OL4 - Unable to break LVM mirror with device name "dm_task_run failed, errno = 4, Interrupted system call"

(Doc ID 2098066.1)

Last updated on APRIL 21, 2017

Applies to:

Linux OS - Version Oracle Linux 4.5 to Oracle Linux 4.8 [Release OL4U5 to OL4U8]
Information in this document applies to any platform.


On OL4 trying to reduce a LVM mirror by specifying device mapper name would fail with following error. i.e it reports no lvm mirrors found on the specified pv's



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