这篇文章主要讲解了“怎么解决Oracle中的ORA-01105、ORA-01606错误”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“怎么解决Oracle中的ORA-01105、ORA-01606错误”吧！

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生产环境，Oracle Linux 6.4 RAC 11.2.4.0，今天出现了grid集群因为OCR磁盘组不能访问而不能通过命令来显示集群状态信息，在手动mount OCR磁盘组后，准备重启节点2时出现了ORA-01105,ORA-01606错误，具体信息如下:

SQL> startup
ORACLE instance started.
Total System Global Area 5.3447E+10 bytes
Fixed Size                  2265864 bytes
Variable Size            1.3019E+10 bytes
Database Buffers         4.0265E+10 bytes
Redo Buffers              160698368 bytes
ORA-01105: mount is incompatible with mounts by other instances
ORA-01606: parameter not identical to that of another mounted instance

查看错误详细说明，根据错误描述可知是由于2号实例与1号实例由于某些参数设置一样所导致的

[oracle@db2 dbs]$ oerr ora 1105
01105, 00000, "mount is incompatible with mounts by other instances"
// *Cause:  An attempt to mount the database discovered that another instance
//         mounted a database by the same name, but the mount is not
//         compatible. Additional errors are reported explaining why.
// *Action: See accompanying errors.
[oracle@db2 dbs]$ oerr ora 1606
01606, 00000, "parameter not identical to that of another mounted instance"
// *Cause:  A parameter was different on two instances.
// *Action: Modify the initialization parameter and restart.

使用spfile文件来创建文本格式的pfile文件

SQL> create pfile='rlcs.ora' from spfile;
File created.
[oracle@db2 dbs]$ cat rlcs.ora
*._serial_direct_read='AUTO'
*._swrf_mmon_flush=TRUE
*._use_adaptive_log_file_sync='FALSE'
*.audit_file_dest='/u01/app/oracle/admin/RL/adump'
*.audit_trail='NONE'
*.cluster_database=true
*.compatible='11.2.0.4.0'
*.control_files='+DATA/rl/controlfile/current.260.926786537','+ARCH/rl/controlfile/current.256.926786537'
*.db_block_size=8192
*.db_create_file_dest='+DATA'
*.db_domain=''
*.db_file_name_convert='+data/rl/','+data/rldg/'
*.db_name='RL'
*.db_recovery_file_dest='+ARCH'
*.db_recovery_file_dest_size=10737418240
*.diagnostic_dest='/u01/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=RLZYXDB)'
*.fal_server='yb_st'
RL1.instance_number=1
RL2.instance_number=2
*.listener_networks=''
*.log_archive_config='dg_config=(rl,rldg)'
*.log_archive_dest_1='location=+ARCH  valid_for=(all_logfiles,all_roles) db_unique_name=rl'
*.log_archive_dest_2='service=yb_st valid_for=(online_logfiles,primary_role) db_unique_name=rldg'
*.log_archive_dest_state_1='ENABLE'
*.log_archive_dest_state_2='ENABLE'
*.log_archive_format='%t_%s_%r.arch'
*.log_file_name_convert='+data/rl/','+data/rldg/','+arch/rl/','+arch/rldg/'
*.open_cursors=300
*.parallel_adaptive_multi_user=TRUE
*.parallel_degree_policy='AUTO'
*.parallel_force_local=FALSE
*.pga_aggregate_target=21474836480
*.processes=2000
*.remote_listener='scan-ip:1521'
*.remote_login_passwordfile='exclusive'
*.service_names='rl'
*.sessions=2205
*.sga_max_size=53687091200
*.sga_target=53687091200
*.standby_file_management='manual'
RLZY2.thread=2
RLZY1.thread=1
*.undo_retention=7200
RLZY2.undo_tablespace='UNDOTBS2'
RLZY1.undo_tablespace='UNDOTBS1'
*.utl_file_dir='/rmanbak/utl'

