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Can I specify the capacity of RAID 10 DM and RAID 6-6 disk space in Tier 1 of SCv2020?
Dear all,
Can I specify the capacity of RAID 10 DM and RAID 6-6 disk space in Tier 1 of SCv2020?
For Example 20% using for RAId 10 DM and 80% using for RAID 6-6.
Thanks,Natthpahol.
mtanen
118 Posts
1
November 8th, 2017 07:00
Short Answer - NO!
Long answer - thats a good thing. Compellent optimizes (by default) the RAID level per block based on what provides the best performance. So in a default world writes are done in RAID10/DM and then those blocks are converted to RAID5/6 in a 24-48 hour period depending on snapshot schedule. From a read point of view there is no benefit of RAID10 - and so it should be minimized.
You can override per volume this behavior if that default doesnt work.
mtanen
118 Posts
1
November 8th, 2017 19:00
www.dell.com/.../storage-profiles-for-scv2000-series-controllers
Natthaphol
9 Posts
0
November 8th, 2017 19:00
Dear Michel,
Thank you for your advise. Could you please explain more what kind of option I can do to override per volume?
Best regards,
Natthaphol.
Natthaphol
9 Posts
0
November 8th, 2017 20:00
Dear Michael,
Thanks, Can I change the storage profile during the storage system in running? Is there online or I have to move data first?
Best regards,
Natthaphol.
DELL-Bob Mi
230 Posts
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January 30th, 2018 17:00
After making Storage Profile changes the changes will take affect during the next Data Progression cycle.