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iScsi access via Celerra / sizing best practice
Hi,
2 questions:
1- why some people present an iScsi target through a Celerra connected to a Clariion. Why dont they just connect to the Clariion?
2- In a scenario where you have to use iScsi from the Celerra, and the storage is provisioned from Clariion system given that:
- you have 6 disks total capacity in R5 3TB (example).
Would you :
Option A: Clariion level one big 3TB LUN presented to the Celerra and create a big 3TB Storage pool?
Option B: Clariion level 3x1TB LUN presented to the celerra and create a big 3TB Storage pool?
thanks
dynamox
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December 16th, 2012 21:00
1) some arrays do not have native iSCSI ports
2) Maximum iSCSI LUN presented through Celerra is 2TB
myrdin_b574eb
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December 16th, 2012 21:00
Thanks Dynamox.
About point 2, thanks i didnt know about the 2TB limitation. Let say you have 10 TB, would you do 5x2TB or 10x1TB? Or even with 1TB, would you present a single LUN or 2x500GB LUN? I m not sure if it can come handy to have the actual thing splitted in many LUNs instead of having bigger LUNs.
dynamox
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December 16th, 2012 21:00
what OS is this for ?
Peter_EMC
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December 16th, 2012 22:00
Because they want to use some other features, f.e. IP-Replication for replicating the iSCSI Data to another System