Re: Displaying Quiesced zFS files

2008-06-25 Thread Patrick Falcone
I agree and out of pure morbid curiosity, at this point, did you happen to 
issue a 'D GRS,C'? And if so did Latch Number 87 come back, a quiesce latch for 
a zFS file system. Just curious if other zFS support may be lacking..

Mark Zelden [EMAIL PROTECTED] wrote:   On Tue, 24 Jun 2008 09:41:13 -0500, 
Ramiro Camposagrado
wrote:


The following section was added to the DFS/SMB section of the PSP buckets
for z/OS 1.4, 1.5, 1.6, and 1.7, as a result of a PMR that I have opened with
zFS development in regards to this issue. I guess they are still working
on the
fix.

06/04/11 If a zfs filesystem is quiesced



04/11/2006? Over 2 years and still no relief? What about the 1.8 and 1.9 
buckets (I didn't check)? Considering the push to zFS, this is really bad. 
Jeers for IBM on this one...

Mark
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Re: Displaying Quiesced zFS files

2008-06-25 Thread Mark Zelden
On Wed, 25 Jun 2008 05:55:16 -0700, Patrick Falcone
[EMAIL PROTECTED] wrote:

I agree and out of pure morbid curiosity, at this point, did you happen to
issue a 'D GRS,C'? And if so did Latch Number 87 come back, a quiesce latch
for a zFS file system. Just curious if other zFS support may be lacking..


D GRS,C  
ISG343I 09.15.40 GRS STATUS 670  
NO ENQ RESOURCE CONTENTION EXISTS
NO LATCH CONTENTION EXISTS   

D GRS,L,JOBNAME=ZFS 
ISG343I 09.15.53 GRS STATUS 672 
LATCH DISPLAY FOR JOB ZFS   
NO LATCHES OWNED OR WAITED UPON 

D GRS,AN,WAITER 
ISG349I 09.20.55 GRS ANALYSIS 715   
LONG WAITER ANALYSIS:  ENTIRE SYSPLEX   
THERE ARE NO WAITING TASKS MATCHING THE INPUT SPECIFICATION 

D GRS,AN,BLOCKER
ISG349I 09.21.03 GRS ANALYSIS 718   
LONG BLOCKER ANALYSIS:  ENTIRE SYSPLEX  
THERE ARE NO BLOCKING TASKS MATCHING THE INPUT SPECIFICATION

D GRS,AN,DEPEND
ISG349I 09.21.09 GRS ANALYSIS 734  
DEPENDENCY ANALYSIS:  ENTIRE SYSPLEX   
THERE ARE NO WAITING TASKS MATCHING THE INPUT SPECIFICATION


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Re: Displaying Quiesced zFS files

2008-06-25 Thread Patrick Falcone
Thanks Mark. You gotta wonder what happened to this support. It had to be 
working at some point, you would think. I wonder where it dropped.
   
  I'm laughing and I'm not gonna ask if there are any more commands that were 
issued or need to be for that matter. I promise!

Mark Zelden [EMAIL PROTECTED] wrote: 
  On Wed, 25 Jun 2008 05:55:16 -0700, Patrick Falcone

wrote:

I agree and out of pure morbid curiosity, at this point, did you happen to
issue a 'D GRS,C'? And if so did Latch Number 87 come back, a quiesce latch
for a zFS file system. Just curious if other zFS support may be lacking..


