половина исправилась. теперь все выглядит так:

SVRMGR> connect internal/qqq@vel;
Connected.
SVRMGR> startup mount;
ORACLE instance started.
Total System Global Area 1041454044 bytes
Fixed Size 70620 bytes
Variable Size 549785600 bytes
Database Buffers 491520000 bytes
Redo Buffers 77824 bytes
Database mounted.
SVRMGR> recover database until cancel;
ORA-00279: change 282530336 generated at 06/25/2010 21:26:10 needed for thread 1

ORA-00289: suggestion : C:\ORACLE\ORA81\RDBMS\ARC00001.001
ORA-00280: change 282530336 for thread 1 is in sequence #1
Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
d:\oracle\oradata\veles\redo03.log
Log applied.
Media recovery complete.
SVRMGR> alter database open resetlogs;
Statement processed.
SVRMGR> shutdown;
ORA-03113: end-of-file on communication channel