For a multitude of reasons your VR appliance is not connected to vCenter, such as:

1. You updated the SSL certificate
2. You disconnected the ESXi host that had the vSphere Replication appliance
3. You rolled back vCenter from a backup or snapshot

Login to the VMware vSphere Replication appliance.

Identify the password of your keystore. To do this, type this command:

/opt/vmware/hms/bin/hms-configtool -cmd list | grep keystore

Note the keystore password.

Now execute this command:

java -jar va-util.jar -cmd certauth -host vCenter_Server_IP-address -port 80 -user vCenter_Server_USERNAME -pass vCenter_Server_PASSWORD -extkey com.vmware.vcHms -keystore /opt/vmware/hms/security/hms-keystore.jks -keystorealias jetty -keystorepass KEYSTOREPASSWORD

Your VM won’t boot. FSCK needed on an LVM. You don’t have root and are screwed.

Boot the rescue disk.

Scan all disks for partiitions: 

• lvm pvscan

Scan all disks for volume groups and build /etc/lvmtab and /etc/lvmtab.d/* which are the database for all other lvm commands:

• lvm vgscan

Change attributes of a logical volume

• lvm lvchange -ay VolGroup00

Scan all disks for logical volumes

• lvm lvscan

Then I was able to run fsck as follows

fsck -f /dev/VolGroup00/LogVol00