Hi Michael, Looks a lot like your LVM is not blacklisting /dev/sda devices. You have to edit /etc/lvm/lvm.conf and instruct LVM to not bind to /dev/sd*.
More info on http://publib.boulder.ibm.com/infocenter/lnxinfo/v3r0m0/index.jsp?topic=/liaai/multiBcs/liaaimpbsclvm.htm Mauro http://mauro.limeiratem.com - registered Linux User: 294521 Scripture is both history, and a love letter from God. On Tue, Mar 29, 2011 at 12:53 PM, Michael Simms <simmsmichael1...@yahoo.com>wrote: > Help! If anyone has the type of environment described below and has it > working, > please share with us, if you can, how you configured things. If anyone has > any > advice, any advice, we welcome it! > > Our environment is: > > -SAN - EMC CLARiiON CX4-960 > -Mainframe z10 > -HBA - 2 zFCP > -Switches - 2 Brocade, between z10 and SAN > -Operating Systems - zVM 6.1 with zLinux SLES 11 SP1 > -Contents of /etc/multipath.conf > hma-mf-lin12:/ # cat /etc/multipath.conf > *****StartOfFile***** > devices { > > # Device attributed for EMC CLARiiON > > device { > > vendor "DGC" > > product "*" > > prio_callout "/sbin/mpath_prio_alua /dev/%n" > > getuid_callout "/lib/udev/scsi_id -g -u -d /dev/%n" > > features "1 queue_if_no_path" > > path_checker directio > > failback immediate > > hardware_handler "1 alua" > > } > >} > >multipaths{ > >} > *****EndOfFile***** > -Partial /etc/sysconfig/kernel > ## Path: System/Kernel > >## Description: > >## Type: string > >## Command: /sbin/mkinitrd > ># > ># This variable contains the list of modules to be added to the initial > ># ramdisk by calling the script "mkinitrd" > ># (like drivers for scsi-controllers, for lvm or reiserfs) > ># > >INITRD_MODULES="jbd ext3 zfcp dm-multipath" > -For simplicity's sake, I am including 1 lun as an example. Below are > selected > entries from the startup log. > (Underlines are mine): > > Booting default (SLES11_SP1V1)... > >... > >io scheduler noop registered > >io scheduler anticipatory registered > >io scheduler deadline registered (default) > >io scheduler cfq registered > >... > >Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254) > >... > >doing fast boot > >SCSI subsystem initialized > >device-mapper: uevent: version 1.0.3 > >device-mapper: ioctl: 4.15.0-ioctl (2009-04-01) initialised: > dm-de...@redhat.com > >device-mapper: multipath: version 1.1.0 loaded > >Creating device nodes with udev > >udevd version 128 started > >udevd-event[154]: device node '/dev/mapper/control' already exists, link > to > >'/dev/device-mapper' will not overwrite it > >-------------------- 7 line(s) not displayed -------------------- > >device-mapper: multipath round-robin: version 1.0.0 loaded > >emc: device handler registered > >hp_sw: device handler registered > >rdac: device handler registered > >alua: device handler registered > >-------------------- 3 line(s) not displayed -------------------- > >Setup multipath devices: ok. > >-------------------- 12 line(s) not displayed -------------------- > >Copying static /dev content > >..done" > >-------------------- 2 line(s) not displayed -------------------- > Starting udevd: > >udevd version 128 started > >..done"" > >Loading drivers, configuring devices: > >scsi0 : zfcp > >qdio: 0.0.4500 ZFCP on SC 0 using AI:1 QEBSM:1 PCI:1 TDD:1 SIGA: W AO > >scsi 0:0:3:0: Direct-Access DGC RAID 10 0430 PQ: 0 ANSI: > 4 > >scsi 0:0:3:0: emc: detected Clariion CX4-960, flags 0 > >scsi 0:0:3:0: emc: ALUA failover mode detected > >scsi 0:0:3:0: emc: connected to SP A Port 4 (owned, default SP A) > >zfcp.747e7d: 0.0.4500: LUN 0x6000000000000 on port 0x500601643b202b41 is > already > >in use by CSS0, MIF Image ID 1 > >-------------------- 3 line(s) not displayed -------------------- > >scsi1 : zfcp > >-------------------- 2 line(s) not displayed -------------------- > >qdio: 0.0.4600 ZFCP on SC 1 using AI:1 QEBSM:1 PCI:1 TDD:1 SIGA: W AO > >-------------------- 1 line(s) not displayed -------------------- > >scsi 1:0:3:0: Direct-Access DGC RAID 10 0430 PQ: 0 ANSI: > 4 > >scsi 1:0:3:0: emc: detected Clariion CX4-960, flags 0 > >scsi 1:0:3:0: emc: ALUA failover mode detected > >scsi 1:0:3:0: emc: connected to SP A Port 6 (owned, default SP A) > >sd 0:0:3:0: [sda] 1048576000 512-byte logical blocks: (536 GB/500 GiB) > >sd 0:0:3:0: [sda] Write Protect is off > >sd 0:0:3:0: [sda] Write cache: disabled, read cache: enabled, doesn't > support > >DPO or FUA > > sda: sda1 > >sd 1:0:3:0: [sdb] 1048576000 512-byte logical blocks: (536 GB/500 GiB) > >sd 1:0:3:0: [sdb] Write Protect is off > >sd 1:0:3:0: [sdb] Write cache: disabled, read cache: enabled, doesn't > support > >DPO or FUA > >sd 0:0:3:0: [sda] Attached SCSI disk > > sdb: sdb1 > >sd 1:0:3:0: [sdb] Attached SCSI disk > >-------------------- 2 line(s) not displayed -------------------- > >sd 0:0:3:0: Attached scsi generic sg0 type 0 > >sd 1:0:3:0: Attached scsi generic sg1 type 0 > >-------------------- 29 line(s) not displayed -------------------- > >..doneSetting up the System ClockThu Mar 24 18:23:50 EDT 2011"" > >..done"" > >..done"" > >Activating device mapper..."" > >..done"" > >Loading required kernel modules"" > >..doneCreating multipath targets:Mar 24 18:23:51 |sdb: emc prio: path not > >correctly configured for failover"" > >Mar 24 18:23:51 | sdb: emc prio: path not correctly configured for > failover"" > >Mar 24 18:23:51 | DM message failed [queue_if_no_path"" > >]"" > > (waiting for udev)..done"" > >Waiting for udev to settle..."" > >Scanning for LVM volume groups..."" > > Reading all physical volumes. This may take a while..."" > > Found duplicate PV nKTbzlk3XKmCNSegm50mK5LqnJgfo1sv: using /dev/sdb1 not > >/dev/sda1"" > > Found volume group "VGClinDoc" using metadata type lvm2"" > >Activating LVM volume groups..."" > > Found duplicate PV nKTbzlk3XKmCNSegm50mK5LqnJgfo1sv: using /dev/sdb1 not > >/dev/sda1"" > > > So, I am unable to get a clean startup using SuSE SLES 11 SP1. We did work > through and get SuSE SLES 10 SP3+ working, after months of > work/testing/questions. In this startup instance, the system reversed the > 'available' disk to "sdb1". Odd, should have been "sda1". > > I don't know what to try next. > > Your help is greatly appreciated. > > Regards and Thanks, > Michael > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to lists...@vm.marist.edu 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 lists...@vm.marist.edu 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/
