How to get rid of Multipath on Core 13.3 without losing data?

[Johnny_Fartpants]

This thread should be helpful.

Can't add disk to mirror

@kgmoney Sorry for the delay on the reply here. Before running these commands, you will definitely need to export your pool from the UI. If you’re also planning to change the cables, a full shutdown might be better to avoid accidental hiccups from the live-disconnect of an internal cable (external SFF is designed for this, internal isn’t) Since you only have three multipath disks, you can run it as a one-liner: for i in `seq 1 3`; do gmultipath destroy disk$i; done Or three individ…