[ExchangeList] Re: OT: NetApp
- From: "Andrew Hancock" <andrew.hancock@xxxxxxxxxxxxxxxxxxxxxxx>
- To: <exchangelist@xxxxxxxxxxxxx>
- Date: Thu, 19 Jul 2007 19:35:44 +0100
http://www.msexchange.org
-------------------------------------------------------One thing I would say,
NetApp Filers' when using Snapshots, is a licence to
print money (or disc storage).
We migrated from a single Exchange 5.5 Server with a database of 80GB, for
3,500 users, to three Active/Passive Cluster nodes, EVS1, EVS2 and EVS3, two
stores on each EVS, using SnapManager for Exchange for Backup, and NetApp
Single Mailbox Recovery, our current allocation of storage is approx 1.2TB,
with all the snpshots were keeping for user mailbox restores.
But we would have it any other way. We are using iSCSI throughout for
cluster and Database LUNs, as we've moved from HP FC SANs, as it was too
expensive for the FC. We've got 3020s, clustered, and a single 3020 at a DR
site, we use SnapMirror to Mirror the volumes at night.
Fantastic solution.
There is a current NetApp Seminar in London on the 25th July 2007, NetApp on
Exchange, let me know, if you are in the UK. I'll send you the details.
Andrew
>-----Original Message-----
>From: exchangelist-bounce@xxxxxxxxxxxxx
[mailto:exchangelist-bounce@xxxxxxxxxxxxx] On
>Behalf Of Irwan Hadi
>Sent: 19 July 2007 00:52
>To: exchangelist@xxxxxxxxxxxxx
>Subject: [ExchangeList] Re: OT: NetApp
>
>http://www.msexchange.org
>-------------------------------------------------------We are currently
running two Exchange 2003
>on two NetApp FAS270 at two
>different sites using Fibre Channel and boot from SAN, and pretty
>happy with it in terms of performance.
>I found that it has much better performance than our EMC CX300 when we
>benchmark using Exchange JetStress.
>
>The best way to learn this appliance is to download and read its
>manual (which are pretty easy to follow and well documented). You can
>get it at https://now.netapp.com
>NetApp also has an ONTAP simulator that you can download, in case you
>want to be more familiar with it.
>You can also read some best practices that Netapp has at
>http://www.netapp.com/library/tr/fulllib?v=n
>
>In essence once you know a rough guess of how many users you have, and
>how big your Exchange database will be, you need to setup your
>aggregate with enough disk, then setup a flexible volume (eg:
>exchange1vol), then disable the automatic snapshot for this volume,
>then setup your igroup (lun masking), then carve up your LUN, and
>associate the LUN with the igroup.
>
>Our FAS270 with 11 data disks, 2 parity, and 1 spare can easily handle
>up until about 4000 IO /sec (verified both by running sysstat -u 1
>within the filer, and using Windows Performance Monitor during
>Exchange online defragmentation. Exchange online defrag usually is
>pure random read)
>
> CPU Total Net kB/s Disk kB/s Tape kB/s Cache Cache CP CP Disk
> ops/s in out read write read write age hit time ty util
> 51% 4832 0 0 26596 0 0 0 1 99% 0% - 53%
> 39% 2518 0 1 19317 787 0 0 1 98% 29% T 68%
> 41% 3320 0 0 20072 0 0 0 1 98% 0% - 71%
> 44% 3928 0 0 24284 0 0 0 1 98% 0% - 66%
> 38% 2534 0 0 17900 0 0 0 1 98% 0% - 71%
> 38% 3060 0 0 17280 0 0 0 1 98% 0% - 67%
> 38% 2898 0 0 17411 0 0 0 1 98% 0% - 50%
> 42% 3606 0 0 20536 0 0 0 1 98% 0% - 60%
> 47% 4424 0 0 24128 0 0 0 1 99% 0% - 58%
> 44% 3972 0 0 21784 0 0 0 1 99% 0% - 61%
> 39% 2889 0 0 19224 0 0 0 1 98% 0% - 56%
> 37% 2196 0 0 16484 1502 0 0 1 97% 46% T 67%
>
>
>Although snapshot creation in NetApp is instant and does not take any
>resources, you need to disable the automatic snapshot, as you want to
>ensure that everything has been flushed to disk, before you do
>snapshot.
>
>We setup one flex volume for our server, and within that volume we
>have three LUNs (Server system LUN (20 GB - 30 GB), exchange log LUN
>(50 GB to 100 GB), and exchange data LUN (200 GB and above)
>With this, if we have more users, we can always extend our exchange
>log LUN or exchange data LUN.
>
>Overall the config are pretty straightforward. Nothing
>special/specific that you have to tune.
>
>Let me know if you have further questions.
>
>On 7/18/07, John B <brookboyz1403@xxxxxxxxx> wrote:
>> http://www.msexchange.org
>> -------------------------------------------------------All,
>>
>> Is anyone using NetApp with their Exchange boxes? If you are can you
please shoot me
>some links or point me in the direction where I can learn about this
appliance?
>>
>> Thank you,
>>
>> ________________
>> John Bowles
>>
>>
>>
>>
>>
>>
>>
>>
>>
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