从文本参数文件看不出来有什么参数是两个实例不一致的。
通过执行下面的语句来查看2号实例与gc相关的参数

SQL> set linesize 333
SQL> col name for a35
SQL> col description for a66
SQL> col value for a30
SQL> SELECT   i.ksppinm name,  
  2     i.ksppdesc description,  
  3     CV.ksppstvl VALUE
  4  FROM   sys.x$ksppi i, sys.x$ksppcv CV  
  5     WHERE   i.inst_id = USERENV ('Instance')  
  6     AND CV.inst_id = USERENV ('Instance')  
  7     AND i.indx = CV.indx  
  8     AND i.ksppinm LIKE '/_gc%' ESCAPE '/'  
  9  ORDER BY   REPLACE (i.ksppinm, '_', '');  
NAME                                DESCRIPTION                                                        VALUE
----------------------------------- ------------------------------------------------------------------ ------------------------------
_gc_affinity_locking                if TRUE, enable object affinity                                    TRUE
_gc_affinity_locks                  if TRUE, get affinity locks                                        TRUE
_gc_affinity_ratio                  dynamic object affinity ratio                                      50
_gc_async_memcpy                    if TRUE, use async memcpy                                          FALSE
_gc_bypass_readers                  if TRUE, modifications bypass readers                              TRUE
_gc_check_bscn                      if TRUE, check for stale blocks                                    TRUE
_gc_coalesce_recovery_reads         if TRUE, coalesce recovery reads                                   TRUE
_gc_cpu_time                        if TRUE, record the gc cpu time                                    FALSE
_gc_cr_server_read_wait             if TRUE, cr server waits for a read to complete                    TRUE
_gc_defer_ping_index_only           if TRUE, restrict deferred ping to index blocks only               TRUE
_gc_defer_time                      how long to defer pings for hot buffers in milliseconds            0
NAME                                DESCRIPTION                                                        VALUE
----------------------------------- ------------------------------------------------------------------ ------------------------------
_gc_delta_push_compression          if delta >= K bytes, compress before push                          3072
_gc_delta_push_max_level            max delta level for delta push                                     100
_gc_delta_push_objects              objects which use delta push                                       0
_gc_disable_s_lock_brr_ping_check   if TRUE, disable S lock BRR ping check for lost write protect      TRUE
_gc_down_convert_after_keep         if TRUE, down-convert lock after recovery                          TRUE
_gc_element_percent                 global cache element percent                                       110
_gc_escalate_bid                    if TRUE, escalates create a bid                                    TRUE
_gc_fg_merge                        if TRUE, merge pi buffers in the foreground                        TRUE
_gc_flush_during_affinity           if TRUE, flush during affinity                                     TRUE
_gc_fusion_compression              compress fusion blocks if there is free space                      1024
_gc_global_checkpoint_scn           if TRUE, enable global checkpoint scn                              TRUE
NAME                                DESCRIPTION                                                        VALUE
----------------------------------- ------------------------------------------------------------------ ------------------------------
_gc_global_cpu                      global cpu checks                                                  TRUE
_gc_global_lru                      turn global lru off, make it automatic, or turn it on              AUTO
_gc_global_lru_touch_count          global lru touch count                                             5
_gc_global_lru_touch_time           global lru touch time in seconds                                   60
_gc_integrity_checks                set the integrity check level                                      1
_gc_keep_recovery_buffers           if TRUE, make single instance crash recovery buffers current       TRUE
_gc_latches                         number of latches per LMS process                                  8
_gc_log_flush                       if TRUE, flush redo log before a current block transfer            TRUE
_gc_long_query_threshold            threshold for long running query                                   0
_gc_max_downcvt                     maximum downconverts to process at one time                        256
_gc_maximum_bids                    maximum number of bids which can be prepared                       0
NAME                                DESCRIPTION                                                        VALUE
----------------------------------- ------------------------------------------------------------------ ------------------------------
_gc_no_fairness_for_clones          if TRUE, no fairness if we serve a clone                           TRUE
_gc_object_queue_max_length         maximum length for an object queue                                 0
_gc_override_force_cr               if TRUE, try to override force-cr requests                         TRUE
_gc_persistent_read_mostly          if TRUE, enable persistent read-mostly locking                     TRUE
_gc_policy_minimum                  dynamic object policy minimum activity per minute                  1500
_gc_policy_time                     how often to make object policy decisions in minutes               10
_gc_read_mostly_flush_check         if TRUE, optimize flushes for read mostly objects                  FALSE
_gc_read_mostly_locking             if TRUE, enable read-mostly locking                                FALSE
_gcr_enable_high_cpu_kill           if TRUE, GCR may kill foregrounds under high load                  FALSE
_gcr_enable_high_cpu_rm             if TRUE, GCR may enable a RM plan under high load                  FALSE
_gcr_enable_high_cpu_rt             if TRUE, GCR may boost bg priority under high load                 FALSE
NAME                                DESCRIPTION                                                        VALUE
----------------------------------- ------------------------------------------------------------------ ------------------------------
_gcr_high_cpu_threshold             minimum amount of CPU process must consume to be kill target       10
_gcr_use_css                        if FALSE, GCR wont register with CSS nor use any CSS feature       TRUE
_gc_sanity_check_cr_buffers         if TRUE, sanity check CR buffers                                   FALSE
_gcs_disable_remote_handles         disable remote client/shadow handles                               FALSE
_gcs_disable_skip_close_remastering if TRUE, disable skip close optimization in remastering            FALSE
_gc_serve_high_pi_as_current        if TRUE, use a higher clone scn when serving a pi                  TRUE
_gcs_fast_reconfig                  if TRUE, enable fast reconfiguration for gcs locks                 TRUE
_gcs_latches                        number of gcs resource hash latches to be allocated per LMS proces 64
                                    s
_gcs_pkey_history                   number of pkey remastering history                                 4000
NAME                                DESCRIPTION                                                        VALUE
----------------------------------- ------------------------------------------------------------------ ------------------------------
_gcs_process_in_recovery            if TRUE, process gcs requests during instance recovery             TRUE
_gcs_resources                      number of gcs resources to be allocated
_gcs_res_per_bucket                 number of gcs resource per hash bucket                             4
_gcs_shadow_locks                   number of pcm shadow locks to be allocated
_gc_statistics                      if TRUE, kcl statistics are maintained                             TRUE
_gcs_testing                        GCS testing parameter                                              0
_gc_transfer_ratio                  dynamic object read-mostly transfer ratio                          2
_gc_undo_affinity                   if TRUE, enable dynamic undo affinity                              TRUE
_gc_undo_block_disk_reads           if TRUE, enable undo block disk reads                              TRUE
_gc_use_cr                          if TRUE, allow CR pins on PI and WRITING buffers                   TRUE
_gc_vector_read                     if TRUE, vector read current buffers                               TRUE
64 rows selected.

