Short description of system address spaces

[Peter Hunkeler]

While educating colloeagues new to z/OS, I promised to come up with a short decription of all the system address spaces are for. Before starting to write this down, does anyone happen to have such a list they are willing to share? Note that I'm not takling about a description of elements and features. There is a manual providing this list.




--
Peter Hunkeler

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[Mike Schwab]

JOBNAME
*MASTER*
ALLOCAS
ANTAS000
ANTMAIN
APPC
ASCH
ASCHINT
AUTOTSO
AUTOVIEW
AUTOVSSI
AXR
BPXAS *
BPXOINIT
CADASTRT
CAENF
CANSO2
CAOMS
CATALOG
CEA
CONSOLE
CRONH9
CSSMTP
DB2DBM1
DB2DDBM1
DB2DDIST
DB2DHNON
DB2DHTCB
DB2DIST
DB2DMSTR
DB2HNON
DB2HNON
DB2HTCB
DB2IPROC
DB2LPROC
DB2MSTR
DB2RPROC
DB2TDBM1
DB2TDIST
DB2TMSTR
DEVMAN
DHSCICS
DHSCICST
DMHCICSC
DMHCICST
DRS
DUMPSRV
EPAMOBM
EPAMOBV
ESCM
FINIMHT1
FINIMHT2
FINIMSH1
FINIMSH2
FINIMSH3
FINIMSH4
FINIMSH5
FINIMSH6
FTPDCMP1
FTPDMON1
FTPDSSL1
FTPUSERH
FTPUSSLH
GRS
GTZ
HGLINK
HIS
HSMAUD00
HSMRPT00
HWIBCPII
HZSPROC
ICSF
IDCDBTDF
IDCISS
IDCMFACB
IEFSCHAS
IMSCONH
IMSCONHT
IMSDBRC
IMSDBRCX
IMSDLI
IMSDLIX
INETDMNH
INIT *
IOSAS
IXGLOGR
JESXCF
JES2
JES2AUX
JES2MON
LLA
MHDMOBM
MHDMOBSW
MHDMOBV
NET
NETVIEW
NETVSSI
NETVTSO
NETVUNIX
OAM
OMROUTEH
OMVS
PAGENT
PCAUTH
PERCICID
PERCICIP
PERCICIT
PERMOBM
PERMOBT
PERMOBV
PERMOBWM
PERMOBWV
PORTMAP
RACF
RASP
RESOLVER
RMF
RMFGAT
RRS
SDBH
SDSF
SDSFAUX
SMF
SMS
SMSPDSE
SMSPDSE1
SNMPD
SNMPIOB
SNMPQE
SWSH
SYSBII
SYSB2
SYSHSMH
SYSLOGDH
TADZMON
TADZWEB
TCAS
TMONH
TMONHHUB
TMONHLFS
TNF
TRACE
TSDH
TWSH
USSTCPH
VLF
VMCF
VPS
VPSVSV
WLM
XCFAS
XOSFH
XOSFT
ZFS

Post by Peter Hunkeler
While educating colloeagues new to z/OS, I promised to come up with a short decription of all the system address spaces are for. Before starting to write this down, does anyone happen to have such a list they are willing to share? Note that I'm not takling about a description of elements and features. There is a manual providing this list.
--
Peter Hunkeler
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[Peter Hunkeler]

A bit too brief....


--
Peter Hunkeler


Von: Mike Schwab <***@GMAIL.COM> An: IBM-***@LISTSERV.UA.EDU Betreff: Re: Short description of system address spaces Datum: 01.07.16, 15:41


JOBNAME
*MASTER*
ALLOCAS
ANTAS000
ANTMAIN
APPC
ASCH
ASCHINT
AUTOTSO
AUTOVIEW
AUTOVSSI
AXR
BPXAS *
BPXOINIT
CADASTRT
CAENF
CANSO2
CAOMS
CATALOG
CEA
CONSOLE
CRONH9
CSSMTP
DB2DBM1
DB2DDBM1
DB2DDIST
DB2DHNON
DB2DHTCB
DB2DIST
DB2DMSTR
DB2HNON
DB2HNON
DB2HTCB
DB2IPROC
DB2LPROC
DB2MSTR
DB2RPROC
DB2TDBM1
DB2TDIST
DB2TMSTR
DEVMAN
DHSCICS
DHSCICST
DMHCICSC
DMHCICST
DRS
DUMPSRV
EPAMOBM
EPAMOBV
ESCM
FINIMHT1
FINIMHT2
FINIMSH1
FINIMSH2
FINIMSH3
FINIMSH4
FINIMSH5
FINIMSH6
FTPDCMP1
FTPDMON1
FTPDSSL1
FTPUSERH
FTPUSSLH
GRS
GTZ
HGLINK
HIS
HSMAUD00
HSMRPT00
HWIBCPII
HZSPROC
ICSF
IDCDBTDF
IDCISS
IDCMFACB
IEFSCHAS
IMSCONH
IMSCONHT
IMSDBRC
IMSDBRCX
IMSDLI
IMSDLIX
INETDMNH
INIT *
IOSAS
IXGLOGR
JESXCF
JES2
JES2AUX
JES2MON
LLA
MHDMOBM
MHDMOBSW
MHDMOBV
NET
NETVIEW
NETVSSI
NETVTSO
NETVUNIX
OAM
OMROUTEH
OMVS
PAGENT
PCAUTH
PERCICID
PERCICIP
PERCICIT
PERMOBM
PERMOBT
PERMOBV
PERMOBWM
PERMOBWV
PORTMAP
RACF
RASP
RESOLVER
RMF
RMFGAT
RRS
SDBH
SDSF
SDSFAUX
SMF
SMS
SMSPDSE
SMSPDSE1
SNMPD
SNMPIOB
SNMPQE
SWSH
SYSBII
SYSB2
SYSHSMH
SYSLOGDH
TADZMON
TADZWEB
TCAS
TMONH
TMONHHUB
TMONHLFS
TNF
TRACE
TSDH
TWSH
USSTCPH
VLF
VMCF
VPS
VPSVSV
WLM
XCFAS
XOSFH
XOSFT
ZFS

