---
name: "fssync-debug_callback"
section: "8"
platform: "linux"
package: "openafs-fileserver"
version: "1.8.13.2-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/fssync-debug_callback"
---

# fssync-debug\_callback(8)

Breaks callbacks for a volume (FSYNC\_VOL\_BREAKCBKS opcode)

## NAME

fssync-debug\_callback - Breaks callbacks for a volume (FSYNC\_VOL\_BREAKCBKS opcode)

## SYNOPSIS

**fssync-debug callback** **-volumeid** \<*volume ID*\>\
     \[**-partition** \<*exact partition name*\>\]\
     \[**-reason** \<*sync protocol reason code*\>\]\
     \[**-programtype** \<*program type code*\>\]\
     \[**-help**\]

**fssync-debug ca** **-v** \<*volume ID*\>\
     \[**-pa** \<*exact partition name*\>\]\
     \[**-r** \<*sync protocol reason code*\>\]\
     \[**-pr** \<*program type code*\>\]\
     \[**-h**\]

**fssync-debug cbk** **-v** \<*volume ID*\>\
     \[**-pa** \<*exact partition name*\>\]\
     \[**-r** \<*sync protocol reason code*\>\]\
     \[**-pr** \<*program type code*\>\]\
     \[**-h**\]

## DESCRIPTION

The **fssync-debug callback** command breaks callbacks for a volume.

## OPTIONS

- **-volumeid** \<*volume ID*\>

  Specifies the numeric volume ID. Volume names are not permitted.

- **-partition** \<*exact partition name*\>

  Specifies the exact partition name (e.g. */vicepa*). Abbreviations are not permitted.

- **-reason** \<*sync protocol reason code*\>

  Specifies numeric sync protocol reason code. Available codes are listed in OpenAFS source file *src/vol/fssync\_inline.h*. For SYNC\_REASON\_NONE, use **-reason** ***0***.

- **-programtype** \<*program type code*\>

  Specifies program type code. Permitted values are *fileServer*, *volumeUtility*, *salvager*, *salvageServer*, *volumeServer* and *volumeSalvager*.

- **-help**

  Prints the online help for this command. All other valid options are ignored.

## PRIVILEGE REQUIRED

The issuer must have write access to the file server. Usually, this means that the issuer must be the local superuser `"root"` on the file server machine.

## SEE ALSO

[**fssync-debug\_attach**(8)](/fssync-debug_attach/8.md), [**fssync-debug\_detach**(8)](/fssync-debug_detach/8.md), [**fssync-debug\_online**(8)](/fssync-debug_online/8.md), [**fssync-debug\_offline**(8)](/fssync-debug_offline/8.md), [**fssync-debug\_leaveoff**(8)](/fssync-debug_leaveoff/8.md), [**fssync-debug\_error**(8)](/fssync-debug_error/8.md)

## COPYRIGHT

Copyright 2010 Davor Ocelic \<docelic@spinlocksolutions.com\>

This documentation is covered by the IBM Public License Version 1.0.  This man page was written by Davor Ocelic for OpenAFS, based on documentation from Steven Jenkins, Tom Keiser and Simon Wilkinson.