---
name: "cnfsstat"
section: "8"
platform: "linux"
package: "inn"
version: "2.7.4-4"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/cnfsstat"
---

# cnfsstat(8)

Show usage of CNFS buffers

## NAME

cnfsstat - Show usage of CNFS buffers

## SYNOPSIS

**cnfsstat** \[**-ahpPsv**\] \[**-c** *class*\] \[**-i** *seconds*\] \[**-l** \[*seconds*\]\] \[**-m** *buffer*\]

## DESCRIPTION

**cnfsstat** reads *pathetc*/cycbuff.conf and *pathetc*/storage.conf to determine which CNFS buffers are available.  It then reads the specified cyclic buffers and shows their usage status.  **cnfsstat** can be invoked from **rc.news** if *docnfsstat* is set to true in *inn.conf*, and the result is written to [syslog(3)](/syslog/3.md).

## OPTIONS

- **-a**

  Besides its usual output, **cnfsstat** prints the age of the oldest article in the cycbuff.  You may also want to use the **-v** flag to see extended consistency checks.

- **-c** *class*

  Only information for the specified class is printed.

- **-h**

  Print usage information and exit.

- **-i** *seconds*

  With this option, **cnfsstat** has an initial sleep of *seconds* seconds at startup.  This is useful when **cnfsstat** is started at the same time as INN, so that it can wait a little before beginning performing its checks.

- **-l** \[*seconds*\]

  With this option, **cnfsstat** prints a status snapshot every *seconds* seconds, and only exits if an error occurs.  When unspecified, the default interval is `"600"` seconds.

  At each iteration, **cnfsstat** checks whether the *cycbuff.conf* and *storage.conf* files have been modified, and loads the new configuration if needed.

- **-m** *buffer*

  Print information about the specified buffer in a format suitable for MRTG.

- **-p**

  Print an MRTG config file.

- **-P**

  Write PID into *pathrun*/cnfsstat.pid.

- **-s**

  Write output to [syslog(3)](/syslog/3.md) instead of standard output.

- **-v**

  Write additional information, especially about consistency checks for article storage and the *history* file.

## HISTORY

Written by Katsuhiro Kondou \<kondou@nec.co.jp\> for InterNetNews.  Converted to POD by Julien Elie.

## SEE ALSO

[cycbuff.conf(5)](/cycbuff.conf/5.md), [history(5)](/history/5.md), [inn.conf(5)](/inn.conf/5.md), [rc.news(8)](/rc.news/8.md), [storage.conf(5)](/storage.conf/5.md).