D GRS,C 
ISG343I 09.15.40 GRS STATUS 670 
NO ENQ RESOURCE CONTENTION EXISTS
NO LATCH CONTENTION EXISTS 

D GRS,L,JOBNAME=ZFS 
ISG343I 09.15.53 GRS STATUS 672 
LATCH DISPLAY FOR JOB ZFS 
NO LATCHES OWNED OR WAITED UPON 

D GRS,AN,WAITER 
ISG349I 09.20.55 GRS ANALYSIS 715 
LONG WAITER ANALYSIS: ENTIRE SYSPLEX 
THERE ARE NO WAITING TASKS MATCHING THE INPUT SPECIFICATION 

D GRS,AN,BLOCKER 
ISG349I 09.21.03 GRS ANALYSIS 718 
LONG BLOCKER ANALYSIS: ENTIRE SYSPLEX 
THERE ARE NO BLOCKING TASKS MATCHING THE INPUT SPECIFICATION

D GRS,AN,DEPEND 
ISG349I 09.21.09 GRS ANALYSIS 734 
DEPENDENCY ANALYSIS: ENTIRE SYSPLEX 
THERE ARE NO WAITING TASKS MATCHING THE INPUT SPECIFICATION


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Re: Displaying Quiesced zFS files

2008-06-25 Thread Mark Zelden
On Wed, 25 Jun 2008 08:11:17 -0700, Patrick Falcone
[EMAIL PROTECTED] wrote:

Thanks Mark. You gotta wonder what happened to this support. It had to be
working at some point, you would think. I wonder where it dropped.


It worked for HFS, never for zFS apparently (what was IBM thinking?).

And since there is no open APAR (that I can find) that references the 
INCOROUT for D OMVS,F,E, does that mean a requirement is needed
to fix what is BAD.


  I'm laughing and I'm not gonna ask if there are any more commands that
were issued or need to be for that matter. I promise!


You might not ask... but I was still trying.  And I found one that should do the
trick!   D OMVS,W   (D OMVS,WAITERS)

D OMVS,W  
BPXO063I 10.30.08 DISPLAY OMVS 136
OMVS 000F ACTIVE OMVS=(M8)
MOUNT LATCH ACTIVITY: NONE
FILE SYSTEM LATCH ACTIVITY: NONE  
  
OTHER WAITING THREADS:
USER   ASID TCB   PID   AGE   
--
  ZELDENM  00B4  0098959833554812 00.00.19
 IS DOING: ZFS OpenCall / Osi Wait
 FILE: ixm   (20,5398)
 FILE SYSTEM: SYS1.OMVS.RESM81.XML.ZFS


It doesn't tell you the file system is quiesced, but it is a single operator 
command that I can communicate to the console operators, my team,
and the WebSphere team that should give enough of a hint that a 
quiesced zFS could be the problem.   Easy enough to ask an operator
to do over the phone.  Explaining zfsadm would be more difficult.  I'm
not sure the operators even have OMVS segments in some environments.

Mark
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Re: Displaying Quiesced zFS files

2008-06-25 Thread Bruno Sugliani
On Wed, 25 Jun 2008 11:03:07 -0500, Mark Zelden [EMAIL PROTECTED]
wrote:

You might not ask... but I was still trying.  And I found one that should
do the
trick!   D OMVS,W   (D OMVS,WAITERS)

D OMVS,W
BPXO063I 10.30.08 DISPLAY OMVS 136
OMVS 000F ACTIVE OMVS=(M8)
MOUNT LATCH ACTIVITY: NONE
FILE SYSTEM LATCH ACTIVITY: NONE

OTHER WAITING THREADS:
USER   ASID TCB   PID   AGE
--
  ZELDENM  00B4  0098959833554812 00.00.19
 IS DOING: ZFS OpenCall / Osi Wait
 FILE: ixm   (20,5398)
 FILE SYSTEM: SYS1.OMVS.RESM81.XML.ZFS


It doesn't tell you the file system is quiesced, but it is a single operator
command that I can communicate to the console operators, my team,
and the WebSphere team that should give enough of a hint that a
quiesced zFS could be the problem.   Easy enough to ask an operator
to do over the phone.  Explaining zfsadm would be more difficult.  I'm
not sure the operators even have OMVS segments in some environments.

