> Power-management written value : 0xfe, read_value:
0xfe
<Sat May 25 01:55:28 2019> subop: 21 Power-management write for migration for
module 3 SUCCESS
<Sat May 25 01:55:28 2019> subop: 21 Power-management read for migration for
module 3 SUCCESS
<Sat May 25 01:55:28 2019> Power-management written value : 0xfe, read_value:
0xfe
<Sat May 25 02:02:04 2019> subop: 20 Power-management write for migration for
module 3 SUCCESS
<Sat May 25 02:02:04 2019> subop: 20 Power-management read for migration for
module 3 SUCCESS
<Sat May 25 02:02:04 2019> Power-management written value : 0xfe, read_value:
0xfe
<Sat May 25 02:04:09 2019> Standby has come online !!!
<Sat May 25 02:04:30 2019> ALL_AUTOGRANTS set to 1
<Sat May 25 02:04:30 2019> Standbyfabricloopback test succeeded
<Sat May 25 02:04:30 2019> Standby ready for Switchover, deleting
'/nxos/tmp/migration_log.txt'
<Sat May 25 02:04:30 2019> Saving configuration now
<Sat May 25 02:04:59 2019> Deletion of migration file is successful in
Supervisor-2 (N77-SUP2E)
<Sat May 25 02:04:59 2019> Deletion of tftp migration file is successful in
Supervisor-2 (N77-SUP2E)
<Sat May 25 02:04:59 2019> Copying log file to Standby....
<Sat May 25 02:04:59 2019> Command executed for transferring logfile to other
SUP - ncftpput -u ftpuser -p nbv123 127.1.1.3 /nxos/tmp/
/mnt/plog/migration.log
Troubleshooting
This sections lists the error messages that may come up on the console during the migration along with the
recommended action to be performed.
• Problem
• Problem
OL-30452-01.
The kickstart or system image is not present on the bootflash of the active supervisor-3E module. The
following syslog message is displayed:
switch# <Tue Apr 30 10:02:47 2019> Switch %$ VDC-1 %$ %BOOTVAR-2-
SUP3_MIGRATION_IMAGE_DOES_NOT_EXIST: <Kickstart/System> image doesn't exist on
bootflash of the active Supervisor-3. Please clear some space in bootflash, copy
the Supervisor-3 images manually, set the boot variables and save configs before
replacing Standby Supervisor-2
Action to be performed
Clear space on the bootflash and then copy the supervisor-3E module images manually, as shown in Step
1 in the migration procedures given above. Set the boot variables and save the configuration before
replacing the standby Supervisor-2E module. Use the boot kickstart <kickstart_image> and the boot
system <system_image> on the active supervisor 3E module when it becomes active after the migration
has been completed.
The newly inserted supervisor-3E module cannot take over as the active supervisor. The following syslog
message is displayed:
<Tue Apr 30 10:02:47 2019> ERROR!!! Supervisor-3 (N77-SUP3E) cannot take over as
active Supervisor ...
Action to be performed
Cisco Nexus 7710 Switch Site Preparation and Hardware Installation Guide
Troubleshooting
105
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