HP Cisco MDS 9124 Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Rele - Page 32
MDS 9500 Series Switches, ystem health check bootflash, show module, attach module
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Downgrading Your Cisco MDS SAN-OS Software Image Send documentation comments to [email protected] 2. Enter the system health check bootflash command. The following example shows this command and its output: switch# system health check bootflash NOTE: This command can take over 30 minutes. Bootflash will be offline during th is time. Do you want to continue? (yes/no) [n] y Unmount successful. Checking bootflash ... please be patient Although the switch indicates that the bootflash check takes 30 minutes, it typically completes in just a few seconds. 3. Once the bootflash check is complete, proceed with the downgrade process. MDS 9500 Series Switches Before downgrading from an NX-OS 4.x image to a SAN-OS 3.x image on an MDS 9500 Series switch, follow these steps: 1. Telnet to the switch to be downgraded and log in. 2. Enter the system health check bootflash command. The following example shows this command and its output: switch# system health check bootflash NOTE: This command can take over 30 minutes. Bootflash will be offline during th is time. Do you want to continue? (yes/no) [n] y Unmount successful. Checking bootflash ... please be patient Although the switch indicates that the bootflash check takes 30 minutes, it typically completes in just a few seconds. Once the bootflash check is complete on the active supervisor, the bootflash on the standby supervisor must be checked. 3. Enter the show module command to determine the module number of the standby supervisor. The following example shows that the standby supervisor is module 8. switch# show module Mod Ports Module-Type Model Status 4 32 Storage Services Module DS-X9032-SSM ok 5 16 2x1GE IPS, 14x1/2Gbps FC Module DS-X9302-14K9 ok 7 0 Supervisor/Fabric-2 DS-X9530-SF2-K9 active * 8 0 Supervisor/Fabric-2 DS-X9530-SF2-K9 ha-standby 10 22 4x1GE IPS, 18x1/2/4Gbps FC Modul DS-X9304-18K9 ok 4. Enter the attach module command to attach to the standby supervisor module number shown in the output of the show module command, and then enter the system health check bootflash command. switch# attach module 8 Attaching to module 8 ... To exit type 'exit', to abort type '$.' Cisco Nexus Operating System (NX-OS) Software ...... Switch(standby)# system health check bootflash NOTE: This command can take over 30 minutes. Bootflash will be offline during th is time. Do you want to continue? (yes/no) [n] y Unmount successful. Checking bootflash ... please be patient Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 4.1(1b) 32 OL-17675-02