I ran chkdsk on both drives, DATA and SYS and got "0 KB in bad sectors" on both drives.
I looked in the logs and tried booting up the console inside Home Server to see it provoke a log, and it came up without any problems. I went back to my client machine and tried again and it came up OK too. But my first attempt this morning did show an error in both the client machine and WHS. Here are the console logs for this morning around this little incident:
HomeServerConsole.091231.0833207812.3828.log
Created at 12/31/2009 8:33:20 AM
HomeServerConsole.091231.0838270625.1420.log
Created at 12/31/2009 8:38:27 AM
***** Started at 12/31/2009 8:38:27 AM ***
***** Started at 12/31/2009 8:38:27 AM ***
[1]091231.083827.1406: UI: Error: Killing previous console instance: ID=3828
[1]091231.084418.4062: UI: Error: Unfinished DLL: HomeServerConsoleTab.Storage.dll. User chose to retry.
[1]091231.084419.3593: BackupConfig: Error: Disconnected Backup Config
[1]091231.084419.5000: BackupConfig: Error: Disconnected Backup Config
[1]091231.084419.5156: Error: Client fb2f15c2-ee17-4aa9-9010-5843912f8bdd not found by BackupHelpers.FindClient
[1]091231.084419.5312: Error: Client Microsoft.HomeServer.HomeServerConsoleTab.Health.ClientNotFoundException: fb2f15c2-ee17-4aa9-9010-5843912f8bdd
at Microsoft.HomeServer.HomeServerConsoleTab.Health.BackupHelpers.FindClient(ConfigurationRoot configurator, Guid pcGuid)
at Microsoft.HomeServer.HomeServerConsoleTab.Health.BackupHelpers.FindClientNoThrow(ConfigurationRoot configurator, Guid pcGuid) not found by BackupHelpers.FindClient
[1]091231.084419.5625: Error: Client 400a9f51-3c48-4f09-a69a-1a191c168233 not found by BackupHelpers.FindClient
[1]091231.084419.5625: Error: Client Microsoft.HomeServer.HomeServerConsoleTab.Health.ClientNotFoundException: 400a9f51-3c48-4f09-a69a-1a191c168233
at Microsoft.HomeServer.HomeServerConsoleTab.Health.BackupHelpers.FindClient(ConfigurationRoot configurator, Guid pcGuid)
at Microsoft.HomeServer.HomeServerConsoleTab.Health.BackupHelpers.FindClientNoThrow(ConfigurationRoot configurator, Guid pcGuid) not found by BackupHelpers.FindClient
[1]091231.084419.7968: BackupConfig: Error: Disconnected Backup Config
[1]091231.084420.7968: Error: Error -2147023728 in SendMessage
[5]091231.084430.9062: Error: Cannot invoke RefreshData for HealthControl
[5]091231.084430.9062: Error: Cannot invoke RefreshData for HealthControl
[8]091231.084430.9218: Error: Backup percentage is -2147483648
[8]091231.084430.9218: Error: Cannot invoke RefreshData for HealthControl
[1]091231.084433.4531: Error: Cannot invoke RefreshData for HealthControl
[1]091231.084433.4531: Error: Error -2147023728 in SendMessage
[8]091231.084433.9218: Error: Backup percentage is -2147483648
[15]091231.084441.9218: Error: Backup percentage is -2147483648
HomeServerConsole.091231.0844234375.3200.log
Created at 12/31/2009 8:44:23 AM
***** Started at 12/31/2009 8:44:23 AM ***
***** Started at 12/31/2009 8:44:23 AM ***
[1]091231.084423.5156: UI: Error: Previous instance of the console is still loading--exiting.
Additions.091231.0844332812.1420.log
Created at 12/31/2009 8:44:33 AM
***** Started at 12/31/2009 8:44:33 AM ***
***** Closed at 12/31/2009 8:44:33 AM ***
HomeServerConsole.091231.0845093593.3752.log
Created at 12/31/2009 8:45:09 AM
***** Started at 12/31/2009 8:45:09 AM ***
***** Started at 12/31/2009 8:45:09 AM ***
[1]091231.084509.9687: BackupConfig: Error: Disconnected Backup Config
[1]091231.084510.0312: BackupConfig: Error: Disconnected Backup Config
[1]091231.084510.0468: Error: Client fb2f15c2-ee17-4aa9-9010-5843912f8bdd not found by BackupHelpers.FindClient
[1]091231.084510.0468: Error: Client Microsoft.HomeServer.HomeServerConsoleTab.Health.ClientNotFoundException: fb2f15c2-ee17-4aa9-9010-5843912f8bdd
at Microsoft.HomeServer.HomeServerConsoleTab.Health.BackupHelpers.FindClient(ConfigurationRoot configurator, Guid pcGuid)
at Microsoft.HomeServer.HomeServerConsoleTab.Health.BackupHelpers.FindClientNoThrow(ConfigurationRoot configurator, Guid pcGuid) not found by BackupHelpers.FindClient
[1]091231.084510.0625: Error: Client 400a9f51-3c48-4f09-a69a-1a191c168233 not found by BackupHelpers.FindClient
[1]091231.084510.0625: Error: Client Microsoft.HomeServer.HomeServerConsoleTab.Health.ClientNotFoundException: 400a9f51-3c48-4f09-a69a-1a191c168233
at Microsoft.HomeServer.HomeServerConsoleTab.Health.BackupHelpers.FindClient(ConfigurationRoot configurator, Guid pcGuid)
at Microsoft.HomeServer.HomeServerConsoleTab.Health.BackupHelpers.FindClientNoThrow(ConfigurationRoot configurator, Guid pcGuid) not found by BackupHelpers.FindClient
[1]091231.084510.1718: BackupConfig: Error: Disconnected Backup Config
[5]091231.084510.5781: Error: Cannot invoke RefreshData for HealthControl
[5]091231.084510.5781: Error: Cannot invoke RefreshData for HealthControl
[7]091231.084510.5937: Error: Backup percentage is -2147483648
[7]091231.084510.5937: Error: Cannot invoke RefreshData for HealthControl
[1]091231.084511.1406: Error: Error -2147023728 in SendMessage
[7]091231.084513.5937: Error: Backup percentage is -2147483648
[7]091231.084513.5937: Error: Cannot invoke RefreshData for HealthControl
[1]091231.084514.5625: Error: Cannot invoke RefreshData for HealthControl
[1]091231.084514.5625: Error: Error -2147023728 in SendMessage
[9]091231.084522.1718: Error: Backup percentage is -2147483648
[16]091231.084543.0937: Error: Backup percentage is -2147483648
[7]091231.084713.5937: Error: Backup percentage is -2147483648
[17]091231.085013.5937: Error: Backup percentage is -2147483648
Additions.091231.0845144687.3752.log
Created at 12/31/2009 8:45:14 AM
***** Started at 12/31/2009 8:45:14 AM ***
***** Closed at 12/31/2009 8:45:14 AM ***
Naturally, if it continues to be a problem, I'll be back.
I have noticed that the WHS default website has returned and I used to have a bunch of personalized stuff on there and I think it was from some plugin.