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EMC Maintenance mode password

Posted on 2007-12-01
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Hi,

On one of our EMC CX3-40 storage we forgot the password of the only user we created. To reset we called support, they used a password to get into maintenance mode to re-set the security settings, with out changing any other configuration. Any one know what this password is?

Thanks,

Sreeram
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Question by:sreeram44
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by:Duncan Meyers
ID: 20392974
They will have used the EMCRemote user and password which is different for each array and was created when the EMC array was installed. There is no "super-user" as such. Support accessed http://<IP Address of SPA>/setup and reset the doain security from there. You can also access the same page by using a PPP session across the serial port on the back of each storage processor (the array was shipped with the serial cable - it is black and about 10m long - EMC installation engineers usually cable-tie it inside the rack somewhere). The PPP session does not require authentication.

There is a third way in to the OS of each storage processor and that is via EMCRemote which sets up a session similar to a Microsoft Terminal Services session. You need special software and an access code (a very closely guarded secret) to access this, though.
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by:sreeram44
ID: 20393567
We tried using setup screen, but it seems now it requires password.
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by:Duncan Meyers
ID: 20393736
That's correct - the only way around that is to connect to a Storage Processor via serial cable. Create a PPP session on your laptop, 115200K, 8, none, 1, this computer is the guest. Set the username and password to clariion, clariion!, then go to http://19.168.1.1/setup. Scroll down to find "Reset Domain Security" and reset it. Disconnect the PPP session and serial cable, open a web browser and point it to http://<IP address of SPA> (don't muck about in here! You can break the array if you don't know what you're doing). You'll be asked if you want to configure domain security, respond yes, then if a dialogue opens asking you to select the domain master, select the IP address of SPA, You'll then be able to set the administrator username and password (write it down!!). Note that you need physical access to the CLARiiON to perform this update. There is no 'backdoor' username and password available. The password your referring to above may be for Engineering mode - but this requires you to be logged in to Navisphere already.

The process to reset domain security is completely non-disruptive - it won't affect host I/O at all, but if you're not comfortable following the procedure, contact EMC Support.
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by:sreeram44
ID: 20396283
Thank You. I know engineering mode password.  To re-set domain security, it seems we need a password now. Before on old storage like CX300 etc, it was possible and it seems now it is not possible on new storage. Password is different for on same storage with different flare code versions it seems. Support Engineer typed the password over a webex session and then we reset the domain security. He mentioned that password is different for different versions of flarecode. He also mentioned that I can find the password, if I know how to find it. I searched for the password but not able to find it.
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Duncan Meyers earned 1000 total points
ID: 20399798
There is no master password. You *can* reset domain security via the serial port as detailed above - you will not be asked to provide authentication. All CLARiiON CX models (including CX200, 400, 600, 300, 500, 700 and the new CX3- range) require authentication if you use http://<SP IP Address/setup - so nothing has changed there. The work-around (or back door if you prefer) is to use the serial connection and http://192.168.1.1/setup where authentication is not required. That IP address (which is valid for both SPs) is only presented across a PPP connection on the serial port and is one of the methods you can use to get Navisphere management back if the array has a "senior's moment" (pretty rare these days).

EMC knowledgebase article emc55746 describes the process I outlined above in more detail.
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by:sreeram44
ID: 20403734
Thank You. I will test this next week and update this thread.

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by:Duncan Meyers
ID: 20468808
Glad I could help!
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