Upgrading CUCM 6.0.1(b) to 6.1.2 not booting

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Aug 30th, 2010
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We have a problem on upgrading CUCM 6.0.1(b) to 6.1.2.

Since 6.1.2 can be directly upgraded from 6.0, downloaded ISO image and completed the upgrade installation.

After the upgrade when restarting with the newer version the system not booting. Seems the raid configuration got erased? No Hard disk detecting.

Server is IBM, MCS 7825I2-K9-CMA2. Do anyone met with this issue?



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gogasca Fri, 09/03/2010 - 11:12
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Are you still able to boot 6.0 ?

Try recovery CD to very HD integrity

Check if CSCta43460    Critical BIOS Update for MCS 7825-I2 fails to boot after Oct 1, 2009


I recommend a TAC case on this one to take a look closely.


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