Add description of new configuration parameter AccountingStorageBackupHost

NEWS

 This file describes changes in recent versions of SLURM. It primarily
 documents those changes that are of interest to users and admins.
 
+* Changes in SLURM 1.4.0-pre13
+==============================
+
 * Changes in SLURM 1.4.0-pre12
 ==============================
  -- Added support for hard time limit by associations with added configuration 
@@ -10,6 +13,7 @@ documents those changes that are of interest to users and admins.
  -- Added SLURM_SUBMIT_DIR to sbatch's output environment variables.
  -- Backup slurmdbd support implemented.
  -- Update to checkpoint/xlch logic from Hongjia Cao, NUDT.
+ -- Added configuration parameter AccountingStorageBackupHost.
 
 * Changes in SLURM 1.4.0-pre11
 ==============================

RELEASE_NOTES

@@ -134,6 +134,8 @@ ACCOUNTING CHANGES
 * Added support for Workload Characterization Key (WCKey) in accounting 
   records. This is an optional string that can be used to identify the type of
   work being performed (in addition to user ID, account name, job name, etc.).
+* Added configuration parameter AccountingStorageBackupHost for fault-tolerance
+  in communications to SlurmDBD.
 
 OTHER CHANGES
 * Modify PMI_Get_clique_ranks() to return an array of integers rather