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5105
June 11th, 2012 11:00
Is there a guide to adding additional DAEs to an existing VNX5300?
Hello,
We currently own a VNX5300 with two DAEs. We've purchased a third DAE to add.
However, we only recieved the DAE, the disks, SAS cables, and power cables. (No instructions, unlike the handy blue binder and CDs with got with the initial VNX.)
So could anyone point me to a guide to follow for up grades?
I'm guessing that I just need to put the VNX in some form of maintenance mode, and then daisy chain the new DAE in with the SAS cables? (That is to say, run cables from our DPE to the first expansion DAE, run cables form our first expansion DAE to our second expansion DAE, and then run cables from our second expansion DAE to the DPEs?)
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Twosteps1
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June 11th, 2012 12:00
That is awesome. Thanks!
dynamox
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June 11th, 2012 12:00
try this procedure: https://mydocs.emc.com/VNX/requestMyDoc.jsp
AzNY_df58ce
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July 10th, 2012 12:00
Have you added the new DAE yet? Did it require Storage Processor reboot ? I am in the same exact boat. Looking to add a new DAE to already existing VNX5300 setup. I can't stop I/O to the SAN as document for SP reboot since this is the only SAN we have in production.
AzNY_df58ce
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July 10th, 2012 13:00
I have the guide: Document ID - 1340008380895. I did read it, and according to it SPs require a reboot. So I was asking if that was the case when you added your DAE into the setup? Did USM ask/rebooted the SPs ?
I have number of VMs that i can not afford downtime for (at least not with out scheduling something 3-4 weeks ahead of time) ;(.
GearoidG
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July 10th, 2012 13:00
You mean this link? http://mydocs.emc.com/VNX/DownloadResultServlet?resultId=1340008380895
So the section I think you are referring to is
>>
If you are told to use the Back-end Bus Speed Reset Wizard in Unisphere:
a. Before continuing, stop all I/O to the storage system because the wizard reboots both
SPs.
b. In Unisphere, select System > Hardware, and under the System Management task list,
select Back-end Bus Speed Reset Wizard.
c. Follow the instructions to change the back-end bus speed.
>>
This doesnt really apply to VNX's as all the backend bus always work at 6gb
Even on a CX4 this would be unusual
You need to download USM to help you to do it
Gearoid
dynamox
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July 10th, 2012 13:00
it should not require SPs to be rebooted. It does require SPs to be rebooted if you are changing back-end bus speed, but as far as i know VNX support only 6G SAS DAEs ..so i don't see why one would need to change it and to what value ?
On older CX models you could chagne bus speed from 4G to 2G if you wanted to install older models of DAEs.
Rainer_EMC
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July 10th, 2012 13:00
Thats what USM is for
Twosteps1
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July 10th, 2012 13:00
The link listed above: https://mydocs.emc.com/VNX/requestMyDoc.jsp
Helps you create a guide.
RRR
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July 11th, 2012 00:00
that's exactly what Dynamox said earlier
AzNY_df58ce
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July 11th, 2012 14:00
Reporting back.
I pulled the plug, meaning attached the new DAE and followed USM's guide. DAE connected fine, no reboots and it worked right away.
Thanks guys and girls.
RRR
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July 12th, 2012 02:00
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