Transaction Logs not automatically deleted when performing full backup

 

Let me give you first the background of our system:  

 

-         1 Exchange 2000 Server installed in Windows 2000

-         PIII 1GHz dual processor

-         1GB Memory

-         3 Storage Groups

-         2 SCSI disks divided into 3 partitions 

o       Drive C +IBM- System, 10 GB (mirrored)

o       Drive E +IBM- Where +ACo-.edb and +ACo-.stm are located (25 GB)

o       Drive F +IBM- Where the transaction logs are located (25 GB)

-         3 storage groups

-         3 information stores in every storage group

-         Drive E with 6 GB free space

-         Drive f with 8 GB free space

-         More or less 300 users with email

-         About 100 Distribution groups

 

 

My questions are:

 

1.      Some users are experiencing slow connection when accessing their 
mailbox (they+IBk-re getting requesting data +ICY-).  Before, the free space of 
drive E was 1 GB but when I defragmented the information stores the free space 
became 6 GB, but the connection is still slow although it+IBk-s now faster 
compared when I haven+IBk-t run defragmentation.  I noticed when I checked 
Windows task manager that STORE.EXE is actually eating up 800 MB of memory.  
Can this be the cause of the problem?  Are there any ways to optimize the 
memory?  What else can I do to solve the problem in slow connection?
2.      I+IBk-ve read in some articles that full backup will automatically 
delete old transaction logs.  I+IBk-ve scheduled an online full backup of all 
the information stores.  I noticed that old transaction logs of 2 out of the 3 
storage groups are not deleted automatically.  As a temporary remedy, I 
dismount the affected information stores and manually delete the logs.  But 
this arrangement is impractical and waste a lot of my time.  How can I solve 
this problem? 

 

Thank you+ACE-

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