# Administration Reference

## afs_file_intro

Purpose

Introduction to AFS files

Description

A number of files must reside on the local disk of AFS server and client machines. They belong to the following general categories:

- Configuration files define configuration parameters for specific server and kernel processes such as the Backup System Tape Coordinator or the Cache Manager

- Administrative files list information used in administration of server machines, such as a list of privileged users or server encryption keys

- Cache-related files contain cached data or information about cached data, on client machines

- Log files contain tracing messages about the operation of a specific process

- Database files contain database records used to administer the AFS cell

- Controller files control the behavior of a process

- Volume header files represent AFS volumes on server partitions

For a description of the format and contents of each file, see its reference page.

Note for Windows users: Some files described in this document possibly do not exist on machines that run a Windows operating system. Also, Windows uses a backslash ( \ ) rather than a forward slash ( / ) to separate the elements in a pathname.

Related Information

Configuration files:

  BosConfig

  CFG_device_name

  CellServDB (client version)

  CellServDB (server version)

  NetInfo (client version)

  NetInfo (server version)

  NetRestrict (client version)

  NetRestrict (server version)

  ThisCell (client version)

  ThisCell (server version)

  cacheinfo

  sysid

  tapeconfig

  package Configuration File

  uss Template File

  uss Bulk Input File

Administrative files:

  KeyFile

  UserList

Cache-related files:

  CacheItems

  Vn

  VolumeItems

Log files:

  AuthLog

  BackupLog

  BosLog

  FileLog

  SalvageLog

  TE_device_name

  TL_device_name

  VLLog

  VolserLog

  fms.log

Database files:

  bdb.DB0 and bdb.DBSYS1

  kaserver.DB0 and kaserver.DBSYS1

  kaserverauxdb

  prdb.DB0 and prdb.DBSYS1

  vldb.DB0 and vldb.DBSYS1

Controller files:

  FORCESALVAGE

  NoAuth

  SALVAGE.fs

  salvage.lock

Volume header files:

  Vvol_ID.vol

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