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mohdrali
1 Copper

LUN OFFSET in Symmetrix means?

please could any body explain and give me with example.

Thanks

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3 Replies
dynamox
6 Thallium

Re: LUN OFFSET in Symmetrix means?

take a look at document "EMC Solutions Enabler Symmetrix Array Controls CLI". It explains what it is and has examples.

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Zikas
3 Argentium

Re: LUN OFFSET in Symmetrix means?

Hello Mohdrali

For san boot we need to gave the lun id has 0 but where has you dont find

the available address in FA so we will use lun offset which means where has

your next available address in FA is 7 but when you make lun offset 0 then

your host can see has lun0

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dynamox
6 Thallium

Re: LUN OFFSET in Symmetrix means?

there are more uses for LUN Offset other than boot from SAN. If you are not using dynamic lun masking and need to connect a host that only support LUN addressed 0-255 (old Redhat for example), you can use LUN Offset to start LUN enumeration for that host from any physical address available on the FA, physical address could be 0FF and higher.

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