We have oracle server version 8.0.5 & it is OLTP server & running in archive log mode. Yesterday we faced a serious problem of REDO file corruption while long running trans. ( Disk had hardware fault). After replacing HDD , we are unable to recover database up to the failure point though we had applied all archive logs.

Note: We have only two redo groups having two members.

Pls. suggest to recover up to last running trans.