oncheck Check-and-Repair

The oncheck utility repairs disk structures.

The oncheck utility can repair the following types of disk structures:
  • Partition page statistics
  • Bitmap pages
  • Partition blobpages
  • Blobspace blobpages
  • Indexes
  • Sbspace pages
  • Metadata partitions for sbspaces

If oncheck detects inconsistencies in other structures, messages alert you to these inconsistencies, but oncheck cannot resolve the problem. For more information, see the chapter on consistency checking in the IBM® Informix® Administrator's Guide and Disk Structures and Storage.

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