Cluster basic

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The default cluster logging level is “3” on a possible range between 1 through 5 (5 being the most verbose and highest in overhead).  
00000ccc.0000ca4::2009/10/17-19:20:41.265 INFO  [CS] cluster service logging level is 3

00000df4.00000c04::2009/10/17-19:20:47.093 ERR   [RHS] RhsCall::Perform_NativeEH: ERROR_MOD_NOT_FOUND(126)' because of 'Unable to load resource DLL mqclus.dll.



  • 00000df4  Hex format of the PID that logged the process.


  • 00000c04  Hex thread ID of the thread that logged the entry.


  • 2009/10/17-19:20:47.093  Date and timestamp in GMT format


  • ERR  Entry type (informational (INFO), warning (WARN), or error(ERR))


  • [RHS] Component or Resource DLL identifier. In this example, RHS represents the Resource Host  Subsystem which hosts all resources in the Failover Cluster (via rhs.exe executable).  Other common components you’ll see in the log include the [NM] Network Manager, [RES] Resource DLL logging, [IM] Interface Manager, [GUM] Global Update Manager and more.  From a practical standpoint, interpreting these various codes assumes a deeper understanding of the underlying Windows Failover Clustering architecture.  Don’t worry too much if you do not have this background - the error message found after this identifier will likely be more helpful to you.
  • failover cluster manager (FCM)

Using the Global Flags utility

 cluster /cluster: res  "resourcse-name" /registerdns.

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