Thank you all for your suggestions and insights regarding the subject of
HSM CPU consumption.
I have now many things to consider.
Best regards and good health,
Arye.
On Tue, Apr 28, 2020 at 9:38 PM Glenn Wilcock wrote:
> Hi Lizette,
>
> It allows different WLM settings. For example, a MAIN can
Some scrutiny of the DFHSM activity logs to see if the same old datasets
are failing to be processed each time, may not go amiss. That sort of
stuff can build up over time, and can accumulate to become a considerable
overhead every time automatic functions run.
On Tue, 28 Apr 2020 at 06:50, Bria
Hi Lizette,
It allows different WLM settings. For example, a MAIN can do RECALLS and have
a higher WLM goal than an AUX host that is assigned to run a migration window
with a lower goal. I've never actually worked with a client to do this...
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Subject: Re: DFSMShsm high CPU consumption [EXTERNAL]
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From: Glenn Wilcock
To: IBM-MAIN@LISTSERV.UA.EDU
Date: 28/04/2020 15:22
Subject: Re: DFSMShsm high CPU consumption [EXTERNAL]
Sent by:IBM Mainframe Discussion List
DFS
cock [wilc...@us.ibm.com]
Sent: Tuesday, April 28, 2020 10:21 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: DFSMShsm high CPU consumption [EXTERNAL]
DFSMShsm has made many advances over the years to become more efficient. I
teamed up with Frank Kyne of Watson & Walker to write an article on th
DFSMShsm has made many advances over the years to become more efficient. I
teamed up with Frank Kyne of Watson & Walker to write an article on this topic
in their newsletter. I'm also more than happy to give a WebEx on this topic
with this client, and any other who is interested. It's a popul
I agree, HSM is a bit of a hog, so it shouldn't be set to run above your loved
ones. It's more important than batch or TSO, but not CICS,
DB/2|ADASBAS|ORACLE, TCP, VTAM or anybody else important.
STCLOW is a good choice so long as everything "important" is above it.
Brian
nt: Monday, April 27, 2020 4:27 AM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: DFSMShsm high CPU consumption
>
> Hello forumers,
> IHAC complaining about high CPU consumption by DFSMShsm.
> Customer has no HSM experts and saying that while running HSM backups,
> Recycle, an
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Feller, Paul
Sent: Monday, April 27, 2020 8:32 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: DFSMShsm high CPU consumption [EXTERNAL]
I don't recall how you set it up in HSM, but one thing to look at is how many
tasks w
nning during primary space
management.
Thanks..
Paul Feller
AGT Mainframe Technical Support
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Arye Shemer
Sent: Monday, April 27, 2020 6:27 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: DFSMShsm high CPU consumption [EXTERNAL]
Check your compression settings.
https://www.ibm.com/developerworks/community/blogs/e0c474f8-3aad-4f01-8bca-f2c12b576ac9/entry/November_20_2015_at_9_30_21_AM?lang=en
On Mon, Apr 27, 2020 at 11:27 AM Arye Shemer wrote:
>
> Hello forumers,
> IHAC complaining about high CPU consumption by DFSMShsm.
Hello forumers,
IHAC complaining about high CPU consumption by DFSMShsm.
Customer has no HSM experts and saying that while running HSM backups,
Recycle, and several other HSM activities the CPU consumption rising to
100%.
This high CPU consumption interfere with other higher importance online
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