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1. The cabling appears fine.
2. Our Ficon Express 8 is LX (long wave) and open system guy says s=
witch is:
Make: EMC (Brocade)
Model: DS-5100
Firmware: 6.1.0c
NPIV Enabled Port
He says optics are short wave and there is no such thing as long wave?
3. He says there are not errors on switch that the port is not "negoti=
ating" at all.
4. As he says above NPIV is enabled on switch. Fabric Login Status ha=
s *** in all fields.
So with that being said, it appears the optics are the problem? Do you agr=
ee that there is no such thing as long wave on open system switches?
Anne D. Crabtree
System Programmer
WV Office of Technology Data Center
1900 Kanawha Blvd East
Charleston, WV 25305
(304)558-5914 ext 58292
(304)558-1441 fax
From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Beh=
alf Of Raymond Higgs
Sent: Friday, May 06, 2011 9:12 AM
Subject: Re: Using EMC Clariion SCSI disk with Linux
The IBM z/VM Operating System <IBMVM@LISTSERV.UARK.EDU> wrote on 05/06/2011=
07:51:57 AM:
> From: "Crabtree, Anne D" <anne.d.crabt...@wv.gov>
> To: IBMVM@LISTSERV.UARK.EDU
> Date: 05/06/2011 07:53 AM
> Subject: Using EMC Clariion SCSI disk with Linux
> Sent by: The IBM z/VM Operating System <IBMVM@LISTSERV.UARK.EDU>
>
> I posted this on IBM-MAIN with not much response so hoping someone
> on z/VM might be able to help. Opened a PMR with IBM software but
> they feel it is a hardware issue. Waiting for information on switch
> before contacting IBM hardware folks...
>
> We have a z10 in which I have defined 2 FCP chpids on our FICON
> Express8 cards. These chpids have NPIV enabled and I have provided
> the open system team with the WWPN's that were generated. The FCP
> chpids are dedicated to our 1 Linux IFL. We have connected the
> fiber, but the chpid, while staying ONLINE, gets a SEQUENCE TIME-OUT
> on the HMC. The light is on on the mainframe side, but not on the
> switch. The open system team tells me that there is nothing for
> them to do on their side until they can "see" the mainframe (light
> comes on?). In z/VM, the chips appear fine, defined as FCP with
> devices attached and FREE. I'm not sure what else I can do from the
> mainframe side to help the situation? I am not involved in the
> Linux portion but the Linux guy says he can't "see" the luns from
> Linux. Both sides appear to be waiting on me to fix things!
>
> The SCSI is a "CLARiiON CX-700 with FLARE (operating system)
> version 26 revision 31 (02.26.700.5.031) which is the latest release
> for the CX-700 product line. "
Anne,
The bad news is that we don't support EMC Clariion, but I have heard accoun=
ts of it working just fine. Since you are having problems between the chan=
nel and switch, you still will be able to get some IBM support. I'd check =
these things:
* Double check the cabling between the channel and the switch. Is the chan=
nel really plugged into the switch port that you think it is?
* Make sure that the optics in the switch, the optics in the channel, and t=
he fibre are either all long wave or all short wave. No mixing.
* Check the switch for bit errors. If the switch is seeing bit errors, it =
may have disabled the port on you. Or even simpler, was the switch port ev=
er online?
* Is NPIV enabled on your switch? There is a panel on the SE called Fabric=
Login Status that may have some clues... Use the HMC to do single object =
operatings to your z10 CPC. Navigate to your channel. It doesn't matter i=
f it is the chpid or pchid. Find "channel operations" in the menus (I'm us=
ed to classic mode so I use those arrows to cycle through the right hand pa=
nel. Use "channel problem determination". You might have to select an lpa=
r at this point. Then "Fabric login Status...". This panel shows a bunch =
of fibre channel info from the channel about how it is logged into your swi=
tch fabric. There might be some error messages here.
