Hercules hangs during init with real scsi tape

[fabio napoles]

Hi all,
I'm faccing a hung up of hercules 3.6 on intel rhel5.3 when
defined in the herc.conf real scsi 3490.
(==0580     3490      /dev/nst0  ====)
also there are some i/o error msgs that only hercules see,
I couldn't find any ref into error logs.
The error is
HHCTA024E Error opening 0:0580=/dev/nst0; errno=4:
To get out of this hang up, the walk arround is to give a cntrl+c
during the herc init.
the herc out is

HHCHD018I Loadable module directory is /usr/local/lib/hercules
Crypto module loaded (c) Copyright Bernard van der Helm, 2003-2009
  Active: Message Security Assist
          Message Security Assist Extension 1
          Message Security Assist Extension 2
HHCHT001I HTTP listener thread started: tid=B7CDCB90, pid=26137
HHCHT013I Using HTTPROOT directory "/usr/local/share/hercules/"
HHCCF065I Hercules: tid=B7FDE6C0, pid=26137, pgid=26137, priority=0
HHCHT006I Waiting for HTTP requests on port 8119
HHCCT073I 0E20: TUN device tun0 opened
HHCDA020I /work/zos19/z9res1 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9res2 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9res3 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9sys1 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9prd1 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9uss1 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9cic1 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9db81 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9db82 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9db91 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9db92 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9ims1 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9was1 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9was2 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9was3 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/sares1 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9dis1 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9dis2 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9dis3 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9dis4 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9dis5 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/z9dis6 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/spl001 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/spl002 cyls=3339 heads=15 tracks=50085 trklen=56832
HHCDA020I /work/zos19/work09 cyls=10017 heads=15 tracks=150255 trklen=56832
HHCDA020I /work/zos19/work10 cyls=10017 heads=15 tracks=150255 trklen=56832
HHCTA998I Device 0580: /dev/nst0 is a SCSI attached tape drive
HHCTA100I 0580: Now Displays: "        "
HHCTE001I Console connection thread started: tid=B78FEB90, pid=26137
HHCTE003I Waiting for console connection on port 3270
HHCTA024E Error opening 0:0580=/dev/nst0; errno=4: Interrupted system call
HHCCP002I CPU0000 thread started: tid=875FCB90, pid=26137, priority=-15
HHCCP003I CPU0000 architecture mode z/Arch
HHCTT002I Timer thread started: tid=874FBB90, pid=26137, priority=-20
HHCCP002I CPU0001 thread started: tid=873FAB90, pid=26137, priority=-15
HHCCP003I CPU0001 architecture mode z/Arch

HHCDA020I /work/zos19/z9dis2 cyls=3339 heads=15 tracks=50085 trklen=56832      +
HHCDA020I /work/zos19/z9dis3 cyls=3339 heads=15 tracks=50085 trklen=56832      
HHCDA020I /work/zos19/z9dis4 cyls=3339 heads=15 tracks=50085 trklen=56832      
HHCDA020I /work/zos19/z9dis5 cyls=3339 heads=15 tracks=50085 trklen=56832      
HHCDA020I /work/zos19/z9dis6 cyls=3339 heads=15 tracks=50085 trklen=56832      
HHCDA020I /work/zos19/spl001 cyls=3339 heads=15 tracks=50085 trklen=56832      
HHCDA020I /work/zos19/spl002 cyls=3339 heads=15 tracks=50085 trklen=56832      
HHCDA020I /work/zos19/work09 cyls=10017 heads=15 tracks=150255 trklen=56832    
HHCDA020I /work/zos19/work10 cyls=10017 heads=15 tracks=150255 trklen=56832    
HHCTA998I Device 0580: /dev/nst0 is a SCSI attached tape drive                  
HHCTA100I 0580: Now Displays: "        "                                        
HHCTE001I Console connection thread started: tid=B78FEB90, pid=26137            
HHCTE003I Waiting for console connection on port 3270                          

=============> hung up  
=============> cntrl+c
HHCTA024E Error opening 0:0580=/dev/nst0; errno=4: Interrupted system call      
HHCCP002I CPU0000 thread started: tid=875FCB90, pid=26137, priority=-15        
HHCCP003I CPU0000 architecture mode z/Arch                                      
HHCTT002I Timer thread started: tid=874FBB90, pid=26137, priority=-20          
HHCCP002I CPU0001 thread started: tid=873FAB90, pid=26137, priority=-15        
HHCCP003I CPU0001 architecture mode z/Arch                                      
HHCPN001I Control panel thread started: tid=B7FDE6C0, pid=26137                
HHCAO001I Hercules Automatic Operator thread started;                          
          tid=87068B90, pri=0, pid=26137                                        
Command ==>                                        

[kerravon86]

--- In hercules-390@..., "fabionapoles" <fabionapoles@...> wrote:
>
> Hi all,
> I'm faccing a hung up of hercules 3.6 on intel rhel5.3 when
> defined in the herc.conf real scsi 3490.

