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Re: DS14 (LRC) - ESH2 Modules? - iSCSI settings backup with SnapMirror?

 

 

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bormann at bbtel

Apr 8, 2011, 2:40 AM

Post #1 of 1 (920 views)
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Re: DS14 (LRC) - ESH2 Modules? - iSCSI settings backup with SnapMirror?

Hello Toaster,

thank you all very much for the prompt and lot of replies!

We where a bit confused, so we bought some DS14MK2 ESH2 Shelfs.

I connected the Shelfs, added a new Aggr and the two volumes we got,
root and vol0.
I setup SnapMirror for both and want to change in a downtime slot,
set the new root vol and rename the snapmirrored vol0.

But last time I played around with that - I realized that the iSCSI settings where
missing. Where are the iSCSI setting stored and how to backup, restore them?

Does someone know?

Thanks from Hamburg,

René



> Kennedy, Jeffrey <mailto:jkennedy [at] qualcomm>
> Mittwoch, 9. März 2011 17:47
>
>
> I remember a presentation on the failure topic at FAST 07 by Google. Here's the
> link in case anyone is interested.
>
> http://labs.google.com/papers/disk_failures.pdf
>
> Their correlation between temp and failure was interesting. Basically they found
> that high temperature is not a notable factor, but rather large fluctuations in
> temperature.
>
> An mildly interesting read unless you also like reading tech manuals, in which case
> you'll go banana's on it.
>
> Jeff Kennedy
> Qualcomm, Incorporated
> QCT Engineering Compute
> 858-651-6592
>
>
>
>
> -------------------------------------------------------------------------------------
>
> Woods, Mark <mailto:Mark.Woods [at] netapp>
> Dienstag, 8. März 2011 02:00
>
>
> Hi René,
>
> The technical marketing engineer for NetApp disk shelves says that replacing LRC
> modules with ESH2 modules in a DS14 shelf for use with Data ONTAP 7.3 will not be
> supported and, more importantly, will not work.
>
> I recommend that your replace the disk shelves and the hard disk drives, which must
> be at least five years old at this time. Manufacturers design enterprise HDDs for
> five years of operation. The rate of failure increases steadily and substantially
> past that age.
>
> For this reason, NetApp does not support disk shelves aged beyond five years.
>
> Best regards,
>
> Mark Woods
>
> Product Marketing Manager
> Solid State Products & Disk Shelves
> mark.woods [at] netapp
>
>
> -----Original Message-----
> From: Stefan Funke [mailto:bundy [at] usage]
> Sent: Monday, March 07, 2011 12:22 PM
> To: toasters [at] mathworks
> Subject: Re: DS14 (LRC) - ESH2 Modules?
>
>
> Possible, but may be unsupported:
>
>
> [Source:
> http://now.netapp.com/NOW/knowledge/docs/ontap/rel732/html/ontap/rnote/rel_notes/concept/c_oc_rn_feat73-DS14shelves.html]
>
> Systems including DS14 shelves, ESH modules or LRC modules are not
> supported Beginning with Data ONTAP 7.3, DS14 disk shelves, LRC storage
> I/O modules, and ESH storage I/O modules are no longer supported.
>
> Upgrading a system with any of these devices attached to it will result
> in an unsupported configuration. If even one of these devices is
> attached to your storage system, you should not upgrade to Data ONTAP
> 7.3 or later.
>
> Some models of the DS14 shelves, LRC modules, and ESH modules are no
> longer supported. This means that the following disk shelf
> configurations are no longer supported:
>
> ESH2 modules with DS14 disk shelves
> ESH modules with DS14 or DS14mk2 FC disk shelves
> LRC modules with DS14 or DS14mk2 FC disk shelves
>
>
>
> -------------------------------------------------------------------------------------
>
> Stefan Funke <mailto:bundy [at] usage>
> Montag, 7. März 2011 21:22
>
>
> Am 07.03.2011 12:46, schrieb René Bormann:
>
>
> Possible, but may be unsupported:
>
>
> [Source:
> http://now.netapp.com/NOW/knowledge/docs/ontap/rel732/html/ontap/rnote/rel_notes/concept/c_oc_rn_feat73-DS14shelves.html]
>
>
> Systems including DS14 shelves, ESH modules or LRC modules are not
> supported Beginning with Data ONTAP 7.3, DS14 disk shelves, LRC storage
> I/O modules, and ESH storage I/O modules are no longer supported.
>
> Upgrading a system with any of these devices attached to it will result
> in an unsupported configuration. If even one of these devices is
> attached to your storage system, you should not upgrade to Data ONTAP
> 7.3 or later.
>
> Some models of the DS14 shelves, LRC modules, and ESH modules are no
> longer supported. This means that the following disk shelf
> configurations are no longer supported:
>
> ESH2 modules with DS14 disk shelves
> ESH modules with DS14 or DS14mk2 FC disk shelves
> LRC modules with DS14 or DS14mk2 FC disk shelves
>
>
> -------------------------------------------------------------------------------------
>
> René Bormann <mailto:bormann [at] bbtel>
> Montag, 7. März 2011 12:46
>
>
> Hello all,
>
> we got some old DS14 Shelfs with LRC Modules.
>
> Is it possible to replace the LRC Modules with ESH2?
>
> Thanks from Hamburg,
>
> René
>
>
>
> -------------------------------------------------------------------------------------


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