Bootbank cannot be found at path /bootbank

Armitage318
Armitage318 used Ask the Experts™
Hi, I use a single host with VMware ESXi 6.7 on a PowerEdge R540, with a few virtual machines (local storage).
I noticed in Events this kind of messages:

Alarm 'Host error' on host.local
triggered by event 46678 'Issue detected on host.local in CED: Bootbank cannot be found at path '/bootbank' (2020-01-14T12:01:00.964Z cpu28:2245051)'

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ESXi is installed on a USB stick.
Should I be worried?
Thank you
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Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017
USB stick is failing, or corrupt, the USB stick has become lose.

Time to get the configuration off the stick, or document your configuration, ensure you have good backups of your VMs.

The next restart, it may not boot.
Hi Andrew, can you suggest me a reliable way to backup vcsa and host configuration?
Thank you very much!
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017
VCSA is not at risk, but there are backup options now in VCSA if you login via VAMI (into the appliance not vCenter Server login)

As for backup of host server see here

https://kb.vmware.com/s/article/2042141
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Hi Andrew,
thank you.
I tried with:

[root@host:~] vim-cmd hostsvc/firmware/sync_config
(vmodl.fault.SystemError) {
   faultCause = (vmodl.MethodFault) null,
   faultMessage = <unset>,
   reason = "Internal error"
   msg = "Received SOAP response fault from [<cs p:0000001ea3040a20, TCP:localhost:8307>]: syncConfiguration
A general system error occurred: Internal error"
}

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is too late, in your opinion?
I really appreciate your courtesy
Murali SripadaVMware Engineer | vExpert 18/19
Distinguished Expert 2018
scratch partition might not be configured.. please configure scratch and then try the same
VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017
It's possible it cannot read it, this could be as simple as it need re-seating.

can you do that...

vim-cmd hostsvc/firmware/backup_config

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You could also try...

https://slymsoft.com/esxi-conf-backup/

(but this is just going to give you a backup of ESXi config, you may still need to re-install ESXi and restore config!)

You will only know when you restart the host.

Run your VM backups.
Thank you, it worked, I was able to download backup from /scratch (through WinSCP)
basically I followed this

https://johnsoehtoonoo.wordpress.com/2018/08/15/handy-tips-for-vmware-esxi-6-7-host-configuration-backup-and-restore/

thankyou!

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