Commented by: @hvlad

Please, confirm

Commented by: @pavel-zotov

> Vlad Khorsun added a comment - 08/Oct/15 07:42 AM
> Please, confirm

Window #⁠1 (when FB service was stopped)

C:\FBTESTING\qa\fbt-repo\tmp>C:\1INSTALL\FIREBIRD\fb30sC\isql.exe core_4938.fdb
Database: core_4938.fdb, User: SYSDBA
SQL> set list on;
SQL> select * from mon$attachments;

MON$ATTACHMENT_ID 40
MON$SERVER_PID 1996
MON$STATE 1
MON$ATTACHMENT_NAME C:\FBTESTING\QA\FBT-REPO\TMP\CORE_4938.FDB
MON$USER SYSDBA
MON$ROLE NONE
MON$REMOTE_PROTOCOL <null>
MON$REMOTE_ADDRESS <null>
MON$REMOTE_PID <null>
MON$CHARACTER_SET_ID 0
MON$TIMESTAMP 2015-10-11 10:05:11.7030
MON$GARBAGE_COLLECTION 1
MON$REMOTE_PROCESS <null>
MON$STAT_ID 2
MON$CLIENT_VERSION <null>
MON$REMOTE_VERSION <null>
MON$REMOTE_HOST <null>
MON$REMOTE_OS_USER <null>
MON$AUTH_METHOD User name in DPB
MON$SYSTEM_FLAG 0

Window #⁠2

run-1:
C:\1INSTALL\FIREBIRD\fb30sS\fbsvcmgr service_mgr action_db_stats sts_data_pages sts_idx_pages sts_record_versions dbname C:\FBTESTING\qa\fbt-repo\tmp\core_4938.fdb

run-2:
C:\1INSTALL\FIREBIRD\fb30sS\fbsvcmgr service_mgr action_properties prp_sweep_interval 222222 dbname C:\FBTESTING\qa\fbt-repo\tmp\core_4938.fdb

run-3:
C:\1INSTALL\FIREBIRD\fb30sS\fbsvcmgr service_mgr action_properties prp_write_mode prp_wm_async dbname C:\FBTESTING\qa\fbt-repo\tmp\core_4938.fdb

Result for all three commands:

I/O error during "CreateFile (open)" operation for file "C:\FBTESTING\QA\FBT-REPO\TMP\CORE_4938.FDB"
-Error while trying to open file
-The process cannot access the file because it is being used by another process

Commented by: @hvlad

Pavel,

seems you do not understand what are you doing.

Commented by: @pavel-zotov

Yes, sorry: could not recall what I've tested here initially :-[
Checked again, single attachment for each run1...run3 (no ISQL, of course) - all OK.