backup to samba network drive fails the second time but not the first !

[Massimiliano Campagnoli]

Can you explain me what is going on here ?

J:\ is a network drive located on a samba server. DB2 is V7.2 fixpak
14.

[C:\]net use j: \\linuxserver\backupdb2
The command completed successfully.

[C:\]DB2 BACKUP DATABASE SAMPLE USER MAXI USING 110ELODE TO J:\

Backup successful. The timestamp for this backup image is :
20060904185718
[C:\]DB2 BACKUP DATABASE SAMPLE USER MAXI USING 110ELODE TO J:\
SQL2036N The path for the file or device "J:\" is not valid.

[C:\]type c:\sqllib\db2\db2diag.log
2006-09-04-18.57.18.000000 Instance:DB2 Node:000
PID:388(DB2SYSC.EXE) TID:6 Appid:*LOCAL.DB2.060904165717
database_utilities sqlubcka Probe:0 Database:SAMPLE

Starting a full database backup.

2006-09-04-18.57.42.080000 Instance:DB2 Node:000
PID:388(DB2SYSC.EXE) TID:6 Appid:*LOCAL.DB2.060904165717
database_utilities sqlubcka Probe:0 Database:SAMPLE

Backup Complete.

2006-09-04-18.57.45.780000 Instance:DB2 Node:000
PID:388(DB2SYSC.EXE) TID:6 Appid:*LOCAL.DB2.060904165717
database_utilities sqlubcka Probe:0 Database:SAMPLE

Starting a full database backup.

2006-09-04-18.57.45.980000 Instance:DB2 Node:000
PID:388(DB2SYSC.EXE) TID:14 Appid:none
oper_system_services sqlomkdirp Probe:37

b700 0000 ....
2006-09-04-18.57.46.240000 Instance:DB2 Node:000
PID:388(DB2SYSC.EXE) TID:14 Appid:none
database_utilities sqluCreateBackupFile Probe:20

Media controller -- dos path error. path = J:\SAMPLE.0

2006-09-04-18.57.46.320000 Instance:DB2 Node:000
PID:388(DB2SYSC.EXE) TID:14 Appid:none
database_utilities sqluMCInitBackupMC Probe:80

Media controller -- device initialization warning

2006-09-04-18.57.46.320007 Instance:DB2 Node:000
PID:388(DB2SYSC.EXE) TID:6 Appid:*LOCAL.DB2.060904165717
database_utilities sqlubMWResponse Probe:5 Database:SAMPLE

DiagData
0cf8 ffff 4a3a 5c00 ....J:\.
2006-09-04-18.57.46.330000 Instance:DB2 Node:000
PID:388(DB2SYSC.EXE) TID:6 Appid:*LOCAL.DB2.060904165717
database_utilities sqlubMWResponse Probe:10 Database:SAMPLE

DiagData
0cf8 ffff ....
2006-09-04-18.57.46.400000 Instance:DB2 Node:000
PID:388(DB2SYSC.EXE) TID:6 Appid:*LOCAL.DB2.060904165717
database_utilities sqlubcka Probe:0 Database:SAMPLE

Backup terminated.