ORA-16038

20:16:45 SYS@ BJDB>alter database open;
alter database open
*
ERROR at line 1:
ORA-16038: log 2 sequence# 211 cannot be archived
ORA-19502: write error on file "", block number  (block size=)
ORA-00312: online log 2 thread 1: ‘/dsk1/oradata/bjdb/redo02a.log‘
ORA-00312: online log 2 thread 1: ‘/dsk2/oradata/bjdb/redo02b.log‘

bjdb-> df -h
Filesystem                    Size  Used Avail Use% Mounted on
/dev/sda1                      26G  6.5G   18G  28% /
tmpfs                         3.0G  524M  2.5G  18% /dev/shm
/dev/mapper/datavg-lv_data1 12G  6.6G  4.7G  59% /u01
/dev/mapper/datavg-lv_dsk1  5.0G  499M  4.2G  11% /dsk1
/dev/mapper/datavg-lv_dsk2  5.0G  489M  4.2G  11% /dsk2
/dev/mapper/datavg-lv_dsk3  5.0G  139M  4.6G   3% /dsk3
/dev/mapper/datavg-lv_dsk4  2.6G  2.5G   18M 100% /dsk4
bjdb->