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тАО11-17-2008 07:32 AM
тАО11-17-2008 07:32 AM
I/O errors on a LUN with LVM
me again...
i am working on a futur 2nd node for a futur cluster.
the system recognizes well the H/W paths for the LUN but i am unable to recreate the LVM as in the 1st machine.
I firstly took the ignite tape from the first machine, but it's seem to have corrupted the lvmtab ! therefor i removed all the informations about LVM (rm /dev/vgxx, cp lvmtab, rm /dev/(r)dsk/...) reboot, insf...etc...checked the WWN of the FC on the SAN with the array administrator.... but still doesn't work !!!
please have a look attached !
thx in advance for your help !
E.
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тАО11-17-2008 08:02 AM
тАО11-17-2008 08:02 AM
Re: I/O errors on a LUN with LVM
Are you getting I/O errors only for that particular LUN?
If it is for all LUNs then it should be some issue with storage part.
Ganesh.
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тАО11-17-2008 08:04 AM
тАО11-17-2008 08:04 AM
Re: I/O errors on a LUN with LVM
only for this LUN from this server....
on the first machine it 's working fine !
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тАО11-17-2008 08:12 AM
тАО11-17-2008 08:12 AM
Re: I/O errors on a LUN with LVM
Caution: pvcreate will make the data on this device unaccessible!
Hope this helps!
Regards
Torsten.
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тАО11-17-2008 11:51 AM
тАО11-17-2008 11:51 AM
Re: I/O errors on a LUN with LVM
the array is a EMC├В┬▓, but i don't know the model...
so maybe a vgimport from the 1st server will work, as it should become the 2nd node of a cluster ?
i just know that the admin before me did create (lot of) alternate pathes to the array from the 1st node because he had troubles as well !
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тАО11-20-2008 01:57 AM
тАО11-20-2008 01:57 AM
Re: I/O errors on a LUN with LVM
i'm just a dumb !
have you ever seen the same volume of an array seen by two machines in the same time ?
thanks for your help.
E.
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тАО11-22-2008 03:14 AM
тАО11-22-2008 03:14 AM
Re: I/O errors on a LUN with LVM
thx everybody