ASM

Adding New SAN Disks to ASM for OCR Disk Group

Recently we had to migrate our ASM disks to a new SAN.  In this particular post we’ll take a look at the steps we went through for the diskgroup that is used by our Oracle RAC servers for the Oracle Cluster Registry (OCR) and the voting files.  The environment is Oracle database 11.2.0.3 on Oracle Linux 6.4.  This particular diskgroup (we’ll call it OCR) was originally created with 3 disks with normal redundancy.  We provisioned 3 new LUNS from our new SAN to replace the current OCR disks. Note: The original disks were named VOL1 – VOL3 while the new ones…
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RMAN Duplicate Error with ASM and 4k Sector Size Disk

The Problem I recently ran into an issue when performing a RMAN duplicate on a server with a fresh installation of OEL 6.4 x86-64 using a brand new SAN (NetApp Data ONTAP 8.2).  The database version is Enterprise Edition 11.2.0.3. The datafiles restored without an issue but when we got to those archived redo logs I hit an ORA-00600.  Specifically it was this error. At first I chalked it up as a fluke, so I tried the RMAN duplicate again.  Well the datafiles restored just fine but once again when I got to the archived redo logs I hit the ORA-00600…
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