ADSM-L

Re: File scan takes ages during backup

2003-03-21 10:00:29
Subject: Re: File scan takes ages during backup
From: "Loon, E.J. van - SPLXM" <Eric-van.Loon AT KLM DOT COM>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Fri, 21 Mar 2003 15:54:59 +0100
Hi Niklas!
I will ask the user for both figures. I already asked him whether there is a
lot of paging during backup, but I haven't received a reply yet.
I'll keep you all posted!
Kindest regards,
Eric van Loon
KLM Royal Dutch Airlines


-----Original Message-----
From: Niklas Lundstrom [mailto:niklas.lundstrom AT FORENINGSSPARBANKEN DOT SE]
Sent: Friday, March 21, 2003 15:35
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: File scan takes ages during backup


If you look at the time:
21-03-2003 11:25:41 ANS1898I ***** Processed   593.000 files *****
21-03-2003 11:41:45 ANS1898I ***** Processed   599.000 files *****

6000 files in 15minutes...very slow indeed

How high is CPU usage on the machine, how much memory does dsm process take?


-----Original Message-----
From: Large, Matthew [mailto:Matthew.Large AT LLOYDSTSB.CO DOT UK]
Sent: den 21 mars 2003 15:00
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: File scan takes ages during backup


>>21-03-2003 11:41:45 ANS1898I ***** Processed   599.000 files *****<<

Are you sure that figure isn't nearer six HUNDRED thousand? (600,000 in
british money)

Like bruce said, you might be better off with Journal Based backups.

Matthew Large
TSM Infrastructure Engineer
Lavington Street
Int: 7430 4995
Ext: +44 207 902 4995


-----Original Message-----
From: Loon, E.J. van - SPLXM [mailto:Eric-van.Loon AT KLM DOT COM]
Sent: 21 March 2003 12:42
To: ADSM-L AT VM.MARIST DOT EDU
Subject: File scan takes ages during backup


Hi *SM-ers!
TSM server 4.2.2.0, TSM client 4.2.2.0 on Windows NT SP4.
I have got a strange problem with one of my Windows NT clients. The backup
cycle runs for almost 24 hours. The thing is that the actual backup runs
fine:

21-03-2003 06:15:17 Directory-->  0
\\zspln59848\f$\Data\Dep_NP\B777_flight_technical\Performance\Operation
Manual\Concept\Performance Inflight [Sent]
21-03-2003 06:15:17 Normal File-->  3.852.288
\\zspln59848\f$\Data\Dep_NP\B777_flight_technical\Performance\Operation
Manual\Concept\Performance Dispatch\PD-200IGW-GE90-94B-JAA-Sec11
PP2.backup.fm [Sent]
21-03-2003 06:15:19 Normal File--> 3.852.288
\\zspln59848\f$\Data\Dep_NP\B777_flight_technical\Performance\Operation
Manual\Concept\Performance Dispatch\PD-200IGW-GE90-94B-JAA-Sec11 PP2.fm
[Sent] 21-03-2003 06:15:20 Normal File--> 231
\\zspln59848\f$\Data\Dep_NP\B777_flight_technical\Performance\Operation
Manual\Concept\Performance Dispatch\PD-200IGW-GE90-94B-JAA-Sec11 PP2.log
[Sent]

You can see that backing op an almost 4 Mb. file takes about 2 seconds,
which is ok. But the file scanning runs at an excruciating low speed:

21-03-2003 11:25:41 ANS1898I ***** Processed   593.000 files *****
21-03-2003 11:27:06 ANS1898I ***** Processed   593.500 files *****
21-03-2003 11:28:24 ANS1898I ***** Processed   594.000 files *****
21-03-2003 11:29:39 ANS1898I ***** Processed   594.500 files *****
21-03-2003 11:30:43 ANS1898I ***** Processed   595.000 files *****
21-03-2003 11:31:53 ANS1898I ***** Processed   595.500 files *****
21-03-2003 11:33:12 ANS1898I ***** Processed   596.000 files *****
21-03-2003 11:35:00 ANS1898I ***** Processed   596.500 files *****
21-03-2003 11:36:41 ANS1898I ***** Processed   597.000 files *****
21-03-2003 11:37:40 ANS1898I ***** Processed   597.500 files *****
21-03-2003 11:40:00 ANS1898I ***** Processed   598.000 files *****
21-03-2003 11:40:59 ANS1898I ***** Processed   598.500 files *****
21-03-2003 11:41:45 ANS1898I ***** Processed   599.000 files *****

Scanning 6000 files takes 16 minutes!!!
Has anybody seen this before? I really don't know how to 'debug' this...
Thanks in advance for any reply!!! Kindest regards, Eric van Loon KLM Royal
Dutch Airlines


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