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Recommendation for CPG on new shelf https://3parug.com/viewtopic.php?f=18&t=3112 |
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Author: | jbguy [ Fri Mar 01, 2019 11:51 am ] |
Post subject: | Recommendation for CPG on new shelf |
Good day all. I am filling out a new shelf (M6710) next week with 24 FC drives. I have heard that RAID6 was the preferred standard these days but have never really had to start a new CPG from scratch. Should I just take the defaults from the 3PAR on RAID6 or is there any way to figure out which would be the best set size ? This will house SQL volumes for our DR Site if that makes any difference. Any insight would be great. Thanks! |
Author: | MammaGutt [ Fri Mar 01, 2019 3:21 pm ] |
Post subject: | Re: Recommendation for CPG on new shelf |
You don't need a new CPG when adding a new cage. If you do nothing on a 7200/8200 it will do tunesys and balance existing data on new drives (if they match an existing CPG). |
Author: | Richard Siemers [ Sat Mar 02, 2019 9:26 pm ] |
Post subject: | Re: Recommendation for CPG on new shelf |
3PAR does not use a disk based raid, but Raid6 is the preferred choice for CPGs. Adding more drives does not require (or recommend) creating a new CPG. |
Author: | jbguy [ Mon Mar 04, 2019 10:38 am ] |
Post subject: | Re: Recommendation for CPG on new shelf |
Thanks all. I didnt give enough information but we currently have no FC drives in this 3PAR which is why I mentioned creating the new CPG. |
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