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New DAE install: ANy concerns installing during business hours?
We have a new DAE being installed on our CX4-240. (15 x 1TB SATA). The EMC engineer has scheduled the install during the day. I know that the storage processors typically do not need to be rebooted during the addition of a new enclosure but I wanted to see if there are any other concerns with perfomring this install during business hours?
Thanks for sharing any thoughts!
dynamox
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August 30th, 2012 06:00
very similar discussion only with VNX
https://community.emc.com/message/658978#658978
AnkitMehta
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August 30th, 2012 07:00
We always suggest installation by EMC Tech. However, as dynamox mentioned in other thread yes, if you are confident enough you can go ahead and definitely install the DAE by yourself.
Step by Step instructions are provided in Procedure Generator with the Checklist before the install.
If you require any documentation or help before the install you may also contact our Live Chat Support.
RRR
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August 31st, 2012 03:00
This is nondisruptive (as all storage expansions should be), so no worries there
dynamox
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August 31st, 2012 04:00
double &*^&^%^&% drive failure in the same raid group, rg is toast.
RRR
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August 31st, 2012 04:00
You mean DAE, right? DEA is drug related
RRR
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August 31st, 2012 04:00
Hmmmm... I don't know. What?
dynamox
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August 31st, 2012 04:00
i would still be cautious, i never thought double drive failure in the same raid group would happen to me, guess what happened to me the other day ?
bartdonders
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August 31st, 2012 04:00
Don't worry about this action during business hours. I never had any problems with DEA installation on a running CX.
RRR
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August 31st, 2012 04:00
I never had the DEA visit me when I added a new DAE to any of my arrays
AnkitMehta
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August 31st, 2012 06:00
Like it said in 1917....Lucky Strike - It's toasted!
dynamox
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September 4th, 2012 20:00
regional director of support was calling and apologizing, not a good moment for EMC when data lost happens.
RRR
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September 5th, 2012 02:00
I'm sure you were simply stressing your RAID group too much so the rebuild couldn't be fast enough. By the way, was this rebuild set to ASAP or LOW ?
dynamox
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September 5th, 2012 03:00
this is an integrated Celerra (NS80) where raid groups, LUNs were provisioned by Celerra templates so i did not have any control over that. As far as the raid group being stressed too much, not really ..it was the end of the day where everybody has gone home, backups were not running yet. I was hoping Clariion had more intelligence to detect bad sectors, typically it does initiate proactive hot sparing. Why it did not trigger for this raid group i will never know.
AnkitMehta
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September 5th, 2012 08:00
DFRG's are disasterous at times! One simply doesn't have control over it at times.
Well I do not have much information on your case but whenever I get DFRG's I make sure I configure the call home template and Email Notifications or it is configured properly.so that henceforth my customer have a choice to avoid it and he is alerted!
dynamox
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September 5th, 2012 09:00
not sure what you are saying here, box is configed in ESRS.