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标题：ORA-19921: maximum number of 64 rows exceeded

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rman 登录报ORA-19921错

[oracle@db-base ~]$ rman target /

Recovery Manager: Release 11.2.0.4.0 - Production on Fri May 28 11:58:18 2021

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

RMAN-06900: WARNING: unable to generate V$RMAN_STATUS or V$RMAN_OUTPUT row
RMAN-06901: WARNING: disabling update of the V$RMAN_STATUS and V$RMAN_OUTPUT rows
ORACLE error from target database: 
ORA-19921: maximum number of 64 rows exceeded

connected to target database: ORCL (DBID=1590736012)

RMAN>

通过检查rman进程发现大量未退出进程

[oracle@db-base trace]$ ps -ef|grep rman
oracle     998   985  0 May18 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle    1054  1039  0 Apr18 ?        00:00:10 rman oracle/11.2.0/db_1/bin/rman target /
oracle    1738  1726  0 Apr27 ?        00:00:08 rman oracle/11.2.0/db_1/bin/rman target /
oracle    4294  4281  0 May11 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle    4655  4642  0 May27 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle    4955  4943  0 Apr30 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle    5712  5700  0 Apr28 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle    7162  7149  0 May19 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle    7275  7262  0 Apr17 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle    7983  7971  0 May12 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle    8013  8002  0 10:59 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle    8376  8364  0 May26 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle    8519  8507  0 11:03 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle    9196  9184  0 11:10 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle    9345  9333  0 Apr29 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle    9420  9407  0 May01 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle    9831  9818  0 11:16 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   10242 10229  0 May25 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   11023 11010  0 Apr10 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   11040 11020  0 Apr16 ?        00:00:08 rman oracle/11.2.0/db_1/bin/rman target /
oracle   11345 11332  0 Apr11 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   11364 11343  0 Apr12 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   11696 11684  0 Apr13 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   12008 11998  0 11:39 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   12454 12441  0 Apr15 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   12680 12667  0 Apr14 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   12751 12739  0 May13 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   12849 12833  2 11:48 pts/1    00:00:26 rman oracle/11.2.0/db_1/bin/rman target /
oracle   13152 13140  0 May02 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   13731 13719  0 Apr05 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   13869 13857  0 May24 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   14027 14014  0 Apr04 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   14073 14061  0 Apr03 ?        00:00:07 rman oracle/11.2.0/db_1/bin/rman target /
oracle   14366 13332  0 12:03 pts/2    00:00:00 grep --color=auto rman
oracle   15073 15061  0 May23 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   15263 15251  0 May22 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   15766 15753  0 Apr02 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   15915 15903  0 May14 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   16805 16793  0 Mar31 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   16953 16939  0 Apr01 ?        00:00:08 rman oracle/11.2.0/db_1/bin/rman target /
oracle   17648 17635  0 May21 ?        00:00:08 rman oracle/11.2.0/db_1/bin/rman target /
oracle   17740 17728  0 May03 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   18265 18253  0 Apr09 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   18964 18951  0 May15 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   20731 20719  0 May20 ?        00:00:08 rman oracle/11.2.0/db_1/bin/rman target /
oracle   21104 21092  0 May04 ?        00:00:08 rman oracle/11.2.0/db_1/bin/rman target /
oracle   23116 23104  0 May16 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   23230 23216  0 Apr07 ?        00:00:08 rman oracle/11.2.0/db_1/bin/rman target /
oracle   23969 23956  0 Apr08 ?        00:00:07 rman oracle/11.2.0/db_1/bin/rman target /
oracle   24092 24079  0 Apr24 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   25648 25636  0 May07 ?        00:00:08 rman oracle/11.2.0/db_1/bin/rman target /
oracle   25843 25831  0 Apr23 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   26261 26248  0 Apr25 ?        00:00:08 rman oracle/11.2.0/db_1/bin/rman target /
oracle   26421 26408  0 May08 ?        00:00:08 rman oracle/11.2.0/db_1/bin/rman target /
oracle   26470 26458  0 Apr22 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   26776 26763  0 May05 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   28587 28574  0 Apr26 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   29102 29090  0 May09 ?        00:00:07 rman oracle/11.2.0/db_1/bin/rman target /
oracle   29402 29389  0 Apr20 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   29628 29613  0 May17 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   29638 29625  0 Apr06 ?        00:00:07 rman oracle/11.2.0/db_1/bin/rman target /
oracle   30118 30105  0 Apr21 ?        00:00:01 rman oracle/11.2.0/db_1/bin/rman target /
oracle   32536 32523  0 Apr19 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /
oracle   32609 32597  0 May10 ?        00:00:02 rman oracle/11.2.0/db_1/bin/rman target /

kill相关rman进程

[oracle@db-base trace]$ kill -9 `ps -ef|grep rman|grep -v grep|awk '{print $2}'`

rman 登录正常

[oracle@db-base trace]$ rman target /

Recovery Manager: Release 11.2.0.4.0 - Production on Fri May 28 12:04:19 2021

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: ORCL (DBID=1590736012)

RMAN>
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