Hey that's neat !
Thanks 
Bruno Sugliani 
zxnetconsult(at)free(dot)fr

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Re: Displaying Quiesced zFS files

2008-06-25 Thread Ed Finnell
 
In a message dated 6/25/2008 11:16:09 A.M. Central Daylight Time,  
[EMAIL PROTECTED] writes:

You might not ask... but I was still trying.  And I found one that  should do 
the
trick!   D OMVS,W   (D  OMVS,WAITERS)



Wonder if it could be opened as 'Integrity  APAR'? 








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Re: Displaying Quiesced zFS files

2008-06-24 Thread Mark Zelden
On Mon, 23 Jun 2008 15:12:50 -0700, Patrick Falcone
[EMAIL PROTECTED] wrote:

Hi Mark,

  I'm not sure if this has been mentioned/considered but did you try 'D
OMVS,F'?

Yes.  Mentioned in my OP (I wrote no OMVS display command, nor any MODIFY 
ZFS command ).

Here is a maintenance zFS I just quiesced:

ZFS20 ACTIVE  RDWR  06/15/2008  L=32
  NAME=SYS1.OMVS.RESM81.XML.ZFS 01.20.14Q=0 
  PATH=/servz18/usr/lpp/ixm 
  AGGREGATE NAME=SYS1.OMVS.RESM81.XML.ZFS   


Here is one that is not:

ZFS21 ACTIVE  RDWR  06/15/2008  L=33
  NAME=SYS1.OMVS.RESM81.PERLZFS 01.20.14Q=0 
  PATH=/servz18/usr/lpp/perl
  AGGREGATE NAME=SYS1.OMVS.RESM81.PERLZFS   


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Mark Zelden [EMAIL PROTECTED] wrote:

  Much to my dismay, there is no operator
command I can find that shows a quiesced ZFS. No OMVS display command,
nor any MODIFY ZFS command. 

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Re: Displaying Quiesced zFS files

2008-06-24 Thread Patrick Falcone
You would think that the returned *status* from 'D OMVS,F' would be 'quiesced' 
instead of 'active' but then again I just stumbled upon the below.
   
  'D OMVS,F,e' where 'e' is exception.

Mark Zelden [EMAIL PROTECTED] wrote:
  On Mon, 23 Jun 2008 15:12:50 -0700, Patrick Falcone

wrote:

Hi Mark,

 I'm not sure if this has been mentioned/considered but did you try 'D
OMVS,F'?

Yes. Mentioned in my OP (I wrote no OMVS display command, nor any MODIFY 
ZFS command ).

Here is a maintenance zFS I just quiesced:

ZFS 20 ACTIVE RDWR 06/15/2008 L=32
NAME=SYS1.OMVS.RESM81.XML.ZFS 01.20.14 Q=0 
PATH=/servz18/usr/lpp/ixm 
AGGREGATE NAME=SYS1.OMVS.RESM81.XML.ZFS 


Here is one that is not:

ZFS 21 ACTIVE RDWR 06/15/2008 L=33
NAME=SYS1.OMVS.RESM81.PERLZFS 01.20.14 Q=0 
PATH=/servz18/usr/lpp/perl 
AGGREGATE NAME=SYS1.OMVS.RESM81.PERLZFS 


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Mark Zelden wrote:

 Much to my dismay, there is no operator
command I can find that shows a quiesced ZFS. No OMVS display command,
nor any MODIFY ZFS command. 


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Re: Displaying Quiesced zFS files

2008-06-24 Thread Mark Zelden
On Tue, 24 Jun 2008 06:55:49 -0700, Patrick Falcone
[EMAIL PROTECTED] wrote:

You would think that the returned *status* from 'D OMVS,F' would be
'quiesced' instead of 'active' but then again I just stumbled upon the below.

  'D OMVS,F,e' where 'e' is exception.


Yes I tried that (I did look at the FM before my first post on this subject).
Would you expect active to be an exception?  :-) 

Mark
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Re: Displaying Quiesced zFS files

2008-06-24 Thread Ramiro Camposagrado
On Tue, 24 Jun 2008 09:06:14 -0500, Mark Zelden 
[EMAIL PROTECTED] wrote:

On Tue, 24 Jun 2008 06:55:49 -0700, Patrick Falcone
[EMAIL PROTECTED] wrote:

You would think that the returned *status* from 'D OMVS,F' would be
'quiesced' instead of 'active' but then again I just stumbled upon the below.