I don't know if this is your situation, but real
SCSI tape problems have been reported before, and
are already fixed if you get a new snapshot.

BFN.  Paul.

[Tony Harminc]

2009/10/14 fabionapoles <fabionapoles@...>:

> Hi all,
> I'm faccing a hung up of hercules 3.6 on intel rhel5.3 when
> defined in the herc.conf real scsi 3490.
> (==0580     3490      /dev/nst0  ====)
> also there are some i/o error msgs that only hercules see,
> I couldn't find any ref into error logs.
> The error is
> HHCTA024E Error opening 0:0580=/dev/nst0; errno=4:
> To get out of this hang up, the walk arround is to give a cntrl+c
> during the herc init.

BTST. In my experience life is much easier if you use only aws (or
het, of course) emulated tapes with your running Herc system, and just
copy between those and the real SCSI tapes offline using tapecopy.
With your configuration it doesn't look as though you are trying for
any kind of accurate retro-computing experience anyway...

Tony H.

[fish-8]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

fabionapoles wrote:

> Hi all,
> I'm faccing a hung up of hercules 3.6 on intel rhel5.3 when
> defined in the herc.conf real scsi 3490.
> (==0580     3490      /dev/nst0  ====)

[...]

> =============> hung up
> =============> cntrl+c
> HHCTA024E Error opening 0:0580=/dev/nst0; errno=4: Interrupted system call
<snip>


Please try a snapshot created either ON or AFTER 27-Apr-2009:

  http://www.ivansoftware.com/snapshots/snapshots/


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[fabio napoles]

I already tried one of the latest snapshot from 12 octb 2009 and got the same result.
Hercules is still working ok with the tape, I mean, I am able to use the unit
but, I get a lot of HHCTA024E, and with "mt" cmd there is no tape errors, and
there is no error report in any linux log.  

--- On Thu, 10/15/09, Fish <fish@...> wrote:

From: Fish <fish@...>
Subject: RE: [hercules-390] Hercules hangs during init with real scsi tape
To: hercules-390@...
Date: Thursday, October 15, 2009, 3:21 AM






 




   
                  -----BEGIN PGP SIGNED MESSAGE-----

Hash: SHA1



fabionapoles wrote:



> Hi all,

> I'm faccing a hung up of hercules 3.6 on intel rhel5.3 when

> defined in the herc.conf real scsi 3490.

> (==0580     3490      /dev/nst0  ====)



[...]



> ============ => hung up

> ============ => cntrl+c

> HHCTA024E Error opening 0:0580=/dev/ nst0; errno=4: Interrupted system call

<snip>



Please try a snapshot created either ON or AFTER 27-Apr-2009:



http://www.ivansoft ware.com/ snapshots/ snapshots/



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[Non-text portions of this message have been removed]

[fabio napoles]

Yes Tony!
I tried that and works ok.
So, I concluded it is realy a herc version problem, since I did that before
in herc older version and worked ok.
I'll try to find the older version and let the people know so someone can compare
and try to find de diffs.

--- On Wed, 10/14/09, Tony Harminc <tharminc@...> wrote:

From: Tony Harminc <tharminc@...>
Subject: Re: [hercules-390] Hercules hangs during init with real scsi tape
To: hercules-390@...
Date: Wednesday, October 14, 2009, 7:32 AM






 




   
                  2009/10/14 fabionapoles <fabionapoles@ yahoo.com>:

> Hi all,

> I'm faccing a hung up of hercules 3.6 on intel rhel5.3 when

> defined in the herc.conf real scsi 3490.

> (==0580     3490      /dev/nst0  ====)

> also there are some i/o error msgs that only hercules see,

> I couldn't find any ref into error logs.

> The error is

> HHCTA024E Error opening 0:0580=/dev/ nst0; errno=4:

> To get out of this hang up, the walk arround is to give a cntrl+c

> during the herc init.



BTST. In my experience life is much easier if you use only aws (or

het, of course) emulated tapes with your running Herc system, and just

copy between those and the real SCSI tapes offline using tapecopy.

With your configuration it doesn't look as though you are trying for

any kind of accurate retro-computing experience anyway...



Tony H.


 

     

   
   
       
         
       
       








       


       
       


     

[Non-text portions of this message have been removed]

[fish-8]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

fabio napoles wrote:

> I already tried one of the latest snapshot from 12 octb 2009
> and got the same result.
> Hercules is still working ok with the tape, I mean, I am able
> to use the unit but, I get a lot of HHCTA024E, and with "mt"
> cmd there is no tape errors, and there is no error report in
> any linux log.

