Indicated status and results of version changing. upgrade-Start(1) upgrade starts upgrade-Completed(2) upgrade completed upgrade-Fail(3) upgrade failed downgrade-Start(4) downgrade starts downgrade-Completed(5) downgrade completed downgrade-Fail(6) downgrade failed upgrade-Fail-NoVersion(7) upgrade failed, no version upgrade-Fail-VersionControlInProgress(8) upgrade failed, version control is in progress downgrade-Fail-NoVersion(9) downgrade failed, no version downgrade-Fail-VersionControlInProgress(10) downgrade failed, version control is in progress upgrade-InProgress(11) upgrade is in progress downgrade-InProgress(12)downgrade is in progress upgrade-sanityCheck-InProgress(13) upgrade sanity check is in progress downgrade-sanityCheck-InProgress(14) downgrade sanity check is in progress upgrade-sanityCheck-Completed(15), upgrade sanity check is completed downgrade-sanityCheck-Completed(16), downgrade sanity check is completed upgrade-Fail-SanityCheckFail(17) upgrade failed due to sanity check failure downgrade-Fail-SanityCheckFail(18) downgrade failed due to sanity check failure upgrade-Fail-BkCPUFailedToRespond(19) upgrade failed since backup CPU failed to respond downgrade-Fail-BkCPUFailedToRespond(20) downgrade failed since backup CPU failed to respond upgrade-Fail-UserAbort(21) upgrade failed since user aborted downgrade-Fail-UserAbort(22) downgrade failed since user aborted synch-Start(23) synchronization starts synch-InProgress(24) synchronization is in progress synch-Completed(25) synchronization is completed synch-Fail(26) synchronization failed synch-Fail-NoBkCPU(27) synchronization failed since no backup CPU synch-Fail-SameVersion(28) synchronization failed due to the same version synch-Fail-FileCRCFailed(29) synchronization failed due to file CRC failure synch-Fail-VersionControlInProgress(30) synchronization failed since version control is in progress synch-Fail-UserAbort(31) synchronization failed since user aborted synch-Fail-SanityCheckFail(32) synchronization failed due to sanity check failure synch-Fail-BkCPUFailedToRespond(33) synchronization failed since backup CPU failed to respond synch-sanityCheck-InProgress(34) synchronization sanity check is in progress synch-sanityCheck-Completed(35) synchronization sanity check is completed failedToAbort(36) failed to abort