I haven't installed this version yet but I would suspect the storage disks. Are they available? Are the permissions correct etc? Sent from my Verizon Wireless BlackBerry -----Original Message----- From: thierry gascard <tgascard@xxxxxxxxx> Date: Wed, 20 Jan 2010 15:47:31 To: <Oracle-L@xxxxxxxxxxxxx> Subject: Database can' t connect with ASM in 11GR2 I try ton install grid infrastructure 11gR2 in 4 nodes with single instance for cold failover. Oracle Database can't connect to ASM+3 in one node. export ORACLE_SID=.. SQL> startup pfile=init.ora ORA-00205: error in identifying control file, check alert log for more info --impossible to read controfile in asm vi alertSID.log ASMB started with pid=23, OS id=19002 ORA-00210: cannot open the specified control file ORA-00202: control file: '+FRONT_INDEX/fyac/controlfile/current.256.708705589' ORA-17503: ksfdopn:2 Failed to open file +FRONT_INDEX/fyac/controlfile/current.256.708705589 ORA-15001: diskgroup "FRONT_INDEX" does not exist or is not mounted ORA-15055: unable to connect to ASM instance ORA-01034: ORACLE not available ORA-27123: unable to attach to shared memory segment Linux-x86_64 Error: 13: Permission denied Additional information: 32768 Additional information: 10 [grid@dbfront41 ~] /usr/sbin/oracleasm listdisks -- OK [grid@dbfront41 ~]$ srvctl status asm -n dbfront41 ASM is running on dbfront41 [grid@dbfront41 ~] SQL> select name, STATE 2 from V$ASM_DISKGROUP; NAME STATE ------------------------------ ----------- YAC_DATA MOUNTED BACKUP_BDD MOUNTED CRS_GRP MOUNTED FRONT_DATA MOUNTED FRONT_INDEX MOUNTED YAC_INDEX MOUNTED Why, i have 'nt this problem in other nodes ?. Thank you for any help. Thierry.