  'D OMVS,F,e' where 'e' is exception.


Yes I tried that (I did look at the FM before my first post on this subject).
Would you expect active to be an exception?  :-)

Mark
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The following section was added to the DFS/SMB section of the PSP buckets 
for z/OS 1.4, 1.5, 1.6, and 1.7, as a result of a PMR that I have opened with 
zFS development in regards to this issue.  I guess they are still working on 
the 
fix.

06/04/11 If a zfs filesystem is quiesced, either as the result of a
   DFSMS backup operation or explicitly via a zfsadm quiesce
   command, the state of the filesystem as displayed by the
   USS 'df'  or D OMVS,F  commands will NOT show as QUIESCED.
   This is a known design issue which is between the LFS (USS)
   and the PFS (zFS) , and the development teams are currently
   investigating this. However at this time this is working as
   designed.  Users must be aware that to accurately determine
   the current status of a zFS filesystem, they must use the
   provided zfs administration commands:
 zfsadm lsaggr
 zfsadm aggrinfo
   status of the zFS filesystems and will show the status of
   the filesystem as QUIESCED, if in fact the filesystem is
   currently in a QUIESCED state. This has become a point of
   contention recently as backups being taken using the DFSMS
   DUMP/RESTORE utility will  QUIESCE zfs filesystems
   implicitly. If users are not aware of this activity, they
   could see temporary 'hang' situations and/or USS Latch
   contention as indicated by the presence of a BPXM056E
   errors message displayed to the operators console. To
   determine ifthe current state of the ZFS filesystems,
   user are requiredto use the zfsadm commands to
   accurately determine if ZFS filesystems are QUIESCED

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Re: Displaying Quiesced zFS files

2008-06-24 Thread Patrick Falcone
I just thought that *maybe* I could catch you not checking that *F*M! :-)
   
  If done from the driving system then I would venture this a problem since the 
*F*M states that the returned status should be quiesced.

Mark Zelden [EMAIL PROTECTED] wrote:
  On Tue, 24 Jun 2008 06:55:49 -0700, Patrick Falcone

wrote:

You would think that the returned *status* from 'D OMVS,F' would be
'quiesced' instead of 'active' but then again I just stumbled upon the below.

 'D OMVS,F,e' where 'e' is exception.


Yes I tried that (I did look at the FM before my first post on this subject).
Would you expect active to be an exception? :-) 

Mark
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Re: Displaying Quiesced zFS files

2008-06-24 Thread Mark Zelden
On Tue, 24 Jun 2008 09:41:13 -0500, Ramiro Camposagrado
[EMAIL PROTECTED] wrote:


The following section was added to the DFS/SMB section of the PSP buckets
for z/OS 1.4, 1.5, 1.6, and 1.7, as a result of a PMR that I have opened with
zFS development in regards to this issue.  I guess they are still working
on the
fix.

06/04/11 If a zfs filesystem is quiesced

snip

04/11/2006?  Over 2 years and still no relief?   What about  the 1.8 and 1.9 
buckets (I didn't check)?   Considering the push to zFS, this is really bad. 
Jeers for IBM on this one...

Mark
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Re: Displaying Quiesced zFS files

2008-06-24 Thread Ramiro Camposagrado
I agree... two years and counting...
There is no mention of this update on the z/OS 1.8 or 1.9 buckets either.

