VMware: How to solve [InstallationError] There was an error checking file system on altbootbank

Greetings friends, making several upgrades the other day I found the next error that breaks you in the morning if you are in a hurry and you are performing upgrades of ESXi, the error in question happened to me when I tried to update using an ESXi bundle:

Steps to troubleshoot the error easily

Fortunately the problem is solved in just a few seconds, the first thing we will have to do is check that the partition is OK and see the information of it:

This will return something similar to the following, be very attentive to the Partitions spanned part, as we will use this information later:

The next command will be launched against the partition that has shown us the vmkfstools command:

Which will show us something like the next:

If we try to launch the ESXi update command again using the bundle, we won’t have any more problems. I hope it serves you well.

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