1.
Ensure that the file systems on the primary flash card and the redundant flash card
are synchronized. (See “Synchronizing Flash Cards” on page 368 for details.)
2.
Issue the
flash-disk compare
command, specifying whether to perform the checksum
validation for all files in NVS or only for configuration files.
host1#
flash-disk compare all
host1#
flash-disk compare configuration
The
flash-disk compare configuration
command, which validates only configuration
files, excludes larger files such as software releases and scripts from the validation
process. As a result, this command takes less time to complete than the
flash-disk
compare all
command, which validates all NVS files.
3.
Review the
flash-disk compare
output to determine whether any files failed the
checksum validation.
If the
flash-disk compare
command detects differences in the content of one or more
files, the router reports a checksum test failure.
4.
If one or more files failed the checksum validation, determine whether the corrupted
files reside on the primary SRP module or on the redundant SRP module.
5.
If the corrupted file resides on the primary SRP module, issue the
srp switch
command
to force a switch from the primary SRP module to the redundant SRP module.
This action ensures that the error-free version of the file will be on the SRP module
that takes control after the switch.
6.
Issue the
synchronize
command with the
low-level-check
keyword to force the router
to:
•
Validate all files in NVS (when you use the
all
keyword) or only configuration files
in NVS (when you use the
configuration
keyword).
•
Synchronize all files that failed the checksum test during the
flash-disk compare
command, as well as any other unsynchronized files.
host1#
synchronize low-level-check all
host1#
synchronize low-level-check configuration
This action resolves any file discrepancies between the primary and redundant SRP
modules and restore SRP file integrity.
NOTE:
Both the
flash-disk compare
and
synchronize low-level-check
commands perform CPU-intensive processing that can take several
minutes to complete. For best results, do not run these commands
simultaneously on the same router. In addition, do not run multiple
instances of the
flash-disk-compare
command simultaneously on the
same router.
flash-disk compare
371
Copyright © 2010, Juniper Networks, Inc.
Chapter 6: Managing Modules
Содержание JUNOSE 11.3
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