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Displaying Quiesced zFS files

2008-06-23 Thread Mark Zelden
I was just called about a problem on our WAS development LPAR that turned
out to be a quiesced WAS config ZFS.  Much to my dismay, there is no operator
command I can find that shows a quiesced ZFS.   No OMVS display command,
nor any MODIFY ZFS command.  The only hint at all is this message on the
console:

 IOEZ00581E There are quiesced zFS aggregates

This looks like it came in via PTF to help as an aid in diagnosing problems. 
Searching the syslog I see it in there once.   This would have been expected
anyway since one of the WAS sysprogs quiesced the zFS.  They later 
unquiesced it also - unfortunately another WAS sysprog also quiesced it
and I got involved when things were hung and they couldn't figure out why.

So now to my question.   Does anyone know a way to figure out how
to display what zFS files are quiesced without going into z/OS UNIX and 
using zfsadm (like from the console)?  

If not... this looks like a job for... system REXX!  Oh wait... can't get there
from here (OMVS can't be used from sysrexx, correct?)  :-(

Mark
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Re: Displaying Quiesced zFS files

2008-06-23 Thread Bruno Sugliani
On Mon, 23 Jun 2008 11:31:02 -0500, Mark Zelden [EMAIL PROTECTED]
wrote:

So now to my question.   Does anyone know a way to figure out how
to display what zFS files are quiesced without going into z/OS UNIX and
using zfsadm (like from the console)?

If not... this looks like a job for... system REXX!  Oh wait... can't get there
from here (OMVS can't be used from sysrexx, correct?)  :-(


Perhaps RXZFS ? described in sg246580
Although never i tried it
but then it is rexx :-)) and it is zfsadm
Bruno Sugliani 
zxnetconsult(at)free(dot)fr 

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Re: Displaying Quiesced zFS files

2008-06-23 Thread Veilleux, Jon L
o now to my question.   Does anyone know a way to figure out how
to display what zFS files are quiesced without going into z/OS UNIX and
using zfsadm (like from the 


You can always run the zfsadm command in batch. 


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Re: Displaying Quiesced zFS files

2008-06-23 Thread Mark Zelden
On Mon, 23 Jun 2008 12:54:17 -0400, Veilleux, Jon L [EMAIL PROTECTED]
wrote:

o now to my question.   Does anyone know a way to figure out how
to display what zFS files are quiesced without going into z/OS UNIX and
using zfsadm (like from the


You can always run the zfsadm command in batch.



Yes.  Sort of obvious. But I'm looking for an operator method.  I could 
create an STC that runs bpxbtch and writes to /dev/console.   Yuck!
Might as well train the operator(s) to get into OMVS and issue the command:

zfsadm lsaggr | grep QUI 

Mark
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Re: Displaying Quiesced zFS files

2008-06-23 Thread Patrick Falcone
Hi Mark,
   
  I'm not sure if this has been mentioned/considered but did you try 'D OMVS,F'?

Mark Zelden [EMAIL PROTECTED] wrote:
  I was just called about a problem on our WAS development LPAR that turned
out to be a quiesced WAS config ZFS. Much to my dismay, there is no operator
command I can find that shows a quiesced ZFS. No OMVS display command,
nor any MODIFY ZFS command. The only hint at all is this message on the
console:

IOEZ00581E There are quiesced zFS aggregates

This looks like it came in via PTF to help as an aid in diagnosing problems. 
Searching the syslog I see it in there once. This would have been expected
anyway since one of the WAS sysprogs quiesced the zFS. They later 
unquiesced it also - unfortunately another WAS sysprog also quiesced it
and I got involved when things were hung and they couldn't figure out why.

So now to my question. Does anyone know a way to figure out how
to display what zFS files are quiesced without going into z/OS UNIX and 
using zfsadm (like from the console)? 

If not... this looks like a job for... system REXX! Oh wait... can't get there
from here (OMVS can't be used from sysrexx, correct?) :-(

Mark
--
Mark Zelden
Sr. Software and Systems Architect - z/OS Team Lead
Zurich North America / Farmers Insurance Group - ZFUS G-ITO
mailto:[EMAIL PROTECTED]
z/OS Systems Programming expert at http://expertanswercenter.techtarget.com/
Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html


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