查看1号实例与gc相关的参数

SQL> set linesize 333
SQL> col name for a35
SQL> col description for a66
SQL> col value for a30
SQL> SELECT   i.ksppinm name,  
  2     i.ksppdesc description,  
  3     CV.ksppstvl VALUE
  4  FROM   sys.x$ksppi i, sys.x$ksppcv CV  
  5     WHERE   i.inst_id = USERENV ('Instance')  
  6     AND CV.inst_id = USERENV ('Instance')  
  7     AND i.indx = CV.indx  
  8     AND i.ksppinm LIKE '/_gc%' ESCAPE '/'  
  9  ORDER BY   REPLACE (i.ksppinm, '_', '');  
NAME                                DESCRIPTION                                                        VALUE
----------------------------------- ------------------------------------------------------------------ ------------------------------
_gc_affinity_locking                if TRUE, enable object affinity                                    TRUE
_gc_affinity_locks                  if TRUE, get affinity locks                                        TRUE
_gc_affinity_ratio                  dynamic object affinity ratio                                      50
_gc_async_memcpy                    if TRUE, use async memcpy                                          FALSE
_gc_bypass_readers                  if TRUE, modifications bypass readers                              TRUE
_gc_check_bscn                      if TRUE, check for stale blocks                                    TRUE
_gc_coalesce_recovery_reads         if TRUE, coalesce recovery reads                                   TRUE
_gc_cpu_time                        if TRUE, record the gc cpu time                                    FALSE
_gc_cr_server_read_wait             if TRUE, cr server waits for a read to complete                    TRUE
_gc_defer_ping_index_only           if TRUE, restrict deferred ping to index blocks only               TRUE
_gc_defer_time                      how long to defer pings for hot buffers in milliseconds            0
NAME                                DESCRIPTION                                                        VALUE
----------------------------------- ------------------------------------------------------------------ ------------------------------
_gc_delta_push_compression          if delta >= K bytes, compress before push                          3072
_gc_delta_push_max_level            max delta level for delta push                                     100
_gc_delta_push_objects              objects which use delta push                                       0
_gc_disable_s_lock_brr_ping_check   if TRUE, disable S lock BRR ping check for lost write protect      TRUE
_gc_down_convert_after_keep         if TRUE, down-convert lock after recovery                          TRUE
_gc_element_percent                 global cache element percent                                       110
_gc_escalate_bid                    if TRUE, escalates create a bid                                    TRUE
_gc_fg_merge                        if TRUE, merge pi buffers in the foreground                        TRUE
_gc_flush_during_affinity           if TRUE, flush during affinity                                     TRUE
_gc_fusion_compression              compress fusion blocks if there is free space                      1024
_gc_global_checkpoint_scn           if TRUE, enable global checkpoint scn                              TRUE
NAME                                DESCRIPTION                                                        VALUE
----------------------------------- ------------------------------------------------------------------ ------------------------------
_gc_global_cpu                      global cpu checks                                                  TRUE
_gc_global_lru                      turn global lru off, make it automatic, or turn it on              AUTO
_gc_global_lru_touch_count          global lru touch count                                             5
_gc_global_lru_touch_time           global lru touch time in seconds                                   60
_gc_integrity_checks                set the integrity check level                                      1
_gc_keep_recovery_buffers           if TRUE, make single instance crash recovery buffers current       TRUE
_gc_latches                         number of latches per LMS process                                  8
_gc_log_flush                       if TRUE, flush redo log before a current block transfer            TRUE
_gc_long_query_threshold            threshold for long running query                                   0
_gc_max_downcvt                     maximum downconverts to process at one time                        256
_gc_maximum_bids                    maximum number of bids which can be prepared                       0
NAME                                DESCRIPTION                                                        VALUE
