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20 Posts
0
727
May 21st, 2012 23:00
VMAX Fast VP
In fast vp does enguinity/controler moves the busiest blocks to high performace tiers/pools even if the raid level differs.
Lets say i have "Pool_EFD_R1" of raid 1/0 and" pool_FC_R5"of raid 5 .So if the busiest block is of raid 5 will it move that block to Pool_EFD of raid1.???
OR
Do we need to create different tiers for raid levels
Say " Pool_EFD_R1" for Raid 1/0 and pool_FC_R1 of Raid1/0
and Pool_EFD_R5 of Raid 5 and pool_FC_R5 of Raid 5
so that data movement is between the raid pools tiers .
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sauravrohilla
859 Posts
0
May 22nd, 2012 00:00
Yes FAST VP does the inter raid movement so if your tdev is currently in raid 5 FC pool and it needs to be promoted to the EFD which is raid 1, FAST vp can do it.
regards,
Saurabh
Quincy561
1.3K Posts
0
May 22nd, 2012 06:00
FAST VP can move between raid protections.
And there isn't a RAID1 and a RAID 0/1 for VP pools, only RAID1, but the pools are always striped.