After attempting to upgrade a Virtual Chassis, and after the validation, the following error message is seeing:

truncated or corrupted package: /var/tmp/<package-name>

During an upgrade attempt, truncated or corrupted package error seeing. Due to error customer may try to run a storage clean up, and attempt to perform the upgrade again. However, the following error might be seeing:

{master:1}

root@EX> request system software add /var/tmp/<package-name> no-validate

Checking pending install on fpc0

There is already a reboot pending for software rollback.

Use the 'request system reboot' command to complete the operation,

or the 'request system software rollback' command to abort rollback.

For solving this, run a rollback on the affected member on the VC. In this example, FPC0 is the one reporting issues, and will be as the following:

>request system software rollback member 0