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ORA-00206: error in writing (block 42, # blocks 1) of control file

DBA notified me of this error

Wed Nov 25 13:46:11 BRST 2015
Errors in file /usr/software/oracle/admin/orarvt015/bdump/rvt015_lgwr_2388.trc:
ORA-00206: error in writing (block 42, # blocks 1) of control file
ORA-00202: control file: ‘/usr/oradata/orarvt015/control2/control02.ctl’
ORA-27061: waiting for async I/Os failed
Linux-x86_64 Error: 5: Input/output error

Umount the filesystem

root@linux:~ # umount /usr/oradata/orarvt015

I ran fsck

root@linux:~ # fsck -t ext3 /dev/mapper/oradatavg-dat.orarvt015new
fsck 1.38 (30-Jun-2005)
e2fsck 1.38 (30-Jun-2005)
/dev/mapper/oradatavg-dat.orarvt015new: recovering journal
/dev/mapper/oradatavg-dat.orarvt015new: clean, 137/209715200 files, 318872229/419428352 blocks

Then I mounted the filesystem again

root@linux:~ # mount /usr/oradata/orarvt015

Showing filesystem size

root@linux:~ # df -h /usr/oradata/orarvt015
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/oradatavg-dat.orarvt015new
1.6T 1.2T 304G 80% /usr/oradata/orarvt015

It solved the problem

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