ORA-03113: end-of-file on communication channel

1. An error is reported when Oracle is started.

SQL> startup

Error:

ORA-03113: end-of-file on communication channel

View the alert. log File and find

ORA-03113: end-of-file on communication channel
Cannot reclaim 45680128 bytes disk space from 2147483648 limit
ARCH: Error 19809 Creating archive log file to '/u01/flash_recovery_area/ORCL/archivelog/2014_01_17/o1_mf_1_6 _ % u _. arc'

This is because the archive tablespace is full and cannot be allocated.

Solution: Open the database to the mount mode and delete the files to be discarded:

RMAN> startup nomount;

Oracle instance started

Total System Global Area 835104768 bytes

Fixed Size 2217952 bytes
Variable Size 587204640 bytes
Database Buffers 243269632 bytes
Redo Buffers 2412544 bytes

RMAN> resotre spfile from autobackup;

RMAN-00571: ========================================================== ==============================
RMAN-00569: ==================== error message stack follows ==========================
RMAN-00571: ========================================================== ==============================
RMAN-00558: error encountered while parsing input commands
RMAN-01009: syntax error: found "identifier": expecting one of: "advise, allocate, alter, backup, @, catalog, change, configure, connect, convert, copy, create, crosscheck, delete, drop, duplicate, exit, flashback, grant, host, import, list, mount, open, print, quit, recover, register, release, repair, replace, report, reset, restore, resync, revoke, run, send, set, show, shutdown, spool, SQL, startup, switch, transport, unregister, upgrade, validate ,{,"
RMAN-01008: the bad identifier was: resotre
RMAN-01007: at line 1 column 1 file: standard input

RMAN> alter database mount;

Database mounted

RMAN> delete obsolete;

RMAN retention policy will be applied to the command
RMAN retention policy is set to recovery window of 1 days
Allocated channel: ORA_DISK_1
Channel ORA_DISK_1: SID = 19 device type = DISK
Deleting the following obsolete backups and copies:
Type Key Completion Time Filename/Handle
----------------------------------------------------------------
Backup Set 2 27-DEC-13
Backup Piece 2 27-DEC-13/u01/flash_recovery_area/ORCL/backupset/2013_12_27/o1_mf_nnndf_TAG20131227T172528_9cwb48k0 _. bkp
Archive Log 2 27-DEC-13/u01/flash_recovery_area/ORCL/archivelog/2013_12_27/o1_mf_1_7_9cwq8sbj _. arc
Backup Set 1 27-DEC-13
Backup Piece 1 27-DEC-13/u01/flash_recovery_area/ORCL/backupset/2013_12_27/o1_mf_ncsnf_TAG20131227T172528_9cwb7lrp _. bkp
Archive Log 1 27-DEC-13/u01/flash_recovery_area/ORCL/archivelog/2013_12_27/o1_mf_1_6_9cwq0xm1 _. arc
Archive Log 3 27-DEC-13/u01/flash_recovery_area/ORCL/archivelog/2013_12_27/o1_mf_1_5_9cwm7cv6 _. arc

Do you really want to delete the above objects (enter YES or NO )? Yes
Deleted backup piece
Backup piece handle =/u01/flash_recovery_area/ORCL/backupset/2013_12_27/o1_mf_nnndf_TAG20131227T172528_9cwb48k0 _. bkp RECID = 2 STAMP = 835306248
Deleted archived log
Archived log file name =/u01/flash_recovery_area/ORCL/archivelog/2013_12_27/o1_mf_rj7_9cwq8sbj _. arc RECID = 2 STAMP = 835306247
Deleted backup piece
Backup piece handle =/u01/flash_recovery_area/ORCL/backupset/2013_12_27/o1_mf_ncsnf_TAG20131227T172528_9cwb7lrp _. bkp RECID = 1 STAMP = 835306248
Deleted archived log
Archived log file name =/u01/flash_recovery_area/ORCL/archivelog/2013_12_27/o1_mf_1_6_9cwq0xm1 _. arc RECID = 1 STAMP = 835306247
Deleted archived log
Archived log file name =/u01/flash_recovery_area/ORCL/archivelog/2013_12_27/o1_mf_rj5_9cwm7cv6 _. arc RECID = 3 STAMP = 835306247
Deleted 5 objects

RMAN> alter datatbase open;

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