[Linux-cluster] EFI in CLVM

Keith Schincke keith.schincke at gmail.com
Fri Aug 12 16:49:09 UTC 2011


I have used multiple >2T physical volumes in my large cluster.
Do you have clvmd running and does your LVM have the cluster flag turned on?

On Fri, Aug 12, 2011 at 11:24 AM, Paras pradhan <pradhanparas at gmail.com> wrote:
> Does it mean that I don't need mpath0p1 ? If its the case i don't need to
> run kpartx on mpath0?
> And not having mpath0p1 will take away this device mapper ioctl failed issue
> when creating lvcreate?
> I am really confused why this lock has failed , also not sure if this is
> related to this >2TB LUN.
> Paras.
>
> On Fri, Aug 12, 2011 at 11:09 AM, Keith Schincke <keith.schincke at gmail.com>
> wrote:
>>
>> Your physical volume can be a whole disk (mpath0) or a partition
>> (mpath0p1). I use the partition schema as blank disks could be accidentally
>> used by a follow on admin who does not fully understand the system
>> configuration.
>> Keith
>>
>> Sent from my iPhone
>> On Aug 12, 2011, at 10:14, Paras pradhan <pradhanparas at gmail.com> wrote:
>>
>>
>>
>> On Fri, Aug 12, 2011 at 7:39 AM, Alan Brown <ajb2 at mssl.ucl.ac.uk> wrote:
>>>
>>> Paras pradhan wrote:
>>>>
>>>> Hi,
>>>>
>>>> I have a 2199GB LUN assigned to my 3 node cluster. Since its >2TB, I
>>>> used
>>>> parted to create the EFI GPT parittion. After that pvcreate and vgcreate
>>>> were successfull but I get the following error when doing lvcreate.
>>>>
>>>
>>> If the entire LUN is a PV then you don't need to partition it.
>>
>> You mean don't use parted or any and directly proceed to pvcreate?
>>
>>
>>>
>>>
>>>
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