Server Is Not Showing Correct Size Lun After Remove And Add New Lun (Doc ID 2285915.1)

Last updated on SEPTEMBER 05, 2017

Applies to:

Linux OS - Version Oracle Linux 5.11 to Oracle Linux 6.9 with Unbreakable Enterprise Kernel [4.1.12] [Release OL5U11 to OL6U9]
Information in this document applies to any platform.

Goal


Customer reported to have 2 LUNs of 240GB shown for a Oracle cluster which are being recognized as 20 GB.
This is the second time that this happens, in the prior time we rebooted both nodes so that the disk would be recognized correctly, but this cluster is in production and we would not like to do that again.

Customer using EMC storage.

2 LUNs of 20 GB were removed and the new 240GB presented.

 

Below we can see the incorrect size :

 

Solution

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