Index Issues

Getting Below Errors on Journal Server.

Event Type: Error
Event Source: Enterprise Vault
Event Category: Index Server
Event ID: 7221
Date:  5/19/2011
Time:  1:56:53 PM
User:  N/A
Computer: VaultServer
Description:
Could not open indexing parameters

Reason: Unspecified error  [0x80004005]
Index: 1C8A2E6A8DBEC064D9A1B2F03A7D5286D1110000journaling/Volume:334 (VAULT)
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Event Type: Error
Event Source: Enterprise Vault
Event Category: Index Server
Event ID: 7264
Date:  5/19/2011
Time:  1:56:53 PM
User:  N/A
Computer: VaultServer
Description:
Abnormal error occurred
 
Error:     Could not open indexing parameters     Reason: #1   Index: #2      [0xc0041c35]
Reference: CAVUpdator/OAVI/ice
Index:     1C8A2E6A8DBEC064D9A1B2F03A7D5286D1110000journaling/Volume:334 (Vault)
Info:      
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Event Type: Error
Event Source: Enterprise Vault
Event Category: Index Server
Event ID: 7292
Date:  5/19/2011
Time:  2:37:54 PM
User:  N/A
Computer: VaultServer
Description:
The index volume has been marked as failed.
Index Volume: 1C8A2E6A8DBEC064D9A1B2F03A7D5286D1110000journaling/Volume:334 (Vault)
Index Volume Path: D:\Index Data\index2\1C8A2E6A8DBEC064D9A1B2F03A7D5286D1110000journaling_81543440
Reference: Open
           
 
Due to errors accessing the index volume it has been marked as 'failed' to prevent further errors.  The index volume will remain inaccessible until it has been repaired.

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While performing a Search using DA or CA i get error that Index is not updated or failed.

But while checking the index volume using the Vault console. i dont see any Index failed or updating.

They all look as updated but still i get this error any idea where do i look for this.