xischaune at yahoo
Feb 7, 2009, 5:53 AM
Post #4 of 4
(2193 views)
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hi
yeah...u r right...hav dropped the idea of disabling cluster takeover...waiting for support from u guys...
and about the serial number...well sorry guys im out of town...maybe when i get back...then will get back...
Thanx all
--- On Thu, 2/5/09, Fox, Adam <Adam.Fox [at] netapp> wrote:
> From: Fox, Adam <Adam.Fox [at] netapp>
> Subject: RE: NVRAM Battery Failure
> To: "Zeeshan" <xischaune [at] yahoo>, "Toasters List" <toasters [at] mathworks>
> Date: Thursday, February 5, 2009, 10:21 PM
> ONTAP intentionally will shut down a controller if an NVRAM
> card isn't
> being charged. This is for data protection. If you do not
> have power
> to your NVRAM card and a dirty shutdown were to occur, data
> loss could
> happen so the idea is to do a clean shutdown so that all
> dirty pages are
> written to disk. In the case of a cluster, being taken
> over is a great
> solution because the controller can keep running until you
> get a
> replacement NVRAM card and can give control back to the
> controller with
> a working NVRAM card.
>
>
>
> There are unsupported ways of stopping the shutdown
> behavior, but they
> are not published and not supported because of the data
> loss
> possibility. NetApp will not recommend or support running
> a controller
> in a config that, by design, could lose data. I strongly
> suggest
> running the cluster in takeover mode until the new card is
> in and
> charged. It's precisely for reasons like this that
> people buy clustered
> configurations, it removes single points of failure such as
> an NVRAM
> card.
>
>
>
> -- Adam Fox
> Systems Engineer
> adamfox [at] netapp
>
> From: Zeeshan [mailto:xischaune [at] yahoo]
> Sent: Wednesday, February 04, 2009 2:32 PM
> To: Toasters List
> Subject: NVRAM Battery Failure
>
>
>
> Hello all...
> recently i ran into a strange problem...i have a fas 3040
> in
> active-active configuration...everything running fine
> untill one fine
> morning the NVRAM charging stopped...the filer gave warning
> messages and
> then out of a sudden halted...and then the failover
> tookover the
> filer...
> now the problem is that i dont want the cluster to
> takeover...since
> netapp has promised replacements within 5 days...when i
> disable failover
> after some time, the filer automatically halts/shut down...
> how can i disable this auto shutting down...and has anybody
> else have
> this NVRAM charging failure??? reasons ofr this???
>
> Thanx
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