Event ID - 12

Event Id12
SourceFtdisk
DescriptionA stripe set or volume set member listed in the configuration information was missing.
Event InformationIf you remove any disks or members of a fault tolerant set from the computer without first deleting the information about them in Disk Administrator - or if a member of a fault tolerant set fails, the following error message appears when you start Disk Administrator.
Disk Administrator has determined that one or more disks have been removed from your computer since Disk Administrator was last run, or that one or more disks are off-line.

Configuration information about the missing disk(s) will be retained.
When you create fault tolerant volumes in Disk Administrator such as volume sets, stripe sets, or mirrored drives, this configuration information is stored in the registry in binary format that contains specific information such as number of disks attached to the system, disk signature strings, drive letter assignments, partition information, and fault tolerant memberships.
Reference LinksRESOLUTION: Moving or Removing Disks & Fault Tolerant Drive Configurations

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