ORA-01102: cannot mount in EXCLUSIVE mode
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Thread: ORA-01102: cannot mount in EXCLUSIVE mode

  1. #1
    Join Date
    Feb 2006
    Posts
    37

    ORA-01102: cannot mount in EXCLUSIVE mode

    I keep getting this error when opening the database.

    ORA-01102: cannot mount database in EXCLUSIVE mode

    I have tried every different option:
    STARTUP NOMOUNT, FORCE
    STARTUP FORCE pfile
    ALTER DATABASE MOUNT, OPEN

    Nothing seems to work to get the database to mount and open.

    Any suggestions!!!

  2. #2
    Join Date
    Sep 2002
    Location
    England
    Posts
    7,333
    whats in the alert log

    also none of the commands you have posted there will work

  3. #3
    Join Date
    Feb 2006
    Posts
    37

    ORA-01102: cannot mount in EXCLUSIVE mode

    the alert file

    Starting up ORACLE RDBMS Version: 9.2.0.7.0.
    System parameters with non-default values:
    _trace_files_public = TRUE
    processes = 500
    sessions = 555
    timed_statistics = TRUE
    shared_pool_size = 553648128
    sga_max_size = 1588565800
    shared_pool_reserved_size= 100000000
    large_pool_size = 201326592
    java_pool_size = 201326592
    enqueue_resources = 8000
    nls_date_format = DD-MON-RRRR
    control_files = /oradata1/control/comp_ctrl1.ctl, /arc_logs/control/comp/comp_ctrl2.ctl, /apps/oracle/admin/comp/comp_c
    trl3.ctl
    db_block_size = 2048
    db_writer_processes = 2
    db_cache_size = 419430400
    db_cache_advice = on
    compatible = 9.2.0.0.0
    log_archive_start = TRUE
    log_archive_dest = /arc_logs/comp
    log_archive_format = %s.log
    log_buffer = 10485760
    log_checkpoint_interval = 75000000
    db_files = 150
    db_file_multiblock_read_count= 32
    dml_locks = 50000
    max_enabled_roles = 100
    O7_DICTIONARY_ACCESSIBILITY= TRUE
    db_domain = world
    global_names = FALSE
    cursor_space_for_time = TRUE
    utl_file_dir = *
    job_queue_processes = 10
    shadow_core_dump = partial
    background_core_dump = partial
    background_dump_dest = /apps/oracle/admin/comp/bdump
    user_dump_dest = /apps/oracle/admin/comp/udump
    max_dump_file_size = 102400
    core_dump_dest = /apps/oracle/admin/comp/cdump
    open_links = 10
    audit_trail = TRUE
    db_name = comp
    open_cursors = 1000
    ifile = /apps/oracle/product/9.2-cams/dbs/ifilecams20.ora
    optimizer_mode = CHOOSE
    pga_aggregate_target = 524288000
    PMON started with pid=2
    DBW0 started with pid=3
    DBW1 started with pid=4
    LGWR started with pid=5
    CKPT started with pid=6
    SMON started with pid=7
    RECO started with pid=8
    CJQ0 started with pid=9
    Mon Mar 6 10:31:21 2006
    ARCH: STARTING ARCH PROCESSES
    ARC0 started with pid=10
    ARC0: Archival started
    ARC1 started with pid=11
    Mon Mar 6 10:31:21 2006
    ARCH: STARTING ARCH PROCESSES COMPLETE
    Mon Mar 6 10:31:21 2006
    ARC1: Archival started
    Mon Mar 6 10:31:21 2006
    ARC0: Becoming the 'no FAL' ARCH
    ARC0: Becoming the 'no FAL' ARCHARC0: Thread not mounted
    Mon Mar 6 10:31:21 2006
    ARC1: Becoming the heartbeat ARCH
    ARC1: Becoming the heartbeat ARCHARC1: Thread not mounted
    Mon Mar 6 10:31:21 2006
    ALTER DATABASE MOUNT
    Mon Mar 6 10:31:21 2006
    scumnt: failed to lock /apps/oracle/product/9.2-cams/dbs/lkCOMP exclusive
    Mon Mar 6 10:31:21 2006
    ORA-09968: scumnt: unable to lock file
    Compaq Tru64 UNIX Error: 13: Permission denied
    Additional information: 1246156
    Mon Mar 6 10:31:21 2006
    ORA-1102 signalled during: ALTER DATABASE MOUNT...
    Mon Mar 6 10:32:21 2006
    ARC1: Thread not mounted
    Mon Mar 6 10:33:21 2006
    ARC1: Thread not mounted
    Mon Mar 6 10:34:21 2006
    ARC1: Thread not mounted
    Mon Mar 6 10:35:21 2006
    ARC1: Thread not mounted
    Mon Mar 6 10:36:21 2006
    ARC0: Thread not mounted
    Mon Mar 6 10:36:21 2006
    ARC1: Thread not mounted
    Mon Mar 6 10:37:21 2006
    ARC1: Thread not mounted
    Mon Mar 6 10:38:21 2006
    ARC1: Thread not mounted
    Mon Mar 6 10:38:58 2006

  4. #4
    Join Date
    Jan 2001
    Posts
    2,828
    Hi

    Shutdown the database and then move or delete the ollowing file

    scumnt: failed to lock /apps/oracle/product/9.2-cams/dbs/lkCOMP exclusive
    Mon Mar 6 10:31:21 2006
    ORA-09968: scumnt: unable to lock file
    Compaq Tru64 UNIX Error: 13: Permission denied

    There is a permission issue on that file.I think oracle will create the file during next start up.

    regards
    Hrishy

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