I tried to change the location of the search index files in Central Admin. The current setting is the default: C:\Program Files\Microsoft Office Servers\14.0\Data\Office Server\Applications
I want to just put it on E:\Program Files\Microsoft Office Servers\14.0\Data\Office Server\Applications - so all I changed was the drive letter.
It churned for awhile then listed this error:
Errors were encountered during the configuration of the Search Service Application.
Microsoft.Office.Server.Search.Administration.SearchConfigWizard+SearchConfigWizardException: Topology provisioning failed due to an error.Topology activation was aborted because of Microsoft.Office.Server.Search.Administration.QueryComponentTransitionException:
The index location E:\Program Files\Microsoft Office Servers\14.0\Data\Office Server\Applications is invalid because I/O error occurred.. ---> System.IO.IOException: I/O error occurred. at Microsoft.SharePoint.Administration.SPServer.CreateDirectory(String
path, SPAclUserGroupAccessLevel userGroupAccessLevel) at Microsoft.SharePoint.Administration.SPServer.CreateSecureDirectory(String path) at Microsoft.Office.Server.Search.Administration.QueryComponent.Create
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