[Ocfs2-users] hardware needed for OCFS

[Luis Freitas]

Sean,

    Can you post more details about the problem you are having with OCFS2 and NFS?

Regards,
Luis

--- On Fri, 12/19/08, Sean Gray <seannoblegray at gmail.com> wrote:

> From: Sean Gray <seannoblegray at gmail.com>
> Subject: Re: [Ocfs2-users] hardware needed for OCFS
> To: "Sunil Mushran" <sunil.mushran at oracle.com>
> Cc: "lfreitas34 at yahoo.com" <lfreitas34 at yahoo.com>, "ocfs2-users at oss.oracle.com" <ocfs2-users at oss.oracle.com>
> Date: Friday, December 19, 2008, 1:33 PM
> /*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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> <mailto:Ocfs2-users at oss.oracle.com>
> >>>>>>> 
> >>>>>>>           
> >>>>
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> >>>>     
> >>>>>>>                 
> >>>>>>
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> >>>>>>             
> >>>>>      
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> >>>>>       
> >>> 
> >>>       
> >>>
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