Problem GFS arserve 11.5 Linux

[marinos2k]

Sorry for english , i am french.
I have a probleme with GFS on a server linux.
I'm using the built-in Arcserve rotation for 4 daily differentiel and a full backup on Friday.
Full backup on friday is OK.
I change tape monday .
But the differentiel of monday is marqued complete/full in the scheduler/planning.
If i force differentiel in planning : backup is OK but the differentiel of tuesday is also marqued complete/full in the scheduler/planning.
arcserve will not do a differential backup the next day, rather another full backup.
Can i do a a differential backup on system linux.
Can you help me ?

Thanks

 

[davidmichel]

a LINUX head friend said all they can imagine is that the job is just setup wrong.