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January 15th, 2009 12:00
STD 8GB device expand
Hello all,
I have a question regarding meta expansion. We have some 8GB std devices mapped & masked to servers. Now we need to add more storage and thought of expanding those devices. Is this achivable ? these are also R1 devices being replicated.
thanks,
Ramesh
I have a question regarding meta expansion. We have some 8GB std devices mapped & masked to servers. Now we need to add more storage and thought of expanding those devices. Is this achivable ? these are also R1 devices being replicated.
thanks,
Ramesh
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dynamox
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January 15th, 2009 19:00
https://forums.emc.com/forums/thread.jspa?messageID=623213
Manumari
131 Posts
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January 16th, 2009 06:00
So would that impact any data on the device? also does it requires unmasking too? So since its a R1 STD , then I guess i need to unmap, delete rdf pair then expand and redo everything if I am correct.
xe2sdc
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2.8K Posts
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January 16th, 2009 07:00
1) unmap
2) remove RDF pairing
3) expand device (form new meta/expand existing one) on both arrays
4) form RDF pair
5) establish
6) while establishing, map device on the frontend.
No need to unmask.
Manumari
131 Posts
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January 16th, 2009 07:00
Manumari
131 Posts
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January 16th, 2009 14:00
dynamox
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January 16th, 2009 16:00
Take a look at these solutions: emc90041, emc166979
dynamox
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January 16th, 2009 16:00
duggivarun
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July 12th, 2012 03:00
let me correct if i am wrong...
a)we cannot expand a std device to meta when it is online. we need to unmap it and expand it and map again.
b)we can expand an existing meta online with out unmapping.
c)if the std device has srdf pair. we need to first split the pair and unmap the std and expand it.
d)if the meta device has srdf pair.we need to split the pair and expand it.
dynamox
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July 12th, 2012 04:00
things changed since 2009 and VMAX can do much more than DMX ..so it depends what platform/code level you are referring to.
duggivarun
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July 12th, 2012 09:00
I mean both dmx(5773) and vmax(5874).
dynamox
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July 12th, 2012 10:00
take a look at this discussion
https://community.emc.com/thread/117240?start=15&tstart=0
but based on your current platform/code:
a) correct
b) correct
c) not only split, you will need to delete SRDF relationship, expand source and target and re-create SRDF (full sync)
d) same as c
duggivarun
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July 13th, 2012 01:00
thank you dynamox