[Ocfs2-users] hardware needed for OCFS
Sean Gray
seannoblegray at gmail.com
Fri Dec 19 07:34:10 PST 2008
/*Please discontinue NFS exporting the OCFS2 volumes and advise us of
the resutls.
Thank you,
Dave.
STATUS:
=======
I am currently waiting on client to do actions.
Please update the TAR with a status when items are complete.
@CUS
David Nicholas
Enterprise Linux Support
Oracle Support Services*/
Sean Gray
Sunil Mushran wrote:
> Why do you say that?
>
> On Dec 19, 2008, at 4:59 AM, Sean Gray <sgray at bluestarinc.com
> <mailto: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 <mailto:david at davidcoulson.net>> wrote:
>>>
>>>
>>>> From: David Coulson <david at davidcoulson.net <mailto:david at davidcoulson.net>>
>>>> Subject: Re: [Ocfs2-users] hardware needed for OCFS
>>>> To: lfreitas34 at yahoo.com <mailto:lfreitas34 at yahoo.com>
>>>> Cc: ocfs2-users at oss.oracle.com <mailto: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 <mailto:david at davidcoulson.net>> wrote:
>>>>
>>>>>
>>>>>
>>>>>> From: David Coulson <david at davidcoulson.net <mailto:david at davidcoulson.net>>
>>>>>> Subject: Re: [Ocfs2-users] hardware needed for
>>>>>>
>>>> OCFS
>>>>
>>>>>> To: "Pete Kay" <petedao at gmail.com <mailto:petedao at gmail.com>>
>>>>>> Cc: ocfs2-users at oss.oracle.com <mailto: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
>>>>>>>
>>>>>>>
>>>>>>>
>>>> ------------------------------------------------------------------------
>>>>
>>>>>>
>>>>>>
>>>> _______________________________________________
>>>>
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>>>>>>> Ocfs2-users at oss.oracle.com <mailto:Ocfs2-users at oss.oracle.com>
>>>>>>>
>>>>>>>
>>>> http://oss.oracle.com/mailman/listinfo/ocfs2-users
>>>>
>>>>>>>
>>>>>>>
>>>>>> _______________________________________________
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>>>>>> http://oss.oracle.com/mailman/listinfo/ocfs2-users
>>>>>>
>>>>>>
>>>>>
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>>>>>
>>>>>
>>>
>>>
>>>
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