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Re: [dm-devel] Missing path



On Tue, 2008-03-11 at 14:53 +0100, Domenico Viggiani wrote:

That is weird. Any other error messages in /var/log/messages ?

Anyways, you can try this

echo - - - > /sys/class/scsi_host/host0/scan

chandra
> After adding a LUN from a EMC Clariion CX700 to a system with already many
> of these, I noticed that multipath doesn't see a path:
> 
> 360060160eb241700284f88a159efdc11
> [size=450 GB][features="1 queue_if_no_path"][hwhandler="1 emc"]
> \_ round-robin 0 [prio=1][enabled]
>  \_ 1:0:0:70  sdbo 68:32  [active][ready]
> \_ round-robin 0 [enabled]
>  \_ 0:0:3:70  sdbn 68:16  [active][ready]
>  \_ 1:0:1:70  sdbp 68:48  [active][ready]
> 
> >From SCSI layer, it is OK:
> 
> Host: scsi0 Channel: 00 Id: 02 Lun: 70
>   Vendor: DGC      Model: RAID 5           Rev: 0219
>   Type:   Direct-Access                    ANSI SCSI revision: 04
> Host: scsi0 Channel: 00 Id: 03 Lun: 70
>   Vendor: DGC      Model: RAID 5           Rev: 0219
>   Type:   Direct-Access                    ANSI SCSI revision: 04
> Host: scsi1 Channel: 00 Id: 00 Lun: 70
>   Vendor: DGC      Model: RAID 5           Rev: 0219
>   Type:   Direct-Access                    ANSI SCSI revision: 04
> Host: scsi1 Channel: 00 Id: 01 Lun: 70
>   Vendor: DGC      Model: RAID 5           Rev: 0219
>   Type:   Direct-Access                    ANSI SCSI revision: 04
> 
> but one device is missing under /dev:
> 
> brw-rw----  1 root disk 68,  16 Mar 11 14:44 /dev/sdbn
> brw-rw----  1 root disk 68,  32 Mar 11 14:45 /dev/sdbo
> brw-rw----  1 root disk 68,  48 Mar 11 14:45 /dev/sdbp
> 
> How can I fix this?
> 
> Thanks in advance
-- 

----------------------------------------------------------------------
    Chandra Seetharaman               | Be careful what you choose....
              - sekharan us ibm com   |      .......you may get it.
----------------------------------------------------------------------



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