Regards,
Ray Higgs
System z FCP Firmware Development
Bld. 706, B42
2455 South Road
Poughkeepsie, NY 12601
(845) 435-8666, T/L 295-8666
rayhi...@us.ibm.com
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<p class=3DMsoListParagraph style=3D'text-indent:-.25in;mso-list:l0 level1 =
lfo1'><![if !supportLists]><span
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'=
><span
style=3D'mso-list:Ignore'>1.<span style=3D'font:7.0pt "Times New Roman"'>&n=
bsp;
</span></span></span><![endif]><span style=3D'font-size:11.0pt;font-family:=
"Calibri","sans-serif";
color:#1F497D'> The cabling appears fine.<o:p></o:p></span></p>
<p class=3DMsoListParagraph style=3D'text-indent:-.25in;mso-list:l0 level1 =
lfo1'><![if !supportLists]><span
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'=
><span
style=3D'mso-list:Ignore'>2.<span style=3D'font:7.0pt "Times New Roman"'>&n=
bsp;
</span></span></span><![endif]><span style=3D'font-size:11.0pt;font-family:=
"Calibri","sans-serif";
color:#1F497D'> Our Ficon Express 8 is LX (long wave) and open
system guy says switch is:<o:p></o:p></span></p>
<p class=3DMsoListParagraph><span style=3D'color:#1F497D'>Make: EMC (=
Brocade)<o:p></o:p></span></p>
<p class=3DMsoListParagraph><span style=3D'color:#1F497D'>Model: DS-5=
100<o:p></o:p></span></p>
<p class=3DMsoListParagraph><span style=3D'color:#1F497D'>Firmware: 6=
.1.0c<o:p></o:p></span></p>
<p class=3DMsoListParagraph><span style=3D'color:#1F497D'>NPIV Enabled Port=
<o:p></o:p></span></p>
<p class=3DMsoListParagraph><span style=3D'color:#1F497D'>He says optics ar=
e short
wave and there is no such thing as long wave?<o:p></o:p></span></p>
<p class=3DMsoListParagraph style=3D'text-indent:-.25in;mso-list:l0 level1 =
lfo1'><![if !supportLists]><span
style=3D'color:#1F497D'><span style=3D'mso-list:Ignore'>3.<span style=3D'fo=
nt:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style=3D'color:#1F497D'>He says there =
are
not errors on switch that the port is not “negotiating” at all.=
<o:p></o:p></span></p>
<p class=3DMsoListParagraph style=3D'text-indent:-.25in;mso-list:l0 level1 =
lfo1'><![if !supportLists]><span
style=3D'color:#1F497D'><span style=3D'mso-list:Ignore'>4.<span style=3D'fo=
nt:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style=3D'color:#1F497D'>As he says abo=
ve
NPIV is enabled on switch. Fabric Login Status has *** in all fields.=
<o:p></o:p></span></p>
<p class=3DMsoListParagraph><span style=3D'color:#1F497D'><o:p> </o:p>=
</span></p>
<p class=3DMsoNormal><span style=3D'color:#1F497D'>So with that being said,=
it
appears the optics are the problem? Do you agree that there is no suc=
h
thing as long wave on open system switches?<o:p></o:p></span></p>
<p class=3DMsoListParagraph><span style=3D'font-size:11.0pt;font-family:"Ca=
libri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span style=3D'font-size:11.0pt;font-family:"Calibri",=
"sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=3DMsoNormal><span style=3D'font-family:"Lucida Calligraphy";color:=
#1F497D'>Anne
D. Crabtree<o:p></o:p></span></p>
<p class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Arial","s=
ans-serif";
color:#1F497D'>System Programmer<o:p></o:p></span></p>
<p class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Arial","s=
ans-serif";
color:#1F497D'>WV Office of Technology Data Center<o:p></o:p></span></p>
<p class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Arial","s=
ans-serif";
color:#1F497D'>1900 Kanawha Blvd East<o:p></o:p></span></p>
<p class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Arial","s=
ans-serif";
color:#1F497D'>Charleston, WV 25305<o:p></o:p></span></p>
<p class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Arial","s=
ans-serif";
color:#1F497D'>(304)558-5914 ext 58292<o:p></o:p></span></p>
<p class=3DMsoNormal><span style=3D'font-size:10.0pt;font-family:"Arial","s=
ans-serif";
color:#1F497D'>(304)558-1441 fax<o:p></o:p></span></p>
<p class=3DMsoNormal><span style=3D'font-size:11.0pt;font-family:"Calibri",=
"sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in'>
<p class=3DMsoNormal><b><span style=3D'font-size:10.0pt;font-family:"Tahoma=
","sans-serif"'>From:</span></b><span
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> The IBM z/VM
Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] <b>On Behalf Of </b>Raymo=
nd
Higgs<br>
<b>Sent:</b> Friday, May 06, 2011 9:12 AM<br>
<b>Subject:</b> Re: Using EMC Clariion SCSI disk with Linux<o:p></o:p></spa=
n></p>
</div>
<p class=3DMsoNormal><o:p> </o:p></p>
<p class=3DMsoNormal><tt><span style=3D'font-size:10.0pt'>The IBM z/VM Oper=
ating
System <IBMVM@LISTSERV.UARK.EDU> wrote on 05/06/2011 07:51:57 AM:</sp=
