Oracle ASM disk..mounting but no IO on DMX-3

Question

We have an issue with Oracle ASM and DMX-3 (sun Solaris 10) raw disks. when we start the ASM database after the split (SRDF) the Oracle ASM can see the disks but cannot mount.the raw disks the error comes out is IO Object not seen. waiting for your valuble inputs on this

SKT2 · Answer

ASM has the major number 188 while LVM device keeps 31. is that applicable to you?what does the `lifls` return for the ASM volume in your case?

KD8EWE · Answer

Thank You SKT for replying back, cound not login to powerlink for at least a month ... EMC corporate taken the issue and the real issue was since this is an ASM cluster, the shutdown of Unix was not graceful, so EMC unmounted these disk and remounted after labelling, thing were fine. Thanks for the Help

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Oracle ASM disk..mounting but no IO on DMX-3