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[dm-devel] Trouble with registering a raid volume with dmeventd



I notice that when I initially have the raid0+1 volumes registered with dm_dso_reg_tool, and then simulate a disk failure by pulling a member disk during an i/o operation, then reconnecting the disk, and then rebooting, I see that the output of dmsetup status shows that all of the member disks are active for each raid volume.

 

When I check out the output of dm_dso_reg_tool –m to show the list of monitored devices, it shows that the raid volumes are not registered with dmeventd. That’s fine, so I try registering all of the raid volumes, but only two out of the three volumes only ever get registered with dmeventd. Whenever I register the third volume, all three volumes become listed as not currently registered with dmeventd.

 

What step am I missing?

 

Thanks for clarifying,

Sandra


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