Cisco Headend System Release 2.5 Installation Guide
1-8
SR 2.5 and SR 3.5 UniPack Pre-Upgrade Procedures
78-738190-01 Rev B
Examine Mirrored Devices
Introduction
Examine the status of the mirrored disk drives on the Sun Enterprise 450 or the Sun
Fire 880 DNCS prior to the SR 2.5 and SR 3.5 upgrade. All the disk mirroring
functions must be working normally before proceeding with the upgrade.
CAUTION:
If the disk mirroring functions of the DNCS are not working properly before
the upgrade, you may not be able to easily recover from a failed upgrade.
Examining the Mirrored Devices
Follow these instructions to examine the status of the mirrored drives on your
DNCS.
Notes:
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Notes:
•
If you have properly followed the instructions in this chapter, you should be
logged on to an xterm window on the DNCS as dncs user.
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This procedure should take only a few minutes to complete.
1.
If necessary, open an xterm window on the DNCS.
2.
Type metastat | more and then press Enter.
Result: The system displays the status of all of the metadevices on the DNCS.
Note: Press the Spacebar, if necessary, to page through all of the output.
Result: The system displays the status of all of the metadevices on the DNCS.
Note: Press the Spacebar, if necessary, to page through all of the output.
3.
Are the following two conditions true?
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•
The designation ok appears in the State column next to each metadevice.
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No Hot Spare indicates In Use.
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If yes (to both conditions), go to Run the clearDbSessions Utility, next in
this chapter.
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If no (to either or both conditions), contact Cisco Services for help in
resolving these issues with the metadevices.