diff options
Diffstat (limited to 'docs-xml/smbdotconf/misc/ctdblocktimewarnthreshold.xml')
| -rw-r--r-- | docs-xml/smbdotconf/misc/ctdblocktimewarnthreshold.xml | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/docs-xml/smbdotconf/misc/ctdblocktimewarnthreshold.xml b/docs-xml/smbdotconf/misc/ctdblocktimewarnthreshold.xml new file mode 100644 index 0000000..f9da01f --- /dev/null +++ b/docs-xml/smbdotconf/misc/ctdblocktimewarnthreshold.xml @@ -0,0 +1,27 @@ +<samba:parameter name="ctdb locktime warn threshold" + context="G" + type="integer" + xmlns:samba="http://www.samba.org/samba/DTD/samba-doc"> +<description> + + <para> + In a cluster environment using Samba and ctdb it is critical + that locks on central ctdb-hosted databases like locking.tdb + are not held for long. With the current Samba architecture + it happens that Samba takes a lock and while holding that + lock makes file system calls into the shared cluster file + system. This option makes Samba warn if it detects that it + has held locks for the specified number of milliseconds. If + this happens, <emphasis>smbd</emphasis> will emit a debug level 0 + message into its logs and potentially into syslog. The most likely + reason for such a log message is that an operation of the cluster + file system Samba exports is taking longer than expected. + The messages are meant as a debugging aid for potential + cluster problems. + </para> + + <para>The default value of 0 disables this logging.</para> + +</description> +<value type="default">0</value> +</samba:parameter> |