[SOLVED] RAID performance

Nov 8, 2019
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Dear Community,

I am looking for some advise. One of the PCs I use is beginning to get a bit old and I have started pondering upgrading it. However, it runs my storage subsystem on an aging Adaptec 5805 RAID controller (currently 4 WD 2tb drives on RAID 5, plus a hot spare). I really can't remember when I bought it but I am guessing over 10 years ago. In its day it was head and shoulders above what was offer by motherboard RAID controllers.

However, is that true today? Would I be better off ditching the 5805 when I upgrade and using onboard raid controllers?

Thanks in advance.
Iain
 

popatim

Titan
Moderator
The 5805, while old is still a decent controller but it will show it's age with more modern (ie - faster) drives attached that can exceed 200MB/s.

Personally, I would still use it. It's reliable and still fast enough. You can top out in the 700MB/s range when properly configured iirc. You also probably should have a small fan pointing at the cards heatsink as well; these are designed to be in a rack servers chassis which has front to back cooling and your PC may not be giving it enough airflow. .
 

popatim

Titan
Moderator
The 5805, while old is still a decent controller but it will show it's age with more modern (ie - faster) drives attached that can exceed 200MB/s.

Personally, I would still use it. It's reliable and still fast enough. You can top out in the 700MB/s range when properly configured iirc. You also probably should have a small fan pointing at the cards heatsink as well; these are designed to be in a rack servers chassis which has front to back cooling and your PC may not be giving it enough airflow. .
 

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