Using the assumptions described below, the following examples perform a hitless upgrade for a core software image on BlackDiamond 8800 series switches:
You have received the new software image from Extreme Networks named bd8800-11.4.0.12.xos.
You do not know your selected or booted partitions.
You are currently using the primary partition.
The image is on a TFTP server named tftphost.
You are installing the new image immediately after download.
The MSM installed in slot A is the primary.
The MSM installed in slot B is the backup.
You are running ExtremeXOS 11.4 or later on both MSMs.
The following example shows the commands necessary to perform a hitless upgrade on the alternate partition.
In this example, the secondary partition is the inactive partition:
show switch download image tftphost bd8800-11.4.0.12.xos secondary show switch reboot msm B show switch run msm-failover show switch
After executing these commands, MSM B will be the master, and the secondary partition will be the active partition for both MSMs. The previously running software will reside on the inactive partition (now, the primary partition).
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