[Ocfs2-users] hardware needed for OCFS

[Sunil Mushran]

Why do you say that?

On Dec 19, 2008, at 4:59 AM, Sean Gray <sgray at bluestarinc.com> wrote:

> Note of caution. FWIW It is not recommended to mount OCFS2 volumes  
> via NFS.
> Sean N. Gray
>
>
>
> Luis Freitas wrote:
>>
>>   What I mean is that they have the full TCP/IP stack in them, and  
>> provide a SCSI interface to the kernel, so there is no additional  
>> CPU load using them.
>>
>>   One could instead of using a iSCSI adapter, use a common etherned  
>> adapter and mount the iSCSI target using a software driver. The  
>> main CPU would have the additional load of disassembling the TCP/IP  
>> packets and routing them.
>>
>>   Btw, I never actually used one of these boards.
>>
>> Regards,
>> Luis
>>
>>
>> --- On Fri, 12/19/08, David Coulson <david at davidcoulson.net> wrote:
>>
>>
>>> From: David Coulson <david at davidcoulson.net>
>>> Subject: Re: [Ocfs2-users] hardware needed for OCFS
>>> To: lfreitas34 at yahoo.com
>>> Cc: ocfs2-users at oss.oracle.com
>>> Date: Friday, December 19, 2008, 10:26 AM
>>> Typically I find folks use 'NAS" to refer to
>>> filesystem level sharing (NFS, Samba), and SAN for block
>>> level (FC, iSCSI).
>>>
>>> There are plenty of iSCSI HBAs (I've only used the ones
>>> from qlogic), however they don't 'simulate'
>>> anything - They're just a SCSI adapter with an iSCSI
>>> backend.
>>>
>>> Luis Freitas wrote:
>>>
>>>>   If your NAS can do iSCSI you could use it to provide
>>>>
>>> a shared block device.
>>>
>>>>   The performance wont be as good as a SAN as the data
>>>>
>>> has to go through the kernel TCP/IP stack, it can be
>>> comparable if you have a iSCSI IP accelerator board that
>>> simulates a hba.
>>>
>>>> Regards,
>>>> Luis
>>>>
>>>>
>>>> --- On Fri, 12/19/08, David Coulson
>>>>
>>> <david at davidcoulson.net> wrote:
>>>
>>>>
>>>>
>>>>> From: David Coulson <david at davidcoulson.net>
>>>>> Subject: Re: [Ocfs2-users] hardware needed for
>>>>>
>>>>
>>> OCFS
>>>
>>>>
>>>>> To: "Pete Kay" <petedao at gmail.com>
>>>>> Cc: ocfs2-users at oss.oracle.com
>>>>> Date: Friday, December 19, 2008, 9:57 AM
>>>>> OCFS2 requires a block device (local disk, direct
>>>>>
>>>>
>>> attached,
>>>
>>>>
>>>>> SAN), so it's not going to work with a NAS
>>>>>
>>>>
>>> (Samba, NFS, etc)
>>>
>>>>
>>>>> mount. You can, of course, share a OCFS2
>>>>>
>>>>
>>> filesystem using Samba or NFS.
>>>
>>>>
>>>>> Pete Kay wrote:
>>>>>
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> Does OCFS require NAS hardware to run or does
>>>>>>
>>>>>
>>>>
>>> normal
>>>
>>>>
>>>>>
>>>>>>
>>>>>>
>>>>> PC hard disk work?
>>>>>
>>>>>
>>>>>> Thanks,
>>>>>> Pete
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>> --- 
>>> --- 
>>> ------------------------------------------------------------------
>>>
>>>>
>>>>>
>>>>>
>>>>
>>> _______________________________________________
>>>
>>>>
>>>>>
>>>>>> Ocfs2-users mailing list
>>>>>> Ocfs2-users at oss.oracle.com
>>>>>>
>>>>>>
>>>>>
>>>>
>>> http://oss.oracle.com/mailman/listinfo/ocfs2-users
>>>
>>>>
>>>>>
>>>>>>
>>>>>>
>>>>> _______________________________________________
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>>>>>
>>>>>
>>>>
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>>>>
>>>
>>
>>
>>
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>
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