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[bacula/docs] / docs / manuals / en / main / storedconf.tex

diff --git a/docs/manuals/en/main/storedconf.tex b/docs/manuals/en/main/storedconf.tex
index b5d541967376728f3093085a292cf735707b1105..5c9e28da36e3f012395cf7add8c6417a5cfba2d4 100644 (file)
--- a/docs/manuals/en/main/storedconf.tex
+++ b/docs/manuals/en/main/storedconf.tex
@@ -529,6 +529,16 @@ bacula-sd  Alert: TapeAlert[32]: Interface: Problem with SCSI interface
    for reserving a drive for something special such as a high priority
    backup or restore operations.
 
+\item[Maximum Concurent Jobs = {\it num}]
+\index[sd]{MaximumConcurentJobs}
+
+{\bf Maximum Concurrent Jobs} is a directive that permits setting the maximum
+number of Jobs that can run concurrently on a specified Device.  Using this
+directive, it is possible to have different Jobs using multiple drives, because
+when the Maximum Concurrent Jobs limit is reached, the Storage Daemon will
+start new Jobs on any other available compatible drive.  This facilitates
+writing to multiple drives with multiple Jobs that all use the same Pool.
+
 \item [Maximum Changer Wait = {\it time}]
    \index[sd]{Maximum Changer Wait}
    \index[sd]{Directive!Maximum Changer Wait}
@@ -739,6 +749,20 @@ the editing codes that can be used in this directive.
 
   If you need to specify multiple commands, create a shell script.
 
+\item[Block Checksum = {\it yes/no}]
+
+  You may turn off the Block Checksum (CRC32) code that Bacula uses when
+  writing blocks to a Volume. Doing so can reduce the Storage daemon CPU usage
+  slightly.  It will also permit Bacula to read a Volume that has corrupted
+  data.
+
+  The default is {\bf yes} -- i.e. the checksum is computed on write and
+  checked on read.
+
+  \textbf{We do not recommend to turn this off} particularly on older tape
+  drives or for disk Volumes where doing so may allow corrupted data to go
+  undetected.
+
 \item [Minimum block size = {\it size-in-bytes}]
    \index[sd]{Minimum block size}
    \index[sd]{Directive!Minimum block size}