Hi Fabio!

Please forgive me for asking, BUT...

I would like to confirm whether you obtained your snapshot from the correct
place.

Ivan Warren has TWO DIFFERENT snapshots web pages:


One is the OLD/INCORRECT place:

  http://www.ivansoftware.com/snapshots/snapdload.html


The other is the NEW/CORRECT place: [*]

  http://www.ivansoftware.com/snapshots/snapshots/


If you obtained your snapshot from the old location, then that explains the
incorrect behavior.

If you obtained your snapshot from the new location, then we have a new
problem that needs further investigation.


- --
"Fish" (David B. Trout) - fish@...
Fight Spam! Join CAUCE! <http://www.cauce.org/>
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PGP key fingerprints:
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[*] For more information please see:

  "Where to download current Hercules snapshots"

  http://tech.groups.yahoo.com/group/hercules-390/message/58720

Additionally, I have also placed a "SNAPSHOTS" link in the Hercules-390
Yahoo group's "links" area:

  http://tech.groups.yahoo.com/group/hercules-390/links/

and will try to keep it current.



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[fabio napoles]

My God!
I got the wrong one!
I'll test the new you directed me and let you know the result,
tks     ,,,,,,,,,,,,,,,,,fabio

--- On Fri, 10/16/09, Fish <fish@...> wrote:

From: Fish <fish@...>
Subject: RE: [hercules-390] Hercules hangs during init with real scsi tape
To: hercules-390@...
Date: Friday, October 16, 2009, 1:09 AM






 




   
                  -----BEGIN PGP SIGNED MESSAGE-----

Hash: SHA1



fabio napoles wrote:



> I already tried one of the latest snapshot from 12 octb 2009

> and got the same result.

> Hercules is still working ok with the tape, I mean, I am able

> to use the unit but, I get a lot of HHCTA024E, and with "mt"

> cmd there is no tape errors, and there is no error report in

> any linux log.



Hi Fabio!



Please forgive me for asking, BUT...



I would like to confirm whether you obtained your snapshot from the correct

place.



Ivan Warren has TWO DIFFERENT snapshots web pages:



One is the OLD/INCORRECT place:



http://www.ivansoft ware.com/ snapshots/ snapdload. html



The other is the NEW/CORRECT place: [*]



http://www.ivansoft ware.com/ snapshots/ snapshots/



If you obtained your snapshot from the old location, then that explains the

incorrect behavior.



If you obtained your snapshot from the new location, then we have a new

problem that needs further investigation.



- --

"Fish" (David B. Trout) - fish@softdevlabs. com

Fight Spam! Join CAUCE! <http://www.cauce. org/>

7 reasons why HTML email is a bad thing

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PGP key fingerprints:

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[*] For more information please see:



"Where to download current Hercules snapshots"



http://tech. groups.yahoo. com/group/ hercules- 390/message/ 58720



Additionally, I have also placed a "SNAPSHOTS" link in the Hercules-390

Yahoo group's "links" area:



http://tech. groups.yahoo. com/group/ hercules- 390/links/



and will try to keep it current.



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H3+iJEPOJBUBc/ G9NGalSxY=

=+IfK

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[Non-text portions of this message have been removed]

[fabio napoles]

 Yes, after compiling the last hercules version fron svn, there is no more hang or error messages.
The strange situation is that I have to issue a "devinit 500 /dev/nst0" in order to have hercules to mount the tape for the first time. After that, the "auto_scsi_mount" works ok.



--- On Fri, 10/16/09, fabio napoles <fabionapoles@...> wrote:

From: fabio napoles <fabionapoles@...>
Subject: RE: [hercules-390] Hercules hangs during init with real scsi tape
To: hercules-390@...
Date: Friday, October 16, 2009, 5:02 AM






 




   
                  My God!

I got the wrong one!

I'll test the new you directed me and let you know the result,

tks     ,,,,,,,,,,,, ,,,,,fabio



--- On Fri, 10/16/09, Fish <fish@infidels. org> wrote:



From: Fish <fish@infidels. org>

Subject: RE: [hercules-390] Hercules hangs during init with real scsi tape

To: hercules-390@ yahoogroups. com

Date: Friday, October 16, 2009, 1:09 AM



 



-----BEGIN PGP SIGNED MESSAGE-----



Hash: SHA1



fabio napoles wrote:



> I already tried one of the latest snapshot from 12 octb 2009



> and got the same result.



> Hercules is still working ok with the tape, I mean, I am able



> to use the unit but, I get a lot of HHCTA024E, and with "mt"



> cmd there is no tape errors, and there is no error report in



> any linux log.



Hi Fabio!



Please forgive me for asking, BUT...



