iv
Configuring configuration archive parameters ·································································································· 96
Enabling automatic configuration archiving ······································································································· 96
Manually archiving the running configuration ··································································································· 97
Rolling back configuration···································································································································· 97
Specifying a next-startup configuration file ················································································································· 98
Backing up the main next-startup configuration file to a TFTP server ······································································· 98
Restoring the main next-startup configuration file from a TFTP server ······································································ 99
Deleting a next-startup configuration file ····················································································································· 99
Displaying and maintaining configuration files ········································································································ 100
Upgrading software ················································································································································ 101
Overview ······································································································································································· 101
Software types ····················································································································································· 101
Software file naming conventions ······················································································································ 101
Comware image redundancy and loading procedure ··················································································· 102
System startup process ········································································································································ 102
Upgrade methods ························································································································································ 103
Non-ISSU upgrade procedure summary ···················································································································· 103
Preparing for the upgrade ·········································································································································· 104
Preloading the Boot ROM image to Boot ROM ········································································································ 104
Specifying the startup image file and completing the upgrade ·············································································· 105
Displaying and maintaining software image settings ······························································································ 106
Non-ISSU software upgrade example ······················································································································· 106
Network requirements ········································································································································· 106
Configuration procedure ···································································································································· 106
Verifying the configuration ································································································································· 107
ISSU overview ························································································································································· 108
ISSU methods ································································································································································ 108
ISSU methods for a compatible version ············································································································ 109
ISSU method for an incompatible version ········································································································ 109
ISSU command series ·················································································································································· 109
ISSU restrictions ···························································································································································· 110
ISSU prerequisites ························································································································································ 110
ISSU guidelines ···························································································································································· 111
Performing an ISSU by using issu series commands ···························································································· 113
Performing an ISSU for a multichassis IRF fabric ······································································································ 113
Performing an ISSU for a single-chassis IRF fabric ··································································································· 114
Displaying and maintaining ISSU ······························································································································ 115
ISSU examples for using issu series commands ········································································································ 116
Software image upgrade to a compatible version ·························································································· 116
Software image upgrade to an incompatible version ····················································································· 119
Software image rollback example ····················································································································· 121
Performing an ISSU by using install series commands ························································································· 124
Performing an ISSU ······················································································································································ 124
Obtaining and decompressing an .ipe file ······································································································ 124
Installing or upgrading software images ·········································································································· 124
Uninstalling feature or patch images ················································································································ 125
Rolling back the software configuration ···················································································································· 125
Aborting a software activate/deactivate operation ································································································· 126
Verifying software images ··········································································································································· 126
Removing inactive software images ··························································································································· 126
Displaying and maintaining ISSU ······························································································································ 127
ISSU examples for using install series commands ···································································································· 127
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