an></tt><span
style=3D'font-size:10.0pt;font-family:"Courier New"'><br>
<br>
<tt>> From: "Crabtree, Anne D" <anne.d.crabt...@wv.gov><=
/tt></span>
<br>
<tt><span style=3D'font-size:10.0pt'>> To: IBMVM@LISTSERV.UARK.EDU</span=
></tt>
<br>
<tt><span style=3D'font-size:10.0pt'>> Date: 05/06/2011 07:53 AM</span><=
/tt> <br>
<tt><span style=3D'font-size:10.0pt'>> Subject: Using EMC Clariion SCSI =
disk
with Linux</span></tt> <br>
<tt><span style=3D'font-size:10.0pt'>> Sent by: The IBM z/VM Operating S=
ystem
<IBMVM@LISTSERV.UARK.EDU></span></tt> <br>
<tt><span style=3D'font-size:10.0pt'>> </span></tt><span style=3D'font-s=
ize:
10.0pt;font-family:"Courier New"'><br>
<tt>> I posted this on IBM-MAIN with not much response so hoping someone=
</tt><br>
<tt>> on z/VM might be able to help. Opened a PMR with IBM softwar=
e
but </tt><br>
<tt>> they feel it is a hardware issue. Waiting for information on
switch</tt><br>
<tt>> before contacting IBM hardware folks... </tt></span><br>
<tt><span style=3D'font-size:10.0pt'>> </span></tt> <br>
<tt><span style=3D'font-size:10.0pt'>> We have a z10 in which I have def=
ined 2
FCP chpids on our FICON </span></tt><span style=3D'font-size:10.0pt;font-fa=
mily:
"Courier New"'><br>
<tt>> Express8 cards. These chpids have NPIV enabled and I have
provided </tt><br>
<tt>> the open system team with the WWPN's that were generated. Th=
e
FCP </tt><br>
<tt>> chpids are dedicated to our 1 Linux IFL. We have connected t=
he </tt><br>
<tt>> fiber, but the chpid, while staying ONLINE, gets a SEQUENCE TIME-O=
UT</tt><br>
<tt>> on the HMC. The light is on on the mainframe side, but not o=
n
the </tt><br>
<tt>> switch. The open system team tells me that there is nothing =
for </tt><br>
<tt>> them to do on their side until they can "see" the mainfr=
ame
(light </tt><br>
<tt>> comes on?). In z/VM, the chips appear fine, defined as FCP w=
ith </tt><br>
<tt>> devices attached and FREE. I'm not sure what else I can do f=
rom
the</tt><br>
<tt>> mainframe side to help the situation? I am not involved in t=
he </tt><br>
<tt>> Linux portion but the Linux guy says he can't "see" the =
luns
from </tt><br>
<tt>> Linux. Both sides appear to be waiting on me to fix things!<=
/tt><br>
<tt>> </tt><br>
<tt>> The SCSI is a "CLARiiON CX-700 with FLARE (operating
system) </tt><br>
<tt>> version 26 revision 31 (02.26.700.5.031) which is the latest relea=
se</tt><br>
<tt>> for the CX-700 product line. "</tt></span> <br>
<br>
<span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>Anne,</sp=
an> <br>
<br>
<span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>The bad n=
ews is
that we don't support EMC Clariion, but I have heard accounts of it working
just fine. Since you are having problems between the channel and swit=
ch,
you still will be able to get some IBM support. I'd check these thing=
s:</span>
<br>
<br>
<span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>* Double =
check
the cabling between the channel and the switch. Is the channel really
plugged into the switch port that you think it is?</span> <br>
<span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>* Make su=
re
that the optics in the switch, the optics in the channel, and the fibre are
either all long wave or all short wave. No mixing.</span> <br>
<span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>* Check t=
he
switch for bit errors. If the switch is seeing bit errors, it may hav=
e
disabled the port on you. Or even simpler, was the switch port ever
online?</span> <br>
<span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>* Is NPIV
enabled on your switch? There is a panel on the SE called Fabric Logi=
n
Status that may have some clues... Use the HMC to do single object
operatings to your z10 CPC. Navigate to your channel. It doesn'=
t
matter if it is the chpid or pchid. Find "channel operations&quo=
t;
in the menus (I'm used to classic mode so I use those arrows to cycle throu=
gh
the right hand panel. Use "channel problem determination".
You might have to select an lpar at this point. Then "Fabr=
ic
login Status...". This panel shows a bunch of fibre channel info
from the channel about how it is logged into your switch fabric. Ther=
e
might be some error messages here.</span> <br>
<br>
<span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'>Regards,<=
/span>
<br>
<span style=3D'font-size:10.0pt;font-family:"Arial","sans-serif"'><br>
Ray Higgs<br>
System z FCP Firmware Development<br>
Bld. 706, B42<br>
2455 South Road<br>
Poughkeepsie, NY 12601<br>
(845) 435-8666, T/L 295-8666<br>
rayhi...@us.ibm.com</span><o:p></o:p></p>
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