UnityVSA Unable to determine serial number

Question

Hi, I have two Unity VSA in my home lab which I had to shutdown recently as I was moving the hardware. On power up everything came back up ok except the UnityVSA's. They both came up in service mode, the console lists the IP address but says 'Unable to determine serial number'. They both seem to have lost the service password and after doing a password reset I was able to log in to one of them using the default password but not the other. I am now unable to log into any of them since I let the session expire. Both VSA'a are on local storage on different physical servers and all other VM's on both server have powered up OK. I have had this issue in the past a number of times and each time I have had to redeploy the VSA. I would rather not do this this time as i have built up a vsphere infrastructure on these two VSA's. Any help to recover these appliances would be much appreciated. Thanks in advance, DJ

wangt23 · Answer

There are number of problems can cause VSA into service mode. If you can login to the VSA, please provide the output of svc_diag. Otherwise, it is impossible to know what is happening. BTW, how do you shutdown the VSA? Did you use svc_shutdown?

NibrahV1 · Answer

I found that I was getting this error when rebooting the VSA with some of the NIC's in a disconnected state.  When I powered the appliance down, reconnected the NICs, and powered it back up, the issue resolved itself.

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