Post by Peter Hunkeler
While educating colloeagues new to z/OS, I promised to come up with a short decription of all the system address spaces are for. Before starting to write this down, does anyone happen to have such a list they are willing to share? Note that I'm not takling about a description of elements and features. There is a manual providing this list.

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[Walt Farrell]

Post by Peter Hunkeler
While educating colloeagues new to z/OS, I promised to come up with a short decription of all the system address spaces are for. Before
starting to write this down, does anyone happen to have such a list they are willing to share? Note that I'm not takling about a
description of elements and features. There is a manual providing this list.

I see that Mike responded with a long list of names, which includes (I believe) a mixture of system address spaces and started tasks. That led me to wonder whether you were using "system address spaces" as a technical term (meaning things like *MASTER* and SMF and DUMPSRV but not things like RMF, SDSF, RACF, etc.) or whether you really meant it as a generic term that would encompass normal started tasks, too.

[Peter Hunkeler]

Post by Walt Farrell
I see that Mike responded with a long list of names, which includes (I believe) a mixture of system address spaces and started tasks. That led me to wonder whether you were using "system address spaces" as a technical term (meaning things like *MASTER* and SMF and DUMPSRV but not things like RMF, SDSF, RACF, etc.) or whether you really meant it as a generic term that would encompass normal started tasks,

The former, Walt. And to make it clear, I do not need a mere list of names; I know then. I looking for a short description of those.


The z/OS Basics redbook that Mike pointed to is indeed a known good starting point. But it does not have a list of these adrdress spaces.


Peter Hunkeler



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[Lizette Koehler]

The list may contain products you do not run at your shop.

I am sure automation tools may have some documentation on your list.

But how you identify CICS, IMS, DB2, etc... STCs, may make the list different
for you and not correlate to other shops. It might be best to use your names
for those address spaces.


Most tasks have been documented in IBM manuals, and it just might take a little
digging to get the info you want.

I did a quick search on www.ibm.com and found this that might be helpful (search
words: IPL FLOW). About page 26 and 40 might be helpful.


http://www-01.ibm.com/support/docview.wss?uid=tss1prs3699&aid=1


If you have SDSF (or like product) you can list the ASIDs in HEX order. That is
the order the tasks are started.

Perhaps if you find a task you do not have documented, that might be easier to
answer.

I think there is a certain order at IPL time that system tasks are loaded.
After those are the ones the shop starts up to complete the IPL.



Lizette

-----Original Message-----
Behalf Of Peter Hunkeler
Sent: Sunday, July 03, 2016 10:33 PM
Subject: AW: Re: Short description of system address spaces

Post by Walt Farrell
I see that Mike responded with a long list of names, which includes (I
believe) a mixture of system address spaces and started tasks. That led
me to wonder whether you were using "system address spaces" as a
technical term (meaning things like *MASTER* and SMF and DUMPSRV but
not things like RMF, SDSF, RACF, etc.) or whether you really meant it
as a generic term that would encompass normal started tasks,

The former, Walt. And to make it clear, I do not need a mere list of names; I
know then. I looking for a short description of those.
The z/OS Basics redbook that Mike pointed to is indeed a known good starting
point. But it does not have a list of these adrdress spaces.
Peter Hunkeler

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[Lizette Koehler]

Also, check out this link (search words: order of tasks at ipl for ibm
mainframe )
http://www.ibmsystemsmag.com/mainframe/administrator/security/RACF,-Started-Task
s-and-System-Privileges/

The Tasks

System-related tasks are the minimum needed to keep your z/OS installation
ticking along. A fresh installation of a z/OS 1.4 SystemPac contains the
following IBM-provided started tasks:

ANTAS000 - Concurrent Copy Support
ANTMAIN - Concurrent Copy support


Lizette

-----Original Message-----
Behalf Of Lizette Koehler
Sent: Sunday, July 03, 2016 11:35 PM
Subject: Re: Short description of system address spaces
The list may contain products you do not run at your shop.
I am sure automation tools may have some documentation on your list.
But how you identify CICS, IMS, DB2, etc... STCs, may make the list different
for you and not correlate to other shops. It might be best to use your names
for those address spaces.
Most tasks have been documented in IBM manuals, and it just might take a
little digging to get the info you want.
I did a quick search on www.ibm.com and found this that might be helpful (search
words: IPL FLOW). About page 26 and 40 might be helpful.
http://www-01.ibm.com/support/docview.wss?uid=tss1prs3699&aid=1
If you have SDSF (or like product) you can list the ASIDs in HEX order. That
is the order the tasks are started.
Perhaps if you find a task you do not have documented, that might be easier to
answer.
I think there is a certain order at IPL time that system tasks are loaded.
After those are the ones the shop starts up to complete the IPL.
Lizette

-----Original Message-----
On Behalf Of Peter Hunkeler
Sent: Sunday, July 03, 2016 10:33 PM
Subject: AW: Re: Short description of system address spaces

Post by Walt Farrell
I see that Mike responded with a long list of names, which includes (I
believe) a mixture of system address spaces and started tasks. That
led me to wonder whether you were using "system address spaces" as a
technical term (meaning things like *MASTER* and SMF and DUMPSRV but
not things like RMF, SDSF, RACF, etc.) or whether you really meant it
as a generic term that would encompass normal started tasks,

The former, Walt. And to make it clear, I do not need a mere list of
names; I know then. I looking for a short description of those.
The z/OS Basics redbook that Mike pointed to is indeed a known good
starting point. But it does not have a list of these adrdress spaces.
Peter Hunkeler

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[Boris Lenz]

See "ABCs of IBM z/OS System Programming Volume 1", page 307 (323)

http://ibm.co/29l4I7T

Regards,
Boris

Post by Peter Hunkeler
The z/OS Basics redbook that Mike pointed to is indeed a known good
starting point. But it does not have a list of these adrdress spaces.
Peter Hunkeler

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[Mike Schwab]

http://www.redbooks.ibm.com/abstracts/sg246366.html?Open
This would be a good starting point for them.

Post by Peter Hunkeler
While educating colloeagues new to z/OS, I promised to come up with a short decription of all the system address spaces are for. Before starting to write this down, does anyone happen to have such a list they are willing to share? Note that I'm not takling about a description of elements and features. There is a manual providing this list.
--
Peter Hunkeler
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[Andreas Steinberg]

Hi there,
in some old libs I found some material that I built some years ago. To be continued.
HTH,
Andy

Name Description
*MASTER Build SQA *LPA CSA; Handling of Address spaces SYS1.LOGREC; console msg buffering
ALLOCAS Allocation Address Space
ANTAS000 XRC eXtended Remote Copy
ANTMAIN DFSMS support for concurrent/extended remote copy
APPCDR APPC/MVS component
ASCHDR APPC/MVS scheduling
AXR SystemREXX
BPXOINIT z/OS UNIX System Services
CATALOG Access to catalogs
CEA Common Event Agent
CONSOLE handling of operator command entry and systems response
DEVMAN Device Manager
DLF Data Lookaside Facility
DUMPSRV Dump Services für SVC dumps
EPWFFST First Failure Support Technology (network)
GRS Global Resource Serialization (data set level)
IEFSCHAS Scheduler address space
IOSAS Input/Output Supervisor: System Interface to I/O devices
IXGLOGR System Logger
JESXCF Communication between JES2 systems in a MAS
JES2 Job entry subsystem
JES2AUX JES2 additional support
JES2MON JES2 Monitor
LLA Library Lookaside
OAM IBM 3494 and IBM 3495 Tape Library Data Servers
OMVS z/OS UNIX System Services
OTIS OAM thread isolation support
PCAUTH Program Call Authorization
RACF Security Server
RASP Real Storage Manager System Adress Space
RRS Resource Recovery Services
SMF System Management Facility
SMS Storage Management SubSystem
SMSPDSE handling of PDSE dataset
SMXC DFSMS: control member access in PDSE
SYSBMAS owner of dataspaces and hiperspaces for PDSE dir/mem
TFS Temporary FileSystem
TNF Termination Notification Facility
TRACE detailed information on processors, SSCH, SVC, Program Check
VLF Virtual Lookaside Facility
VMCF Virtual Machine Communication Facility
WLM Workload Manager
XCFAS Cross System Coupling Facility Adress Space
ZFS z/OS FileSystem

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[Peter Hunkeler]

Thanks. What I imagine is a short descriptive paragraph (two to three sentences) for each AS. I already started with this. I will happily share the doc with anyone interested once its finished (make take a while, though).


--
Peter Hunkeler




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