ADSM-L

Copy job "freezed"

2003-03-31 11:08:08
Subject: Copy job "freezed"
From: PAC Brion Arnaud <Arnaud.Brion AT PANALPINA DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Mon, 31 Mar 2003 18:07:46 +0200
Hi *Smers,

Could anybody explain me why I consistently see "backup stg" jobs "freezing" ? 
What happens is that the job begins, but thereafter hangs for a while, doing 
nothing at all, and suddenly starts copying data on tape. I saw this behavior 
on severall flavors of TSM (actually on 4.2.3.1), without finding any good 
reason for it. Tape drives are available, other copy jobs for other pools are 
starting o.k., and this happens randomly on all storage pools.
For example, what I'm getting now :

 Process Process Description  Status                                           
  Number                      
-------- -------------------- -------------------------------------------------
   1.300 Expiration           Examined 2635594 objects, deleting 118953 backup 
                               objects, 0 archive objects, 0 DB backup volumes,
                               0 recovery plan files; 0 errors encountered.    
   1.301 Backup Storage Pool  Primary Pool TAPELTO1_SAP_DB, Copy Pool          
                               COPYLTO2_SAP_DB, Files Backed Up: 29, Bytes     
                               Backed Up: 146,721,162,318, Unreadable Files: 0,
                               Unreadable Bytes: 0. Current Physical File      
                               (bytes): 5,551,536,433
                         
                               Current input volume: 000025.
                  
                               Current output volume: 000446.
                 
   1.324 Backup Storage Pool  Primary Pool TAPELTO1_AIX, Copy Pool             
                               COPYLTO2_AIX, Files Backed Up: 0, Bytes Backed  
                               Up: 0, Unreadable Files: 0, Unreadable Bytes: 0.
                               Current Physical File (bytes): None             
   1.325 Backup Storage Pool  Primary Pool TAPELTO1_AIX, Copy Pool             
                               COPYLTO2_AIX, Files Backed Up: 0, Bytes Backed  
                               Up: 0, Unreadable Files: 0, Unreadable Bytes: 0.
                               Current Physical File (bytes): None             
   1.328 Backup Storage Pool  Primary Pool TAPELTO1_WIN, Copy Pool             
                               COPYLTO2_WIN, Files Backed Up: 5155, Bytes      
                               Backed Up: 581,930,405, Unreadable Files: 0,    
                               Unreadable Bytes: 0. Current Physical File      
                               (bytes): None
                                  
                               Current input volume: 000288.
                  
                               Current output volume: 000445.
                 
   1.329 Backup Storage Pool  Primary Pool TAPELTO1_WIN, Copy Pool             
                               COPYLTO2_WIN, Files Backed Up: 4836, Bytes      
                               Backed Up: 567,579,737, Unreadable Files: 0,    
                               Unreadable Bytes: 0. Current Physical File      
                               (bytes): None
                                  
                               Current input volume: 000209.
                  
                               Current output volume: 000419.

The script that starts copies looks like this :

 /*         starts backups on ltolib2            */
BAckup STGpool tapelto1_sap_db copylto2_sap_db MAXPRocess=4 
BAckup STGpool tapelto1_inf_db copylto2_inf_db MAXPRocess=4 wait=yes
BAckup STGpool diskpool_arch copylto2_arch MAXprocess=1
Backup STGpool diskpool_dir copylto2_dir MAXPRocess=1 
Backup STGpool diskpool_sql_logs copylto2_sql_logs MAXPRocess=1
Backup STGpool diskpool_sql_meta copylto2_sql_meta MAXPRocess=1 
BAckup STGpool diskpool_db2_l0 copylto2_db2_l0 MAXPRocess=2 
BAckup STGpool diskpool_db2_l1 copylto2_db2_l1 MAXPRocess=2 wait=yes
BAckup STGpool diskpool_aix copylto2_aix MAXPRocess=2 
BAckup STGpool diskpool_dblogs copylto2_dblogs MAXPRocess=2
Backup STGpool filepool_dir copylto2_dir MAXPRocess=1 
BAckup STGpool diskpool_win copylto2_win MAXPRocess=2 wait=yes
BAckup STGpool tapelto1_full_colloc copylto2_aix MAXPRocess=1
BAckup STGpool tapelto1_aix copylto2_aix MAXPRocess=2
BAckup STGpool tapelto1_dblogs copylto2_dblogs MAXPRocess=2
BAckup STGpool tapelto1_win copylto2_win MAXPRocess=2 wait=yes
BAckup STGpool tapelto1_arch copylto2_arch MAXPRocess=1
Backup STGpool tapelto1_sql_logs copylto2_sql_logs MAXPRocess=1
Backup STGpool tapelto1_sql_db_full copylto2_sql_db_full MAXPRocess=1 
BAckup STGpool tapelto1_db2_l1 copylto2_db2_l1 MAXPRocess=1 
BAckup STGpool tapelto1_db2_l0 copylto2_db2_l0 MAXPRocess=1 wait=yes

Expiration job was started before this script begins, and cannot be delayed, 
due to time constraints. Copy job for tapelto_aix now sits for more than 2 
hours :-(
Any explanation would be welcomed !
TIA.

Arnaud

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