Tag: multipath

Online resizing of ASM disks

  The SAN administrator has informed us that they have extended the disks. This is the information I had from our client. The disks were labelled: mpath_compellent_oraarch mpath_compellent_oraarch02 mpath_compellent_oraarch03   The original size of the disks were 300GB and they…

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Troubleshooting a Multipath Issue

Multipathing allows to configure multiple paths from servers to storage arrays. It provides I/O failover and load balancing. Linux uses device mapper kernel framework to support multipathing. In this post I will explain the steps taken to troubleshoot a multipath…

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