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Logical decommission of DMX and VMAX Arrays
Hello Experts,
I am new to doing logical decommission of arrays. Can some please explain me step by step or provide me documents how to decommission DMX and VMAX arrays logically ?
Any help appreciated.
dynamox
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March 19th, 2016 14:00
array going back to EMC or scrap ?
san_storage
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March 19th, 2016 14:00
Dynamox- As far as I know these are getting scrapped. Is there any procedural difference ?
dynamox
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March 20th, 2016 06:00
we typically purchase EMC certified erasure if it's going back to EMC, otherwise we use third party company to shred the drives and provide us with a certificate of destruction for each drive serial number.
Before we retire a Symm, I make sure there are no existing SRDF pairs (symrdf -sid 123 list). It's so much easier to clean it up while decommed array is still online. Delete SRDF groups between decommed array and any other array it's paired with.
I also like to run symstat (symstat -sid 123 -i 10) on the entire array for 24 hours to make sure i am not seeing any I/O. At that point i am done with the array so i clean up any remaining zones and flip the breakers on the door of the cabinet(s).
san_storage
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March 21st, 2016 05:00
Dynamox -Thank you for your feedback but are any documents available that I can follow mentioning steps by steps procedure ? Since I am new to this I just want to make sure I do it right .
dynamox
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March 21st, 2016 08:00
you can download Solutions Enabler manual and lookup the two commands i referenced. I don't think there is a published guide on how to decommission arrays, certain things are specific to your environment only but general process is the same as i provided earlier.
san_storage
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March 21st, 2016 10:00
I will surely refer to the Solution Enabler manual. Also one last question I have- how do I check if any host are logging to DMX arrays ? and also how to check to the which switch port DMX/VMAX is connected to ? I guess we need to disable the switch port the array is connected too.
Rasmmacias
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March 22nd, 2016 03:00
1.I have- how do I check if any host are logging to DMX arrays ? symaccess -sid xxx list logins symaccess -sid xxx list logins -v 2.and also how to check to the which switch port DMX/VMAX is connected to ? a)symaccess -sid xxxx list assignment -v -dev xxxx Symmetrix ID : 00019260xxxx Device No. : xxxx WWN : 10000000c955ddde Type : Fibre Directors : FA-7F:1,FA-9F:1 WWN : 210000e08b8ac6ea Type : Fibre Directors : FA-7F:1,FA-9F:1 b)symaccess -sid xxxx list -type port -detail symaccess -sid xxxx list -type initiator -detail
san_storage
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March 22nd, 2016 11:00
Thank you both. I will give a try with suggestions you guys provided.