[PVE-User] disk move from local to LVM over iSCSI Failed

Lutz Willek l.willek at science-computing.de
Mon Oct 28 09:35:14 CET 2013


Hi Gerald,

adapt your LVM configuration to reflect this issue,  it seems LVM device 
scanning finds more than one device with the same ID.

check: pvscan (returning with error messages during the scan)

if so, please read:

https://access.redhat.com/site/documentation/de-DE/Red_Hat_Enterprise_Linux/6/html/DM_Multipath/multipath_logical_volumes.html

https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html-single/Logical_Volume_Manager_Administration/index.html#lvm_filters

Adapt your LVM Filters only to read the uCARP/DRBD interface or 
blacklist the other interfaces, then check again. pvscan should not find 
any duplicate UUID's any more.

hth, Regards,

Lutz

Am 25.10.2013 17:54, schrieb Gerald Brandt:
> I have 3 potential paths to the same iSCSI unit
>
> 1. management interface  (10.1.50.1)
> 2. iSCSI interface       (192.168.20.1)
> 3. uCARP/DRBD interface  (192.168.20.100)
>
> I connect to the iSCSI via the 192.168.20.100 interface, which floats to the primary DRBD server (failover/ha)
>
> Gerald
>
>
> ----- Original Message -----
>> From: "Dietmar Maurer" <dietmar at proxmox.com>
>> To: "Gerald Brandt" <gbr at majentis.com>, pve-user at pve.proxmox.com
>> Sent: Friday, October 25, 2013 10:16:13 AM
>> Subject: RE: disk move from local to LVM over iSCSI Failed
>>
>> Why do you have such 'duplicate PV' Warnings?
>>
>>> The copy went through, completeing to 100%, I've attached the log.
>>>   The copy
>>> failed on 'remove ioctl'.  Now I have an active working drive on
>>> local, and a
>>> duplicate drive on the iSCSI, and I can't remove the iSCSI drive.
>>>
>>> Any help appreciated.
>>>
>>> Gerald
>>
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Freundliche Grüße / Best Regards

         Lutz Willek

-- 
________________________________creating IT solutions
Lutz Willek                     science + computing ag
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IT Services Berlin              Friedrichstraße 187
phone +49(0)30 2007697-21       10117 Berlin, Germany
fax   +49(0)30 2007697-11       www.science-computing.de

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