2538427 - OSERR : EACCES (13) "Permission denied" -

DB2diag.log contains entries like the following

2017-09-05-12.52.05.980457+330 E581600A1137         LEVEL: Error (OS)
MESSAGE : ZRC=0x840F0001=-2079391743=SQLO_ACCD "Access Denied"
 DIA8701C Access denied for resource "", operating system return code
CALLED  : OS, -, open
OSERR   : EACCES (13) "Permission denied"
DATA #1 : Codepath, 8 bytes
DATA #2 : File name, 12 bytes
DATA #3 : SQO Open File Options, PD_TYPE_SQO_FILE_OPEN_OPTIONS, 4 bytes
SQLO_REVISE, SQLO_READWRITE, SQLO_EXCLUSIVE, SQLO_WRITETHRU
DATA #4 : Hex integer, 4 bytes
DATA #5 : signed integer, 4 bytes
DATA #6 : Hex integer, 4 bytes
0x00000000
DATA #7 : String, 105 bytes
Search for ossError*Analysis probe point after this log entry for further
self-diagnosis of this problem.

2024-03-20-12.37.30.892891+330 I61651910A3989       LEVEL: Error (OS)
PID     : 000000000             TID : 0000           PROC : db2sysc 0
INSTANCE: db2<sid>               NODE : 000           DB   : <SID

FUNCTION: DB2 Common, OSSe, ossErrorIOAnalysis, probe:100
CALLED  : OS, -, open
OSERR   : EACCES (13) "Permission denied"
DATA #1 : String, 150 bytes
A total of 2 analysis will be performed :
 - User info
 - Path access permission

 Target file = /db2/<SID>/log_dir/NODE0000/LOGSTREAM0000/S0XXXXX.LOG
DATA #2 : String, 184 bytes
  Real user ID of current process       = 
  Effective user ID of current process  = 
  Real group ID of current process      = 
  Effective group ID of current process = 
DATA #3 : String, 41 bytes
current sbrk(0) value: 0x0000000110ad4600
DATA #4 : String, 298 bytes
Information of each subdirectory leading up to the first inaccessible one is shown in the format below :
   <UID>:<GID>:<permissions> (subdirectories)

   0:0:755 (db2)
   206:204:755 (SID)
   206:204:755 (log_dir)
   206:204:750 (NODE0000)
   206:204:750 (LOGSTREAM0000)
   0:0:644 (S0XXXXX.LOG)

Db2 IBM

ossLogSysRC + 0x9C, log_dir, log file, /db2, upgrade, db2start, db2diag.log , KBA , BC-DB-DB6 , DB2 Universal Database for Unix / NT , Problem