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July 19th, 2011 00:00
What is tdev , thin pool and thik pools
Good Day All
dears What is the meaning of tdevs , thin pools and thik pools in Symmetrix and whats the diffrents btween them .
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dynamox
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July 19th, 2011 11:00
pools themselves are not thin or thick, devices that you create out of those pools can be thin or thin (pre-allocated). Thick devices are the ones created out of traditional "raid sets". If you download Solutions Enabler CD and look at Symmetrix Array Management CLI ..these concepts are explain in great detail.
Solutions Enabler 7.3 Complete Documentation Set
vijay861
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July 19th, 2011 11:00
Hi mohammed,
To be clear, lets consider 4 hard drives of 300GB each. We requested Engineering TEAM to have TDATs of 200GB, then each TDAT will be a part of each hard drive. Thus we will have 6 TDATs. We will create a pool from these TDATs. Now our pool can be thin or thick, based on our own choice. From this thin pool we can create TDEVs of our requirement. for example host requires 100GB Device then Thin Device indicates that devices allocated to host may look like 100Gb but its not exact 100GB, whch is formed from the chunks of POOL.
correct me if I am wrong.
If you still have quries please let me know.
vijay861
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July 19th, 2011 12:00
Thanks a lot Dynamox
dynamox
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July 19th, 2011 12:00
you are very welcome
vijay861
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July 20th, 2011 11:00
Mohammed,
do u got answer to your question?