R: [Linux-cluster] device offlined

[German Staltari]

Baesso Mirko wrote:
> I've got 2 IBM server x336 
> 2 LSI logic dual fc card, 
> 	Fibre Channel: LSI Logic / Symbios Logic FC929X Fibre Channel Adapter
>      Subsystem: LSI Logic / Symbios Logic 7202-XP-LC Dual Fibre Channel card
>
> mptlinux-3.02.18
>   Fusion MPT base driver
>   Fusion MPT SCSI host driver
>
> 2 fibre switch EMulex EX355
> 1 Storage SAN Infortrend dual redundant controller A16F-R1211
>
> Thanks
>
> Baesso Mirko - System Engineer
> KSolutions.S.p.A.
> Via Lenin 132/26
> 56017  S.Martino Ulmiano (PI) - Italy
> tel.+ 39 0 50 898369 fax. + 39 0 50 861200
> baesso at ksolutions.it   http//www.ksolutions.it
>
> -----Messaggio originale-----
> Da: German Staltari [mailto:gstaltari at arnet.net.ar] 
> Inviato: lunedì 17 luglio 2006 19.33
> A: linux clustering
> Oggetto: Re: [Linux-cluster] device offlined
>
> Baesso Mirko wrote:
>   
>> Hi,
>>
>> could you please let me known how to avoid device offlined on 
>> multipath environment.
>>
>> I try to unplug primary fc channel for testing purpose but I receive a 
>> "scsi: device offlined" error. Even if I plug it back
>>
>> Please let me known
>>
>> I'm using latest multipath release 4.7 on redhat ES4 U2
>>
>>     
We have the same problem but we use Fedora Core 4 (custom kernel 2.6.16 
and multipath tools from the multipath web), QLogic HBA's and an IBM 
FasT SAN.
We couldn't figure out yet what's wrong.
German