1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2 3<html> 4 <head> 5 <meta name="generator" content="HTML Tidy, see www.w3.org"> 6 <title>Network Mounted File System and Spool 7 Directories</title> 8 <meta name="GENERATOR" content= 9 "Modular DocBook HTML Stylesheet Version 1.7"> 10 <link rel="HOME" title=" LPRng Reference Manual" href= 11 "index.htm"> 12 <link rel="UP" title="Installation" href="installation.htm"> 13 <link rel="PREVIOUS" title= 14 "PATH Environment Variable and Utilities" href="x433.htm"> 15 <link rel="NEXT" title="Daemon User and Daemon Group " href= 16 "usergroup.htm"> 17 </head> 18 19 <body class="SECT1" bgcolor="#FFFFFF" text="#000000" link= 20 "#0000FF" vlink="#840084" alink="#0000FF"> 21 <div class="NAVHEADER"> 22 <table summary="Header navigation table" width="100%" border= 23 "0" cellpadding="0" cellspacing="0"> 24 <tr> 25 <th colspan="3" align="center">LPRng Reference Manual: 5 26 Sep 2003 (For LPRng-3.8.22)</th> 27 </tr> 28 29 <tr> 30 <td width="10%" align="left" valign="bottom"><a href= 31 "x433.htm" accesskey="P">Prev</a></td> 32 33 <td width="80%" align="center" valign="bottom">Chapter 2. 34 Installation</td> 35 36 <td width="10%" align="right" valign="bottom"><a href= 37 "usergroup.htm" accesskey="N">Next</a></td> 38 </tr> 39 </table> 40 <hr align="LEFT" width="100%"> 41 </div> 42 43 <div class="SECT1"> 44 <h1 class="SECT1"><a name="NFSMOUNT">2.3. Network Mounted 45 File System and Spool Directories</a></h1> 46 47 <div class="WARNING"> 48 <blockquote class="WARNING"> 49 <p><b>Warning</b>It is strongly recommended that the 50 print spool directories and essential printer 51 configuration file files should <span class="emphasis"><i 52 class="EMPHASIS">NOT</i></span> be in an NFS mounted file 53 system or on a file system which is NFS exported.</p> 54 </blockquote> 55 </div> 56 57 <p>The <b class="APPLICATION">LPRng</b> <b class= 58 "APPLICATION">lpd</b> print server makes heavy use of file 59 locking to coordinate and synchronize process activities. 60 Given the historical and ongoing problems of file locking on 61 and NFS mounted file system, not to mention the high overhead 62 for doing file locking in a distributed environment, it is 63 strongly recommended that spool directories <span class= 64 "emphasis"><i class="EMPHASIS">NOT</i></span> be on an NFS 65 mounted partition or on a partition that is NFS exported.</p> 66 67 <p>This warning extends to other network file systems as 68 well.</p> 69 70 <p>In addition, the configuration file such as <tt class= 71 "FILENAME">/etc/printcap</tt> must be available or printing 72 will not function. Care should be taken to ensure that these 73 files are stable and available at all times.</p> 74 </div> 75 76 <div class="NAVFOOTER"> 77 <hr align="LEFT" width="100%"> 78 79 <table summary="Footer navigation table" width="100%" border= 80 "0" cellpadding="0" cellspacing="0"> 81 <tr> 82 <td width="33%" align="left" valign="top"><a href= 83 "x433.htm" accesskey="P">Prev</a></td> 84 85 <td width="34%" align="center" valign="top"><a href= 86 "index.htm" accesskey="H">Home</a></td> 87 88 <td width="33%" align="right" valign="top"><a href= 89 "usergroup.htm" accesskey="N">Next</a></td> 90 </tr> 91 92 <tr> 93 <td width="33%" align="left" valign="top"><var class= 94 "ENVAR">PATH</var> Environment Variable and 95 Utilities</td> 96 97 <td width="34%" align="center" valign="top"><a href= 98 "installation.htm" accesskey="U">Up</a></td> 99 100 <td width="33%" align="right" valign="top">Daemon User 101 and Daemon Group</td> 102 </tr> 103 </table> 104 </div> 105 </body> 106</html> 107 108