[SLE] Problems with lvm2 / devive mapper

Dirk.Laurenz_at_fujitsu-siemens.com
Date: 05/30/05

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    Date: Mon, 30 May 2005 10:36:42 +0200
To: <suse-linux-e@lists.suse.com>, <linux-lvm@redhat.com>

    Hello everbody,

    i'm having problems setting up lvm2.

    creating a a new vg works fine:

            pvcreate /dev/sdb1 /dev/sdc1
            vgcreate -s 64M vgEQ51fs /dev/sdc1 /dev/sdb1

    but lvcreate

            lvcreate -n lvsapdbQ51sapdata -L 100G vgEQ51fs

    rises this dmesg output:

            hgesst40:~ # dmesg | tail -n 10
            eth0: no IPv6 routers present
            bond0: no IPv6 routers present
            mtrr: type mismatch for d0000000,1000000 old: uncachable new: write-combining
            device-mapper: : dm-linear: Device lookup failed
            device-mapper: error adding target to table
            device-mapper: : dm-linear: Device lookup failed
            device-mapper: error adding target to table

    doing an mkfs.xfs produces this failure:

            hgesst40:~ # mkfs.xfs /dev/vgEQ51fs/lvsapdbQ51sapdata
            can't get size of data subvolume
            Usage: mkfs.xfs
            /* blocksize */ [-b log=n|size=num]
            /* data subvol */ [-d agcount=n,agsize=n,file,name=xxx,size=num,
                                (sunit=value,swidth=value|su=num,sw=num),
            [...]

    but lvscan find's the volume:
            hgesst40:~ # lvscan
                      ACTIVE '/dev/vgEQ51fs/lvsapdbQ51sapdata' [100.00 GB] next free (default)
                      ACTIVE '/dev/vgOS/lvusrfs' [3.00 GB] next free (default)
            [...]

    Here're some info's on the system:
            
            SuSE Linux Enterprise Server 9 (x86_64)
            Service Pack 1
            device-mapper-1.00.19-2.2
            lvm2-2.00.15-0.8
            kernel-smp-2.6.5-7.139
            kernel-smp-2.6.5-7.147
            Linux hgesst40 2.6.5-7.139-smp #1 SMP Fri Jan 14 15:41:33 UTC 2005 x86_64 x86_64 x86_64 GNU/Linux

    The kernel -139 is running because it's the latest sap certified kernel.

    However, creating an ext2 fs on /dev/sdb1 works fine.

            hgesst40:~ # mke2fs /dev/sdb1
            mke2fs 1.34 (25-Jul-2003)
            Filesystem label=
            OS type: Linux
            Block size=4096 (log=2)
            Fragment size=4096 (log=2)
            26214400 inodes, 52428119 blocks
            2621405 blocks (5.00%) reserved for the super user
            First data block=0
            1600 block groups
            32768 blocks per group, 32768 fragments per group
            16384 inodes per group
            Superblock backups stored on blocks:
            32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
            4096000, 7962624, 11239424, 20480000, 23887872

            Writing inode tables: done
            Writing superblocks and filesystem accounting information:
            done

            This filesystem will be automatically checked every 27 mounts or
            180 days, whichever comes first. Use tune2fs -c or -i to override.

    has anyone an idea, how to solve this issue?

    Mit freundlichem Gruß,

    Dirk Laurenz
    Systems Engineer

    Fujitsu Siemens Computers
    S CE DE SE PS N/O
    Sales Central Europe Deutschland
    Professional Service Nord / Ost

    Hildesheimer Strasse 25
    30880 Laatzen
    Germany

    Telephone: +49 (511) 84 89 - 18 08
    Telefax: +49 (511) 84 89 - 25 18 08
    Mobile: +49 (170) 22 10 781
    Email: mailto:dirk.laurenz@fujitsu-siemens.com
    Internet: http://www.fujitsu-siemens.com
                http://www.fujitsu-siemens.de/services/index.html
    *******************************************************************************************************************
      

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