Ora-01115 Io Error Reading Block From File 1
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ora-01115 ora-01110 ora-27072 ORA-1115 IO error reading block from file tips Oracle Database Tips ora-01115 ora-01110 ora-15081 by Burleson Consulting February 11, 2015 Question: I am running a dbms_stats job with default_degree and I'm getting a ORA-01115 error. This ora-01115: io error reading block from file 4 is an 8 CPU server running 10g on HP/UX. BEGIN DBMS_STATS.GATHER_DICTIONARY_STATS (ESTIMATE_PERCENT => DBMS_STATS.AUTO_SAMPLE_SIZE, METHOD_OPT => 'FOR ALL COLUMNS SIZE AUTO', DEGREE => DBMS_STATS.DEFAULT_DEGREE, GRANULARITY => 'ALL', CASCADE => TRUE, ora-27070 async read/write failed OPTIONS => 'GATHER', NO_INVALIDATE => FALSE); END;*ERROR at line 1:ORA-12801: error signaled in parallel query server P012ORA-01115: IO error reading block from file 22 (block # 969)ORA-27072: File I/O error I only have 8 CPU's and I don't understand why Oracle fired-off 12 parallel query slaves (parallel query server P012). What causes this ORA-01115 error in automatic parallel query? When I manually reduce the parallelism, it runs fine! Answer: The docsOra-01115: Io Error Reading Block From File 5
note this about the ORA-01115 error, the ORA-01115 is a transient I/O error not related to block corruption: ORA-01115: IO error reading block from file string (block # string) Cause: Device on which the file resides is probably offlineAction: Restore access to the device Using 12 parallel query slaves probably not optimal for an 8 CPU server, and Oracle may have over-estimated the optimal degree of parallelism. Here are the rules I use for optimizing the degree of parallelism. Also note that using parallel automatic tuning can HURT your performance, and I prefer to set parallelism manually, on a case-by-case basis. I suspect that your error is caused by firing off too many parallel query slaves, but you should also check for a bug on MOSC. You can pinpoint the tablespace and segment for an ORA-01444 error by plugging-in the file_id and block_id into this query on dba_extents: select owner,tablespace_name, segment_type, segment_name from dba_extentswhere file_id = 1030and block_id = 602122; In some cases, the ORA-01114 error occurs when a whole disk or mount point is full. ORA-01115 can occur when you attempt to write to a file and the device with the file is either: offline OR has run out of space, possibly because it is a temporary file which was not allocated at
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Overflow the company Business Learn more about hiring developers or posting ads with us ora-01115 ora-01110 ora-27070 Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community ora-01115: io error reading block from file ora-27072: file i/o error of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up SQL Error: ORA-01115: IO error reading block from file (block # ) up vote 0 down http://www.dba-oracle.com/t_ora_1115_io_error_reading_block_from_file.htm vote favorite I was getting an error while trying to insert the data from a backup table. SQL Error: ORA-30036: unable to extend segment by 8 in undo tablespace 'UND_TBS' 30036. 00000 - "unable to extend segment by %s in undo tablespace '%s'" To solve this issue, I have creted a new empty datafile to the respective path. After that I am getting the below given error while trying to do http://stackoverflow.com/questions/24430471/sql-error-ora-01115-io-error-reading-block-from-file-block any select/delete operation. Error at Command Line:1 Column:0 Error report: SQL Error: ORA-01115: IO error reading block from file (block # ) ORA-01110: data file 82: '/pathOfDataFile/my_newly_created_datafile.dbf' ORA-27072: File I/O error Additional information: 7 Additional information: 16578 01115. 00000 - "IO error reading block from file %s (block # %s)" *Cause: Device on which the file resides is probably offline *Action: Restore access to the device I checked the status of the file which is ONLINE. Any idea how can I fix this error? oracle share|improve this question asked Jun 26 '14 at 12:24 e p 1,55594290 1 On the operating system level, is the file online and readable? –ammoQ Jun 26 '14 at 12:28 I checked the status with select * from dba_data_files and is found to be ONLINE –e p Jun 26 '14 at 12:30 That's what oracle believes, but you need to check the reality. –ammoQ Jun 26 '14 at 12:30 How can I check that? –e p Jun 26 '14 at 12:32 1 Check the other database files, do they have the same permission? -rwxrwxrwx 1 root system seems a bit strange to me. –ammoQ Jun 26 '14 at 12:42 | show 10 more comments active oldest votes Know someone
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May 28, 2012 / RAC / By Brijesh / 1 COMMENTS At the time recovery in standby database if you see error (Version 11.2.0.2) ORA-01115: IO error reading block from file 201 (block # 11080) ORA-01110: data file 263: ‘+DATADG/datafile/indx_8m.655.665578′ ORA-15055: unable to connect to ASM instance ORA-00020: maximum number of processes (100) exceeded ORA-01115: corruption in asm based datafile of 11g database on a standby database Steps to resolve issue: 1. Check ASM alert log file alert_+ASM1.log. 2. From ASM instance ================ sqlplus "/as sysasm" Increase the number of processes SQL> alter system set processes=200 scope=spfile; System altered. SQL> alter system set "_allow_cell_smart_scan_attr"=false scope=spfile; System altered. The parameter "_allow_cell_smart_scan_attr" is specific to exadata and in Normal systems with ASM will have this value as True which caused unwanted scans/processes to the ASM disks which caused ORA-20 and slight performance impact. By setting the value to FALSE in Non-Exadata will work around the issue. If OCR/Voting disk placed on shared Cluster file system, then bounce the ASM instance to reflect these changes,otherwise bounce the cluster in case OCR/voting disk placed on ASM file system. About the Author Brijesh I'm 10gR2 RAC Oracle certified professional, working from last 6 year in the field of database. Leave a Comment: Name * E-Mail * Website Comment 1 comments Muhammad Ahmad says May 29, 2012 try to quantify the maximum concurrent process which could run on your system as per your application workload environment and set processes parameter approapiately. the required command set already given in previous post by Brijesh. regards, Muhammad Ahmad
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