Solved

CX500 expansion - adding a new DAE to existing installation

Posted on 2010-08-30
5
858 Views
Last Modified: 2013-11-14
Hi,

I am having problem connecting a 5th DAE to exisiting CX500. The FLARE code version is 02.24.500.5.011. I have tried to connect this new chassis on BUS0 as well as BUS1, but it just does not gets detected on either BUS.

On this same installtion, I have previously added the 3rd and 4th DAEs without any problem, after power on, once the cables are connected, the DAE shows up in the Navisphere.

But now when I am trying to add this 5th chassis, I am getting a message that the configuration has reached the MAX allowed limit. I think that CX500 should allow the 5th DAE.

Any help/ ideas are much appreciated.

Thanks,

Bill
0
Comment
Question by:bhunger
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
  • 2
5 Comments
 
LVL 30

Accepted Solution

by:
Duncan Meyers earned 500 total points
ID: 33563312
You're correct: a CX500 will support up to 120 drives or 8 enclosures.

According to emc175163, an array reboot will resolve your issue, one storage processor at a time. To do that with minimal disruption:

- Connect the new disk shelf. Double-check that the enclosure ID is unique on the loop. Also - make sure you balance the loops as best you can. You should have two enclosures on Loop 0 and two on Loop 1 at the moment.
- In Navisphere, put the array into Engineering mode (CTRL-SHIFT F12, password messner)
- Right-click on SPB. You'll see that you have a 'Reboot' option.
- Click on Reboot. Only Storage Processor B will reboot, while Storage Processor A will take up the workload
- Wait. The wait some more. The whole reboot cycle will take about 15 minutes. Be patient. You will see a red F in a circle in Navisphere - this is expected so don't panic.
- Wait until you see a blue T in a circle in Navisphere
- Repeat for SPA
- As your Navisphere connection is handled by SPA, you will see Navisphere drop out (it will show "Unmanaged" and no arrays). Don't panic! Give it 15 minutes and it should come back - click the Refresh button on the browser if it doesn't come back by itself.
- Exit Engineering mode. You can break lots of stuff from here if you're not careful, so don't muck about.

Done!

0
 

Author Comment

by:bhunger
ID: 33629783
Hi, Thanks for the detailed response.

Even though, I have two hbas configured with redundant paths, I still wanted to reboot the storage over the weekend, but I could not get the approval to do it this past weekend.
I am hoping to get the storage rebooted coming weekend and I will let you know of the outcome.

Thanks a bunch.
Bill
0
 
LVL 30

Expert Comment

by:Duncan Meyers
ID: 33632404
The reboot is non-disruptive - you can do one storage processor at a time - if you do it after hours, you'll be fine. Remember that you don't lose connectivity to the storage.
0
 

Author Closing Comment

by:bhunger
ID: 33809076
Thanks meyersd. Finally I managed to get a maintenance window. Did a reboot of both SPs and was able to see the new DAE.

Thanks!!!
0
 
LVL 30

Expert Comment

by:Duncan Meyers
ID: 33812085
Excellent! Glad I could help.
0

Featured Post

Free Tool: Path Explorer

An intuitive utility to help find the CSS path to UI elements on a webpage. These paths are used frequently in a variety of front-end development and QA automation tasks.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Dell xps8700 RAID or SAITA 4 70
DELL RAID MD 3260 Expansion 9 73
Home lab datacenter 9 163
How to search efficiently within zip files for specific file  or folder 6 119
This article is an update and follow-up of my previous article:   Storage 101: common concepts in the IT enterprise storage This time, I expand on more frequently used storage concepts.
Many businesses neglect disaster recovery and treat it as an after-thought. I can tell you first hand that data will be lost, hard drives die, servers will be hacked, and careless (or malicious) employees can ruin your data.
This video teaches viewers how to encrypt an external drive that requires a password to read and edit the drive. All tasks are done in Disk Utility. Plug in the external drive you wish to encrypt: Make sure all previous data on the drive has been …
This Micro Tutorial will teach you how to reformat your flash drive. Sometimes your flash drive may have issues carrying files so this will completely restore it to manufacturing settings. Make sure to backup all files before reformatting. This w…

730 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question