From: Nicolas Boichat <nicolas@boichat.ch>
Date: Tue, 18 Oct 2005 23:11:52 +0000 (+0000)
Subject: dvd.c:dvd_write_part: Increase timeout when writing the first part (see the code... 
X-Git-Tag: Release-1.38.0~49
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=7f2c6aa609ae98334307309a8ce5e43ea48facd7;p=bacula%2Fbacula

dvd.c:dvd_write_part: Increase timeout when writing the first part (see the code for more details).


git-svn-id: https://bacula.svn.sourceforge.net/svnroot/bacula/trunk@2466 91ce42f0-d328-0410-95d8-f526ca767f89
---

diff --git a/bacula/nb-1.37 b/bacula/nb-1.37
index 8951596e42..9bd055ccb5 100644
--- a/bacula/nb-1.37
+++ b/bacula/nb-1.37
@@ -4,6 +4,9 @@
 General:
 
 Changes to 1.37.*:
+19Oct05
+ - dvd.c:dvd_write_part: Increase timeout when writing the first part (see the code for
+   more details).
 18Oct05
  - Modify .backups command to get a fileset parameter (fix bug #444).
 17Oct05
diff --git a/bacula/src/stored/dvd.c b/bacula/src/stored/dvd.c
index 54ee866347..578cbaaaf8 100644
--- a/bacula/src/stored/dvd.c
+++ b/bacula/src/stored/dvd.c
@@ -349,10 +349,23 @@ bool dvd_write_part(DCR *dcr)
     * timeout = dev->max_open_wait + (dev->max_part_size/(1350*1024/2));
     * I modified this for a longer timeout; pre-formatting, blanking and
     * writing can take quite a while
-    *
-    * NB: Use part_size and not max_part_size, needed when you don't set max part size (so it defaults to 0)
     */
-   timeout = dev->max_open_wait + (dev->part_size/(1350*1024)*8);
+
+   /* Explanation of the timeout value, when writing the first part,
+    *  by Arno Lehmann :
+    * 9 GB, write speed 1x: 6990 seconds (almost 2 hours...)
+    * Overhead: 900 seconds (starting, initializing, finalizing,probably 
+    *   reloading 15 minutes)
+    * Sum: 15780.
+    * A reasonable last-exit timeout would be 16000 seconds. Quite long - 
+    * almost 4.5 hours, but hopefully, that timeout will only ever be needed 
+    * in case of a serious emergency.
+    */
+
+   if (dev->part == 0)
+      timeout = 16000;
+   else
+      timeout = dev->max_open_wait + (dev->part_size/(1350*1024/4));
 
    Dmsg2(29, "dvd_write_part: cmd=%s timeout=%d\n", ocmd.c_str(), timeout);