----------------------------------- ------------------------------------------------------------------ ------------------------------
_gc_no_fairness_for_clones          if TRUE, no fairness if we serve a clone                           TRUE
_gc_object_queue_max_length         maximum length for an object queue                                 0
_gc_override_force_cr               if TRUE, try to override force-cr requests                         TRUE
_gc_persistent_read_mostly          if TRUE, enable persistent read-mostly locking                     TRUE
_gc_policy_minimum                  dynamic object policy minimum activity per minute                  1500
_gc_policy_time                     how often to make object policy decisions in minutes               10
_gc_read_mostly_flush_check         if TRUE, optimize flushes for read mostly objects                  FALSE
_gc_read_mostly_locking             if TRUE, enable read-mostly locking                                TRUE
_gcr_enable_high_cpu_kill           if TRUE, GCR may kill foregrounds under high load                  FALSE
_gcr_enable_high_cpu_rm             if TRUE, GCR may enable a RM plan under high load                  FALSE
_gcr_enable_high_cpu_rt             if TRUE, GCR may boost bg priority under high load                 FALSE
NAME                                DESCRIPTION                                                        VALUE
----------------------------------- ------------------------------------------------------------------ ------------------------------
_gcr_high_cpu_threshold             minimum amount of CPU process must consume to be kill target       10
_gcr_use_css                        if FALSE, GCR wont register with CSS nor use any CSS feature       TRUE
_gc_sanity_check_cr_buffers         if TRUE, sanity check CR buffers                                   FALSE
_gcs_disable_remote_handles         disable remote client/shadow handles                               FALSE
_gcs_disable_skip_close_remastering if TRUE, disable skip close optimization in remastering            FALSE
_gc_serve_high_pi_as_current        if TRUE, use a higher clone scn when serving a pi                  TRUE
_gcs_fast_reconfig                  if TRUE, enable fast reconfiguration for gcs locks                 TRUE
_gcs_latches                        number of gcs resource hash latches to be allocated per LMS proces 64
                                    s
_gcs_pkey_history                   number of pkey remastering history                                 4000
NAME                                DESCRIPTION                                                        VALUE
----------------------------------- ------------------------------------------------------------------ ------------------------------
_gcs_process_in_recovery            if TRUE, process gcs requests during instance recovery             TRUE
_gcs_resources                      number of gcs resources to be allocated
_gcs_res_per_bucket                 number of gcs resource per hash bucket                             4
_gcs_shadow_locks                   number of pcm shadow locks to be allocated
_gc_statistics                      if TRUE, kcl statistics are maintained                             TRUE
_gcs_testing                        GCS testing parameter                                              0
_gc_transfer_ratio                  dynamic object read-mostly transfer ratio                          2
_gc_undo_affinity                   if TRUE, enable dynamic undo affinity                              TRUE
_gc_undo_block_disk_reads           if TRUE, enable undo block disk reads                              TRUE
_gc_use_cr                          if TRUE, allow CR pins on PI and WRITING buffers                   TRUE
_gc_vector_read                     if TRUE, vector read current buffers                               TRUE
64 rows selected.

通过对比发现_gc_read_mostly_locking参数在1号实例中为true，2号实例为false

将所有实例中的_gc_read_mostly_locking参数设置为true

SQL> alter system set "_gc_read_mostly_locking"=true scope=spfile sid='*';
System altered.

重启2号实例成功

SQL> shutdown immediate
ORA-01507: database not mounted
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
Total System Global Area 5.3447E+10 bytes
Fixed Size                  2265864 bytes
Variable Size            1.3019E+10 bytes
Database Buffers         4.0265E+10 bytes
Redo Buffers              160698368 bytes
Database mounted.
Database opened.

原因是因为之前有人修改过_gc_read_mostly_locking隐藏参数，只是只修改了1号实例。

感谢各位的阅读，以上就是“怎么解决Oracle中的ORA-01105、ORA-01606错误”的内容了，经过本文的学习后，相信大家对怎么解决Oracle中的ORA-01105、ORA-01606错误这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是创新互联，小编将为大家推送更多相关知识点的文章，欢迎关注！

标题名称：怎么解决Oracle中的ORA-01105、ORA-01606错误-创新互联
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