Unmap device with out write disabling it

[Srinivas Adusumalli]

Guys,

 

Any of you have unmapped device with out doing write disable it.I believe we can write disable a device on particular SA using symdev write_disable  0EBC -sa # -p #

 

Scenario,

 

Unmap the celerra_fba device with out write disabling it as this device belongs to NAS , very less chance of getting downtime for this.

 

 

Regards

Srini

[gnaneshwara prasad]

Is it write disabling or keeping in not ready state.

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[Srinivas Adusumalli]

In my scenario, those LUNS are nas root disks, So I cant write disable/NR.

 

Regards

Srini

[Muralidhar Kasagana]

Sir,

 

I beleave you can write disable one path at a time and unmap from that path and remap to new path.

 

Ex: NAS is mapped to 7a:0 and 10a:0

 

write disable 7a:0 first and unmap, in this case you will still have read/writes from other path ie. 10a:0

 

perform your next activity of mapping to new fa ports and do the same for other path once you got new path.

Regards,
Muralidhar K
Mobile: +971551706705

[Srinivasa]

U r correct sir symdev write_disable xyyz  -sa xx -p 0 

Regards 

Srini

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