Re: Long running backups to a 3590-B11 -- MIDRANGE-L

You failed to say what your %used was prior to the upgrade.  
We have a 730-2B6F running at 80% full of 100GB.  (Will be 
upgraded this weekend.)  We also use a 3590.  We are running 
on V4R4.  Here are historical time shots:
System    Date of     Length of  Length of  Length of  Length of  Length of  
Length of  Length of   Total 
Name      Downtime    RCLDLO     RGZDLO     RCLSTG     SAVSYS     NONSYS     
SAVDLO     SAV of IFS  Length
GDIHQ     2000-02-11        6          2       6:14         12       2:37       
   2           5      9:20
GDIHQ     1999-12-17        8                  6:43         11       2:28       
   1           5      9:38
GDIHQ     1999-10-22        7                  4:21          6       1:33       
   1           3      6:12
GDIHQ     1999-08-27        3                  3:57          7       1:34       
   1           4      5:48
GDIHQ     1999-06-25        3                  2:32          6       1:11       
   1           3      3:58
GDIHQ     1999-05-07        3                  1:52          5         51       
   2           2      2:56
GDIHQ     1999-03-12        3                  1:06          3         42       
   2           2      1:60
GDIHQ     1999-01-15                           1:11          4         43       
   2           2      2:02
GDIHQ     1998-11-13       11                  3:06         51       1:55       
   2           6      6:13
GDIHQ     1998-09-18       10                  2:37         50       1:37       
   2           5      5:24
The last several months we have been consolidating several AS/400's 
onto this one machine.
The 3590 is a wonderful tape drive.  And if you have the 400 to 
drive it, it's even better.  Based on this last statement, and on 
the time to do a SAVSYS, can you tell when we upgraded our processor?  
By the way, I just did a DSPSYSSTS.  Our CPU is running at 3.5% used.
We will be upgrading from a 4 way to an 8 way processor this weekend.  
God, I love this place!
Oh, and the last save before we upgraded our processor was also done 
at V4R4.  So it wasn't the OS upgrade that got us the speed, it was
the processor.  Our previous processor was a 510.





BullJ1@Midas-Kapiti.com on 04/06/2000 08:22:49 AM
Please respond to MIDRANGE-L@midrange.com@Internet
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Subject:        Long running backups to a 3590-B11

Has anyone else had a similar problem -

I have a system with 102GB of DASD, running at about 80% used.  It has
regularly taken between 11 to 13 hours to do a full system backup each
weekend (SAVSYS + NONSYS + SAVDLO + SAV (ifs)).  All of a sudden, the
backups started taking 15/16 hours.  I have recently upgraded to v4r3 (from
v4r1), initiallly the backups jumped to 28 hours!!  IBM recommended we apply
additional PTFs, a series of group-ptf packages, this cut the 28 to 18 but
this is still very painful to system availablility, as you can imagine.

I am liaising with IBM and with the CE; I've stopped saving access paths,
I'm getting staff to delete old/redundant data, what more can I do?  Has
anyone had similar experiences or have some advice ? 

Kind regards,
Jeff Bull.
Senior AS/400 Support Consultant (AS/400)
Midas Kapiti International Ltd

Tel:    44 (0) 175 370 8224
Fax:    44 (0) 175 357 0233
Email:  Jeff.Bull@Midas-Kapiti.Com  << == Replies to 
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