Archivelog. Вроде всё работает но непонятен лог

Pavel Tsukanov
Дата: 07.06.2006 08:36:06
Перевел сервер в Archivelog всё работает, но при старте непонятно содержимое лога. Вот кусок.
ORACLE V9.2.0.7.0 - Production vsnsta=0
vsnsql=12 vsnxtr=3
Windows 2000 Version 5.2 , CPU type 586
................................
ARCH: STARTING ARCH PROCESSES
ARC0 started with pid=12
ARC1 started with pid=13
Wed Jun 07 07:08:29 2006
ARC0: Archival started
Wed Jun 07 07:08:29 2006
ARCH: STARTING ARCH PROCESSES COMPLETE
Wed Jun 07 07:08:29 2006
ARC1: Archival started
Wed Jun 07 07:08:29 2006
ARC0: Becoming the 'no FAL' ARCH
Wed Jun 07 07:08:29 2006
alter database mount exclusive
Wed Jun 07 07:08:29 2006
ARC1: Becoming the heartbeat ARCH
Wed Jun 07 07:08:29 2006
ARC0: Becoming the 'no FAL' ARCHARC0: Thread not mounted
Wed Jun 07 07:08:29 2006
ARC1: Becoming the heartbeat ARCHARC1: Thread not mounted
Wed Jun 07 07:08:34 2006
Successful mount of redo thread 1, with mount id 2113065197

непонятен смысл
Wed Jun 07 07:08:29 2006
ARC0: Becoming the 'no FAL' ARCHARC0: Thread not mounted
при этом создаётся лог oraoper_arc0_3524.trc (для ARC1 аналогично) с совершенно неинформативным содержанием
Dump file d:\oracle\admin\oraoper\bdump\oraoper_arc0_3524.trc
Wed Jun 07 07:08:29 2006
ORACLE V9.2.0.7.0 - Production vsnsta=0
vsnsql=12 vsnxtr=3
Windows 2000 Version 5.2 , CPU type 586
Oracle9i Enterprise Edition Release 9.2.0.7.0 - Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.7.0 - Production
Windows 2000 Version 5.2 , CPU type 586
Instance name: oraoper

Redo thread mounted by this instance: 0 <none>

Oracle process number: 12

Windows thread id: 3524, image: ORACLE.EXE


*** SESSION ID:(9.1) 2006-06-07 07:08:29.637

Что это?
Вячеслав Любомудров
Дата: 07.06.2006 08:41:41