I don't even get to the stage of mounting these devices, we're talking straight "multipath -l" command, they are there when I come down and not when I come back up. I've been successful both with SuSE and Redhat, just can't seem to figure it out in Debian. As far as mkinitrd, I think the "update-initramfs" command is the comparable command in Debian, zipl stays the same across the 3 mentioned though. I know that when I add a DASD device to a Debian instance, I first "touch /etc/sysconfig/hardware/config-ccw-0.0.0200", then I issue "hwup 0.0.0200" and from then on, the DASD device is available. I guess what I'm looking for is the same kind of thing for a multipath'd zfcp device, which I thought was as simple as coding the config-ccw-0.0.a200 file that I listed in my first email (at the bottom). When I then issue the "hwup-ccw-zfcp 0.0.a200" command, it says "Configuring device 0.0.a200: online. ok." but still, nothing when I issue the "multipath -l" command.
-----Original Message----- From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Emmett O'Grady Sent: Tuesday, October 05, 2010 1:57 PM To: [email protected] Subject: Re: Question about multipathing on zDebian (Lenny) --=_related 0062A15E852577B3_= Content-Type: multipart/alternative; boundary="=_alternative 0062A161852577B3_=" --=_alternative 0062A161852577B3_= Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable You should be able to set them up in /etc/multipath.conf I had issues mounting the filesystems across reboots on an xSeries. Red Hat recommended using the /dev/mapper/ as opposed to /dev/mpath## [ . . . snip from /etc/fstab . . . ] /dev/mapper/LnP /LnP=5FFTP ext3 acl 1 2 /dev/mapper/100GBno1 /ftpdata2 ext3 acl 1 2 # this is the 16GB LUN Slice below /dev/mapper/16GBno1 /DigMedNetPgm ext3 acl 1 2 Seems that there was NO consistency as to how multipath would select path=20 numbers. I would always get dropped into maintenance mode This recommendation fixed my issues since changing fstab to=20 /dev/mapper/#### Emmett O'Grady=20 Mercedes-Benz USA, LLC.=20 [email protected]=20 Sent by: [email protected] 10/05/2010 01:45 PM Please respond to [email protected] To [email protected] cc Subject Re: Question about multipathing on zDebian (Lenny) Mark, I am not familiar with Debian, but if this was a SUSE or REDHAT=20 instance, I would say you need to run mkinitrd and zipl before your reboot. John From: "Wiggins, Mark" <[email protected]> To: [email protected] Date: 10/05/2010 01:37 PM Subject: Question about multipathing on zDebian (Lenny) Sent by: Linux on 390 Port <[email protected]> I hate to come and ask what I know is going to be a simple answer, but=20 I've beat my head against the wall for long enough. I'm trying to add some multipath'd devices to a Debian(Lenny) instance. I can get the devices configured properly, mpath1 (360050768019281af7000000000000153) dm-1 IBM ,2145 [size=3D3.7G][features=3D0][hwhandler=3D0] \=5F round-robin 0 [prio=3D0][active] \=5F 0:0:0:32 sde 8:64 [active][undef] \=5F 0:0:1:32 sdf 8:80 [active][undef] \=5F 1:0:0:32 sdg 8:96 [active][undef] \=5F 1:0:1:32 sdh 8:112 [active][undef] mpath0 (360050768019281af7000000000000152) dm-0 IBM ,2145 [size=3D3.7G][features=3D0][hwhandler=3D0] \=5F round-robin 0 [prio=3D0][active] \=5F 0:0:0:31 sda 8:0 [active][undef] \=5F 0:0:1:31 sdb 8:16 [active][undef] \=5F 1:0:0:31 sdc 8:32 [active][undef] \=5F 1:0:1:31 sdd 8:48 [active][undef] I just can't get these definitions to hold across a reboot. I've tried creating /etc/sysconfig/hardware/config-ccw-0.0.a200 files,/usr/share/initramfs-tools/hooks/multipath=5Fhook file, zipl commands, update-initramfs commands, etc., but I haven't found what it takes to make these definitions hold across a reboot. What am I missing besides writing some kind of a script that has to run after every reboot? Mark Wiggins University of Connecticut My /etc/sysconfig/hardware/config-ccw-0.0.a200 looks like this, #!