On a layered DMP setup, I/O hang occurs in LDOM if I/O domain is hard-reset (4055735)

Last published : Sep 18, 2026
When an AlternateIO resource panics or reboots, the paths are expected to be in the DISABLED state. However, after an AlternateIO resource panics, the paths that belong to that resource appear to be in the ENABLED state on the LDOM side. The I/O is hung or paused until the resource is restarted. This issue occurs on Solaris in a layered DMP setup and needs to be resolved by Oracle.
Workaround: None; Veritas is awaiting a resolution for the ticket raised for this purpose with Oracle.