nfsdumpstate(8)

nfsdumpstate8

Display nfsv4 open/lock state

Usage

nfsdumpstate [-o] [-l filename]

Overview

nfsdumpstate displays open/lock state for the NFSv4 client and server in the experimental nfs subsystem.

The options are as follows:

-o

Displays a summary of Clients for NFSv4. Each line lists a Client with the ClientID being the last field of the line.

The following are the client flag values displayed:

NC

Needs Confirmation

CB

Callbacks are enabled

GSS

Using RPCSEC_GSS

REV

Administratively Revoked, via nfsrevoke(8)

-l filename

Displays a list of all NFSv4 Opens and Locks on the file specified by the filename. The ClientID is the last field of each line.

Releases

39 releases since FreeBSD 8.0-RELEASE; the text changed 25 times.

  1. 8.0
  2. 8.1
  3. 8.2
  4. 8.3
  5. 8.4
  6. 9.0
  7. 9.1
  8. 9.2
  9. 9.3
  10. 10.0
  11. 10.1
  12. 10.2
  13. 10.3
  14. 10.4
  15. 11.0
  16. 11.1
  17. 11.2
  18. 11.3
  19. 11.4
  20. 12.0
  21. 12.1
  22. 12.2
  23. 12.3
  24. 12.4
  25. 13.0–13.2
  26. 13.3–16.0

History

The nfsdumpstate utility was introduced with the NFSv4 experimental subsystem in 2009.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.