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Parity Check Speed LSI vs MARVELL - dramatic differences based on controllers 

landS
in Storage Devices and Controllers

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Sadly the v6 Marvel Bug has popped its ugly head up prompting me to move from the long trusty SASLP to an H310 SAS controller as per:

CPU -  Intel i5-2500 - vt-d enabled 
Motherboard- Asus P8H77-V LE (Intel H77 Sata Controller)
6x 4 TB XFS      HGST HDN724040ALE640 7200 rpm drives (3 data, 2 parity, 1 warm spare) 
1x 2 TB BTRFS WD20EARS

 

The Dell Perc H310 is a PCI-e x8 based on the LSI SAS2008 dual SAS Controller- flashed to Firmware P20.00.07.00
The Supermicro AOC-SASLP-MV8 is a PCI-e x4 based on the Marvell 6480 dual SAS Controller - flashed to Firmware 3.1.0.21

 

SASLP - Data Drives Only
H77 - Cache & Dual Parity Drives
9 hours 56 minutes 

 

SASLP - Data, Cache & Dual Parity Drives
10 hours 36 minutes


H310 - Data, Cache & Dual Parity Drives
8 hours 2 minutes

 

I am curious if moving the Dual Parity back to the H77 will result in further reductions...

 

Edited by landS

  • Quote

    Dunno if it helps you or not, I'm running the M1015 (LSI same as H310) with seagate 8tb's and I parity check at 125MB/s?
    Not sure if that's good or not?


    Sent from my iPhone using Tapatalk

  • Quote

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