I would like to confirm whether you obtained your snapshot from the correct



place.



Ivan Warren has TWO DIFFERENT snapshots web pages:



One is the OLD/INCORRECT place:



http://www.ivansoft ware.com/ snapshots/ snapdload. html



The other is the NEW/CORRECT place: [*]



http://www.ivansoft ware.com/ snapshots/ snapshots/



If you obtained your snapshot from the old location, then that explains the



incorrect behavior.



If you obtained your snapshot from the new location, then we have a new



problem that needs further investigation.



- --



"Fish" (David B. Trout) - fish@softdevlabs. com



Fight Spam! Join CAUCE! <http://www.cauce. org/>



7 reasons why HTML email is a bad thing



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PGP key fingerprints:



DH/DSS: 9F9B BAB0 BA7F C458 1A89 FE26 48F5 D7F4 C4EE 3E2A



RSA: 6B37 7110 7201 9917 9B0D 99E3 55DB 5D58 FADE 4A52



[*] For more information please see:



"Where to download current Hercules snapshots"



http://tech. groups.yahoo. com/group/ hercules- 390/message/ 58720



Additionally, I have also placed a "SNAPSHOTS" link in the Hercules-390



Yahoo group's "links" area:



http://tech. groups.yahoo. com/group/ hercules- 390/links/



and will try to keep it current.



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H3+iJEPOJBUBc/ G9NGalSxY=



=+IfK



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[Non-text portions of this message have been removed]




 

     

   
   
       
         
       
       








       


       
       


     

[Non-text portions of this message have been removed]

[fish-8]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

fabio napoles wrote:

>  Yes, after compiling the last hercules version fron svn, there is
> no more hang or error messages.

Thought so.  :)


> The strange situation is that I have to issue a "devinit 500 /dev/nst0"
> in order to have hercules to mount the tape for the first time. After
> that, the "auto_scsi_mount" works ok.

That IS odd.

scsimount should automatically engage as soon as Hercules is powered on if
there's no tape mounted and it's working correctly.

If there is already a tape mounted when you power on Hercules then scsimount
should, after initially engaging, immediately exit (since there IS after all
a tape already mounted). Do you see these messages in your Hercules log?

Since this (second scenario, tape already mounted at Hercules power on)
occurs *before* your guest operating system is IPL'ed however, it of course
does not receive the attention interrupt that is automatically generated
(since there's no operating system running to receive it! And as soon as you
IPL all pending interrupts are cleared anyway).

But if your guest operating is working correctly it SHOULD automatically
query that tape device as part of its system initialization -- as long as
that device address is in its I/O configuration and as long as it's
configured to be "online at startup" of course.

Are you sure you have your guest o/s configured properly? What does your
guest operating system's i/o configuration look like for tape device 500?

- --
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[fabio napoles]

My system looks ok!
It is working perfectly with the scsi 3490, and
looks odd, but after the first mount with the manual "devinit 500 /dev/nst0"
it goes all alone.
my   auto_scsi_mount is set to 30.
the tape unit is not mounted during ipl.
I'll do more testing with "mt /dev/nst0 status" before and after
mounting the tape to try getting more info.


--- On Sat, 10/24/09, Fish <fish@...> wrote:

From: Fish <fish@...>
Subject: RE: [hercules-390] Hercules hangs during init with real scsi tape
To: hercules-390@...
Date: Saturday, October 24, 2009, 7:13 PM






 




   
                  -----BEGIN PGP SIGNED MESSAGE-----

Hash: SHA1



fabio napoles wrote:



>  Yes, after compiling the last hercules version fron svn, there is

> no more hang or error messages.



Thought so.  :)



> The strange situation is that I have to issue a "devinit 500 /dev/nst0"

> in order to have hercules to mount the tape for the first time. After

> that, the "auto_scsi_mount" works ok.



That IS odd.



scsimount should automatically engage as soon as Hercules is powered on if

there's no tape mounted and it's working correctly.



If there is already a tape mounted when you power on Hercules then scsimount

should, after initially engaging, immediately exit (since there IS after all

a tape already mounted). Do you see these messages in your Hercules log?



Since this (second scenario, tape already mounted at Hercules power on)

occurs *before* your guest operating system is IPL'ed however, it of course

does not receive the attention interrupt that is automatically generated

(since there's no operating system running to receive it! And as soon as you

IPL all pending interrupts are cleared anyway).



But if your guest operating is working correctly it SHOULD automatically

query that tape device as part of its system initialization -- as long as

that device address is in its I/O configuration and as long as it's

configured to be "online at startup" of course.



Are you sure you have your guest o/s configured properly? What does your

guest operating system's i/o configuration look like for tape device 500?



- --

"Fish" (David B. Trout) - fish@softdevlabs. com

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