Home > Storage > PowerMax and VMAX > Storage Admin > Dell EMC PowerMax and VMAX: Non-Disruptive Migration Best Practices and Operational Guide > Solaris 10 SPARC with Solaris cluster 3_3u2 using Pass-Through NDM, Missing Reservations
When migrating from VMAX to PowerMax, VMAX All Flash or VMAX3 using Pass-through NDM the following could potentially be observed during the Cutover command:
e2e-l4-100242:/opt/emc/SYMCLI/bin # ./symdm cutover -sid 176 -sg NDM176_4
Nov 29 22:10:24 soh4ser2 cl_runtime: [ID 868277 kern.warning] WARNING: CMM: Erstwhile online quorum device /dev/did/rdsk/d61s2 (qid 2) is inaccessible now.
Nov 29 22:10:24 soh4ser2 cl_runtime: [ID 868277 kern.warning] WARNING: CMM: Erstwhile online quorum device /dev/did/rdsk/d44s2 (qid 3) is inaccessible now.
This also applies when migrating from VMAX3 or VMAX All Flash to VMAX All Flash or PowerMax. Reservations
An error message such as “reservation key on the quorum device gone”
These are temporary condition with no host impact. Waiting a few minutes will result in the Reservations returning from the target array.