/bin/sh # # hwcfg-zfcp-bus-ccw-0.0.a200 # # Configuration for the zfcp adapter at CCW ID 0.0.a200 # STARTMODE=3D"auto" MODULE=3D"zfcp" MODULE=5FOPTIONS=3D"" # Scripts to be called for the various events. # If called manually the event is set to 'up'. SCRIPTUP=3D"hwup-ccw" SCRIPTUP=5Fccw=3D"hwup-ccw" SCRIPTUP=5Fscsi=5Fhost=3D"hwup-zfcp" SCRIPTDOWN=3D"hwdown-scsi" SCRIPTDOWN=5Fscsi=3D"hwdown-zfcp" # Configured zfcp disks ZFCP=5FLUNS=3D"0x50050768014035ee:0x001f000000000000" ZFCP=5FLUNS=3D"0x50050768014035d9:0x001f000000000000" ZFCP=5FLUNS=3D"0x50050768014035ee:0x0020000000000000" ZFCP=5FLUNS=3D"0x50050768014035d9:0x0020000000000000" ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/ ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or=20 visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/ If you are not the intended addressee, please inform us immediately that yo= u have received this e-mail in error, and delete it. We thank you for your = cooperation. = --=_alternative 0062A161852577B3_= Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable <br><font size=3D2 face=3D"sans-serif">You should be able to set them up in /etc/multipath.conf</font><br><br><font size=3D2 face=3D"sans-serif">I had = issues mounting the filesystems across reboots on an xSeries.</font><br><font size=3D2 face=3D"sans-serif">= Red Hat recommended using the /dev/mapper/ as opposed to /dev/mpath##</font><br><br><font size=3D2 face= =3D"sans-serif">[ . . . snip from /etc/fstab . . . ]</font><br><br><font si= ze=3D2 face=3D"sans-serif">/dev/mapper/LnP /LnP=5FFTP ext3 acl 1 2</font><br><font size=3D2 fac= e=3D"sans-serif">/dev/mapper/100GBno1 /ftpdata2 ext3 acl 1 2</font><br><font size=3D2 face=3D"sans-serif"># this is th= e 16GB LUN Slice below</font><br><font size=3D2 face=3D"sans-serif">/dev/ma= pper/16GBno1 /DigMedNetPgm ext3 acl 1 2</font><br><br><font size=3D2 face=3D"sans-serif">Seems that there was N= O consistency as to how multipath would select path numbers. I would always get dropped into maintenance mode</font><br><font size=3D2 face=3D"sans-serif">This rec= ommendation fixed my issues since changing fstab to /dev/mapper/####</font><br><br><br><br><font size= =3D2 face=3D"sans-serif">Emmett O'Grady <br>Mercedes-Benz USA, LLC. <br></f= ont><br><br><br><br><table width=3D100%><tr valign=3Dtop><td width=3D40%><f= ont size=3D1 face=3D"sans-serif"><b>[email protected]</b></font><br><font= size=3D1 face=3D"sans-serif">Sent by: [email protected]</font><p><fo= nt size=3D1 face=3D"sans-serif">10/05/2010 01:45 PM</font><table border><tr= valign=3Dtop><td bgcolor=3Dwhite><div align=3Dcenter><font size=3D1 face= =3D"sans-serif">Please respond to<br>[email protected]</font></div></= table><br><td width=3D59%><table width=3D100%><tr valign=3Dtop><td><div ali= gn=3Dright><font size=3D1 face=3D"sans-serif">To</font></div><td><font size= =3D1 face=3D"sans-serif">[email protected]</font><tr valign=3Dtop><td= ><div align=3Dright><font size=3D1 face=3D"sans-serif">cc</font></div><td><= tr valign=3Dtop><td><div align=3Dright><font size=3D1 face=3D"sans-serif">S= ubject</font></div><td><font size=3D1 face=3D"sans-serif">Re: Question abou= t multipathing on zDebian (Lenny)</font></table><br><table><tr valign=3Dtop><td><td></table><br></tab= le><br><br><br><tt><font size=3D2><br>Mark,<br><br> I am not familiar= with Debian, but if this was a SUSE or REDHAT instance,<br>I would say you need to run mkinitrd and zipl before your rebo= ot.<br><br><br>John<br><br><br><br><br><br>From: "= ;Wiggins, Mark" <[email protected]><br>To: &n= bsp; [email protected]<br>Date: 10/05/201= 0 01:37 PM<br>Subject: Question about multipathing on zDebian = (Lenny)<br>Sent by: Linux on 390 Port <[email protected].