Database error and couldn't be opened

  • From: "Mostafa Eletriby" <dmarc-noreply@xxxxxxxxxxxxx> (Redacted sender "m_etrib@xxxxxxxxx" for DMARC)
  • To: Oracle-l Digest Users <oracle-l@xxxxxxxxxxxxx>
  • Date: Sun, 28 Dec 2014 07:13:50 +0000 (UTC)

Hello DBAs,Please I need top resolve these errors at database as database is 
mounted but couldn't be open.There is no backup and database is in noarchivelog 
mode.Database version:- standard edition.O.s:- linux redhat v5
Please check.Thanks
SQL> select status from v$instance;
STATUS------------------------------------MOUNTED
SQL>SQL> alter database open;alter database open*ERROR at line 1:ORA-01115: IO 
error reading block from file 7 (block # 44988)ORA-01110: data file 7: 
'/oraData/cdsdbdata/ENRPGEST.dbf'ORA-27072: File I/O errorLinux-x86_64 Error: 
5: Input/output errorAdditional information: 4Additional information: 
44988Additional information: -1

SQL>

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