topic Re: lun show unmapped in ONTAP Discussions

lun show unmapped

Rawat_Sunil — Wed, 04 Jun 2025 21:26:08 GMT

I run the lun show unmapped command and show the unmapped luns and shows the below output

/vol/erpt6c/erpt6c.lun 25g (26843545600) (r/o, online)

and want to delete the unmapped lun first try offline command it shows error ( Read only permission)

dr-fas3140b*> lun offline /vol/erpt6c/erpt6c.lun
lun offline: /vol/erpt6c/erpt6c.lun : Read-only file system

try to destroy the it but face same problem

dr-fas3140b*> lun destroy /vol/erpt6c/erpt6c.lun
lun destroy: /vol/erpt6c/erpt6c.lun : Read-only file system

can any one suggest how i can delete the lun

Regards,

Sunil Rawat

Re: lun show unmapped

marcusgross — Wed, 13 Apr 2016 13:51:23 GMT

Hi,

is it a snapmirror destination?

Whats the output of vol status erpt6c?

Marcus

Re: lun show unmapped

Rawat_Sunil — Thu, 14 Apr 2016 05:16:32 GMT

Output is :-

dr-fas3140b*> vol status erpt6c
Volume State Status Options
erpt6c online raid_dp, flex snapmirrored=on, create_ucode=on,
snapmirrored fs_size_fixed=on
read-only
Containing aggregate: 'aggr_TD_02'
dr-fas3140b*>

Re: lun show unmapped

Sahana — Thu, 14 Apr 2016 05:23:45 GMT

Hi.

If its a snapmirror destination, you need to break the relation. Refer How to correctly delete a SnapMirror relationship