Profile

Debdatta Chattopadhyay

Hitachi Vantara

Contact Details

Hitachi Vantara

My Content

1 to 3 of 3 total
Posted By Debdatta Chattopadhyay 11-07-2022 05:25
Found In Egroup: Flash Storage​
\ view thread
In terms of rebuild time, for the same usage, 14D+2P will take lesser time. However, it can withstand 2 drive failure per 16 drives, whereas 6D+2P  can withstand 2 drive failures per 8 drives. One other consideration related to space usage is 14D+2P will result into higher usable spaces for same number ...
Posted By Debdatta Chattopadhyay 11-07-2022 05:20
Found In Community: Flash Storage​
\ view thread
If you are using RAID-6 which can withstand 2 drive failures, you may still be good with no spare if luck permits. However, RAID groups wit failed drives will have lower performance.
Posted By Debdatta Chattopadhyay 11-07-2022 05:17
Found In Egroup: Flash Storage​
\ view thread
We generally consider Deduplication ratios as 1.05 and Compression ratio as 2.86 for OLTP workloads. ------------------------------ Debdatta Chattopadhyay Hardware Test Engineer - Senior Hitachi Vantara ------------------------------