restore prod backup in dev server using RMAN

i have a production database (oracle_sid is prod)
i want to clone the prod database to dev environment( oracle_sid is dev) .

i have rman backups in production database. i ftp'ed them to dev environment.

if i restore the backup in dev ,
1. will DBID & oracle_sid be the same in dev and in prod??

-- Also, i am in current dev box: if i issue
2. rman target sys/sys@prod auxillary /   -- will this complete the process??

3. is it essential i know the sys password on PRod ?? i have dbaoper user password ..  will that be sufficient ?
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slightwv (䄆 Netminder)Connect With a Mentor Commented:
Having scanned to document before I deleted it, I say it is probably safe to follow since it came directly from Oracle.

If you already created an init.ora file, you can probably skip the creation step.
slightwv (䄆 Netminder) Commented:
ramavenkatesaAuthor Commented:
basically, my doubt is  -- i have already got a dev database up & running on the DEV server.
i want that to be "overwritten" with the prod backup..

i am following this doc.. i have attached the doc.

am i following the right thing.. ???

( I have already got the init file ,,, but the doc says to create a init file ??
please advice...
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