= edu><br><br><br><br>I hate to come and ask what I know is going to be a = simple answer, but I've<br>beat my head against the wall for long enough. I'm trying to add so= me<br>multipath'd devices to a Debian(Lenny) instance. I can get the = devices<br>configured properly,<br><br><br>mpath1 (360050768019281af7000000= 000000153) dm-1 IBM ,2145<br><br>[size=3D3.7G][features=3D0][= hwhandler=3D0]<br><br>\=5F round-robin 0 [prio=3D0][active]<br><br> \=5F 0:= 0:0:32 sde 8:64 [active][undef]<br><br> \=5F 0:0:1:32 sdf 8:80 = [active][undef]<br><br> \=5F 1:0:0:32 sdg 8:96 [active][undef]<br><br= > \=5F 1:0:1:32 sdh 8:112 [active][undef]<br><br>mpath0 (360050768019281af7= 000000000000152) dm-0 IBM ,2145<br><br>[size=3D3.7G][features= =3D0][hwhandler=3D0]<br><br>\=5F round-robin 0 [prio=3D0][active]<br><br> \= =5F 0:0:0:31 sda 8:0 [active][undef]<br><br> \=5F 0:0:1:31 sdb 8:16 = [active][undef]<br><br> \=5F 1:0:0:31 sdc 8:32 [active][undef]<= br> \=5F 1:0:1:31 sdd 8:48 [active][undef]<br><br>I just can't get th= ese definitions to hold across a reboot. I've tried<br>creating /etc/syscon= fig/hardware/config-ccw-0.0.a200<br>files,/usr/share/initramfs-tools/hooks/= multipath=5Fhook file, zipl commands,<br>update-initramfs commands, etc., b= ut I haven't found what it takes to make<br>these definitions hold across a= reboot. What am I missing besides writing<br>some kind of a script that ha= s to run after every reboot?<br><br>Mark Wiggins<br>University of Connectic= ut<br><br>My /etc/sysconfig/hardware/config-ccw-0.0.a200 looks like this,<b= r><br>#!/bin/sh<br><br>#<br><br># hwcfg-zfcp-bus-ccw-0.0.a200<br><br>#<br><= br># Configuration for the zfcp adapter at CCW ID 0.0.a200<br><br>#<br><br>= STARTMODE=3D"auto"<br><br>MODULE=3D"zfcp"<br><br>MODULE= =5FOPTIONS=3D""<br><br># Scripts to be called for the various eve= nts.<br><br># If called manually the event is set to 'up'.<br><br>SCRIPTUP= =3D"hwup-ccw"<br><br>SCRIPTUP=5Fccw=3D"hwup-ccw"<br><br= >SCRIPTUP=5Fscsi=5Fhost=3D"hwup-zfcp"<br><br>SCRIPTDOWN=3D"h= wdown-scsi"<br><br>SCRIPTDOWN=5Fscsi=3D"hwdown-zfcp"<br><br>= # Configured zfcp disks<br><br>ZFCP=5FLUNS=3D"0x50050768014035ee:0x001= f000000000000"<br><br>ZFCP=5FLUNS=3D"0x50050768014035d9:0x001f000= 000000000"<br><br>ZFCP=5FLUNS=3D"0x50050768014035ee:0x00200000000= 00000"<br><br>ZFCP=5FLUNS=3D"0x50050768014035d9:0x002000000000000= 0"<br><br><br><br>----------------------------------------------------= ------------------<br>For LINUX-390 subscribe / signoff / archive access in= structions,<br>send email to [email protected] with the message: INFO = LINUX-390 or<br>visit<br>http://www.marist.edu/htbin/wlvindex?LINUX-390<br>= ----------------------------------------------------------------------<br>F= or more information on Linux on System z, visit<br>http://wiki.linuxvm.org/= <br><br>-------------------------------------------------------------------= ---<br>For LINUX-390 subscribe / signoff / archive access instructions,<br>= send email to [email protected] with the message: INFO LINUX-390 or visit<br>http://www.marist.edu/htbin/wlvindex?LINUX-390<br>----------------= ------------------------------------------------------<br>For more informat= ion on Linux on System z, visit<br>http://wiki.linuxvm.org/<br><br></font><= /tt><img src=3Dcid:=5F1=5F06801874068001900062A15C852577B3><br><font face= =3D"sans-serif"><font face=3D"sans-serif, Arial, Helvetica" size=3D"-1" col= or=3D"#808080"><br>If you are not the intended addressee, please inform us = immediately that you have received this e-mail in error, and delete it. We = thank you for your cooperation. <br></br>=20 =20 </font></font> --=_alternative 0062A161852577B3_=-- --=_related 0062A15E852577B3_= Content-Type: image/gif Content-ID: <_1_06801874068001900062A15C852577B3> Content-Transfer-Encoding: base64 R0lGODlhEAAQAKECAMzMzAAAAP///wAAACH5BAEAAAIALAAAAAAQABAAAAIXlI+py+0PopwxUbpu ZRfKZ2zgSJbmSRYAIf4fT3B0aW1pemVkIGJ5IFVsZWFkIFNtYXJ0U2F2ZXIhAAA7 --=_related 0062A15E852577B3_=-- ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
