Not sure if you have done this already but install multipath as the os sees multiple presented luns which needs to be tied up to one by multipath also do not use the rh drivers for you qlogic it's not recommended at all for any storage solutions.
Per
At Fredag, 08-01-2010 on 6:29 "Paras pradhan" <pradhanparas@xxxxxxxxx> wrote:
Yes here is th o/p of fdisk -l. Two Luns are assigned. one of 323 G and another of 359 G as seen blow. sda is my local disk.
So do you think incorrect zoning can lead to this?
Thanks
Paras.
-----------------------------------------------------
[root@prd1 ~]# fdisk -l
Disk /dev/sda: 146.1 GB, 146163105792 bytes
255 heads, 63 sectors/track, 17769 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 33 265041 83 Linux
/dev/sda2 34 4210 33551752+ 82 Linux swap / Solaris
/dev/sda3 4211 6821 20972857+ 83 Linux
/dev/sda4 6822 17769 87939810 5 Extended
/dev/sda5 6822 17769 87939778+ 83 Linux
Disk /dev/sdb: 323.4 GB, 323459481600 bytes
255 heads, 63 sectors/track, 39325 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 1 2 16033+ 83 Linux
/dev/sdb2 3 39325 315861997+ 83 Linux
Disk /dev/sdc: 359.3 GB, 359399424000 bytes
255 heads, 63 sectors/track, 43694 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdc1 1 43694 350972023+ 83 Linux
Disk /dev/sdd: 323.4 GB, 323459481600 bytes
255 heads, 63 sectors/track, 39325 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdd1 1 2 16033+ 83 Linux
/dev/sdd2 3 39325 315861997+ 83 Linux
Disk /dev/sde: 323.4 GB, 323459481600 bytes
255 heads, 63 sectors/track, 39325 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sde1 1 2 16033+ 83 Linux
/dev/sde2 3 39325 315861997+ 83 Linux
Disk /dev/sdf: 359.3 GB, 359399424000 bytes
255 heads, 63 sectors/track, 43694 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdf1 1 43694 350972023+ 83 Linux
Disk /dev/sdg: 323.4 GB, 323459481600 bytes
255 heads, 63 sectors/track, 39325 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdg1 1 2 16033+ 83 Linux
/dev/sdg2 3 39325 315861997+ 83 Linux
Disk /dev/sdh: 323.4 GB, 323459481600 bytes
255 heads, 63 sectors/track, 39325 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdh1 1 2 16033+ 83 Linux
/dev/sdh2 3 39325 315861997+ 83 Linux
Disk /dev/sdi: 359.3 GB, 359399424000 bytes
255 heads, 63 sectors/track, 43694 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdi1 1 43694 350972023+ 83 Linux
Disk /dev/sdj: 323.4 GB, 323459481600 bytes
255 heads, 63 sectors/track, 39325 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdj1 1 2 16033+ 83 Linux
/dev/sdj2 3 39325 315861997+ 83 Linux
Disk /dev/sdk: 323.4 GB, 323459481600 bytes
255 heads, 63 sectors/track, 39325 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdk1 1 2 16033+ 83 Linux
/dev/sdk2 3 39325 315861997+ 83 Linux
Disk /dev/sdl: 359.3 GB, 359399424000 bytes
255 heads, 63 sectors/track, 43694 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdl1 1 43694 350972023+ 83 Linux
Disk /dev/sdm: 323.4 GB, 323459481600 bytes
255 heads, 63 sectors/track, 39325 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdm1 1 2 16033+ 83 Linux
/dev/sdm2 3 39325 315861997+ 83 Linux
On Thu, Jan 7, 2010 at 11:26 PM, Eero Volotinen <eero.volotinen@xxxxxx> wrote:
On 1/8/10 7:21 AM, Paras pradhan wrote:
>
>
> On Thu, Jan 7, 2010 at 11:08 PM, Eero Volotinen <eero.volotinen@xxxxxx> <mailto:eero.volotinen@xxxxxx>> wrote:Are you sure that you can see correct luns? check the size ?
>
> On 1/8/10 6:38 AM, Paras pradhan wrote:
> > My CentOS 5.4 box has a single HBA card with 2 ports connected to my
> > Storage. 2 Luns are assigned to my HBA card. Under /dev instead of
> > seeing 4 devices I can see 12 devices from sdb to sdm. I am using
> qlogic
> > driver that is bulitin to the OS. Has any one seen this kind of
> situation?
>
> Sounds like zoning problem ..
>
>
> Storage is HDS and the LUN type created was of type netware. I don't
> know why this type but my storage administrator said its correct. This
> might be an issue?
>
> Or if you can ellaborate how this is zoning problem it wud be great help.
--
Eero
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