Troubleshooting ASM Proxy instance startup

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Recently, I had trouble starting ASM proxy instance on one of the nodes in my  2 node flex cluster having nodes host01 and host02. As a result I could not access the volume I created on an ASM  diskgroup.  This post explains  how I resolved it.

While connected to host01, I created a volume VOL1 on DATA diskgroup with corresponding volume device /dev/asm/vol1-106 .

[grid@host01 root]$ asmcmd volcreate -G DATA -s 300m VOL1

[grid@host01 root]$ asmcmd volinfo  (more...)