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How to repair information in VLDB

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Category:
ontap-9
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core
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Applies to

ONTAP 9

Description

  • VLDB (Volume Location Database) is a distributed cluster-wide database that contains volume location information required by an N-blade to direct file system requests to the correct D-blade within a cluster. 
  • There are other applications that use VLDB - management, data protection, Network Data Management Protocol (NDMP) dump/restore, Cluster Session Manager (CSM), and spinVFS.
  • Under certain circumstances, VLDB information may get out of sync with regard to the D-blade information and will need to be repaired.
  • The debug vreport commands are used to address inconsistencies between VLDB and WAFL
  • Note:
    • Vreport locates and repairs discrepancies in VLDB compared to the D-blade information.
    • It does not under any circumstances modify the D-blade information.

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