File system backup is failing for Windows cluster servers??

Hi All,

Windows clusters servers backups are failing with the following errors:

88224:save: The base volume for the path is unavailable or offline.  Please ensure all volumes are online for backup operations.

88222:save: Could not add for backup.

WINDOWS ROLES AND FEATURES: ERROR: VSS failed to add components in pre save, writer=System Writer: The system cannot find the file specified. (Win32 error 0x80070002)

98193:save: Unable to save the SYSTEM STATE save sets: cannot add all the system state writers to the snapshot.

86024:save: Error occured while saving disaster recovery save sets.

Unable to find any full backups of the save set 'TEST02.com:DISASTER_RECOVERY:\' in the media database. Performing a full backup.

TEST02.com:DISASTER_RECOVERY:\: retried 1 times.

This error we are getting for only 5-6 servers.We are using networker version 8.1.2.7 in our environment.

We have checked VSS services it is running fine.We can't see anything wrong from our end.Please help us out for this.

Please find the output of vssadmin list writers command:

C:\Users\veritas>vssadmin list writers

vssadmin 1.1 - Volume Shadow Copy Service administrative command-

(C) Copyright 2001-2005 Microsoft Corp.

Writer name: 'System Writer'

   Writer Id: {e8132975-6f93-4464-a53e-1050253ae220}

   Writer Instance Id: {47659178-dc45-43ac-9399-25bb5f5204fb}

   State: [1] Stable

   Last error: No error

Writer name: 'ASR Writer'

   Writer Id: {be000cbe-11fe-4426-9c58-531aa6355fc4}

   Writer Instance Id: {e1ecb9bc-a57b-4eee-8d73-6fd32634da2c}

   State: [1] Stable

   Last error: No error

Writer name: 'Registry Writer'

   Writer Id: {afbab4a2-367d-4d15-a586-71dbb18f8485}

   Writer Instance Id: {1ac574ba-7ea8-482c-8607-c1fa19417dc7}

   State: [1] Stable

   Last error: No error

Writer name: 'IIS Config Writer'

   Writer Id: {2a40fd15-dfca-4aa8-a654-1f8c654603f6}

   Writer Instance Id: {30d7386e-b14c-4639-b28d-5baf40634c3d}

   State: [1] Stable

   Last error: No error

Writer name: 'IIS Metabase Writer'

   Writer Id: {59b1f0cf-90ef-465f-9609-6ca8b2938366}

   Writer Instance Id: {923e7b73-2135-4e7d-9b42-45e31076080c}

   State: [1] Stable

   Last error: No error

Writer name: 'Cluster Database'

   Writer Id: {41e12264-35d8-479b-8e5c-9b23d1dad37e}

   Writer Instance Id: {b793ab99-e578-471d-b204-9962077e9c61}

   State: [1] Stable

   Last error: No error

Writer name: 'COM+ REGDB Writer'

   Writer Id: {542da469-d3e1-473c-9f4f-7847f01fc64f}

   Writer Instance Id: {d39172ea-ddcb-4cc5-a55f-fbccd60f5b31}

   State: [1] Stable

   Last error: No error

Writer name: 'Shadow Copy Optimization Writer'

   Writer Id: {4dc3bdd4-ab48-4d07-adb0-3bee2926fd7f}

   Writer Instance Id: {88d0be51-5d58-4a09-a59a-683b3573fe0b}

   State: [1] Stable

   Last error: No error

Writer name: 'WMI Writer'

   Writer Id: {a6ad56c2-b509-4e6c-bb19-49d8f43532f0}

   Writer Instance Id: {fad29244-04ae-463e-901a-2d3a1a5fbe2e}

   State: [1] Stable

   Last error: No error

Writer name: 'BITS Writer'

   Writer Id: {4969d978-be47-48b0-b100-f328f07ac1e0}

   Writer Instance Id: {bb2976e3-ed97-4be8-919b-62a32efe30dd}

   State: [1] Stable

   Last error: No error