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Old 24th July 2017, 05:11 PM
porkenstein Offline
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pcie sata card help

I have read and read but still not sure what to order. Since the demise of whs 2011 I am moving to Linux. I want to use Amahi which runs on top of Fedora 25. Since I am a newbie I am looking for a pcie sata card that is natively supported but Fedora. I need a 4 port and hopefully something that is not too expensive as I am retired and on a very limited budget. Thanks in advance.
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  #2  
Old 24th July 2017, 11:35 PM
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Re: pcie sata card help

I found just about the cheapest 4-port card available with good Linux support ( Centos 7). If it runs on Centos 7 it will run on F25. You will need to buy an SFF-8087 cable for four drives. This card supports up to 8 drives but is only JBOD. I recommend using mdadm RAID with LVM on top anyway.

4-port cards generally start at $200+ and can go much higher. Single or two port can be had four under $100.

https://www.newegg.com/Product/Produ...-792-_-Product
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Old 25th July 2017, 12:17 AM
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Re: pcie sata card help

Quote:
Originally Posted by amiga View Post
I found just about the cheapest 4-port card available with good Linux support ( Centos 7). If it runs on Centos 7 it will run on F25. You will need to buy an SFF-8087 cable for four drives. This card supports up to 8 drives but is only JBOD. I recommend using mdadm RAID with LVM on top anyway.

4-port cards generally start at $200+ and can go much higher. Single or two port can be had four under $100.

https://www.newegg.com/Product/Produ...-792-_-Product
Thanks so much for the suggestion. I have a lot to learn. Been use to using Windows forever.
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Old 25th July 2017, 04:17 AM
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Re: pcie sata card help

I purchased an IO Crest SI-PEX40062 4 Port SATA III PCIe 2.0 x2 Controller Card on Amazon earlier this year for ~$30 USD. (non-raid)

The key success factor on this card was its use of the Marvell 88SE9235 chipset.

I had problems with my first card based on the Marvell 88SE9128 chipset.

http://forums.fedoraforum.org/showthread.php?t=314212
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Old 25th July 2017, 06:54 AM
antikythera Offline
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Re: pcie sata card help

Quote:
Originally Posted by Kobuck View Post
I purchased an IO Crest SI-PEX40062 4 Port SATA III PCIe 2.0 x2 Controller Card on Amazon earlier this year for ~$30 USD. (non-raid)

The key success factor on this card was its use of the Marvell 88SE9235 chipset.

I had problems with my first card based on the Marvell 88SE9128 chipset.

http://forums.fedoraforum.org/showthread.php?t=314212
good recommendation, I might get one of those myself.
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Old 27th July 2017, 04:25 AM
amiga Offline
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Re: pcie sata card help

IO Crest SI-PEX40062 4 Port SATA III PCIe 2.0 x2 Controller ~$30 USD.

SUPERMICRO AOC-SAS2LP-MV8 PCI-Express 2.0 x8 SATA / SAS 8-Port Controller Card - $112

It comes down to performance vs price

The budget card has only two lanes so 1000MB/s total and uses port multipliers so one controller is shared among all four ports.

The more expensive card has 8 lanes so 4000MB/s total and has multiple controllers. It could produce the full bandwidth per drive. If the server doesn't need a video card you would put this in the x16 slot.

Last edited by amiga; 27th July 2017 at 05:09 PM.
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Old 27th July 2017, 10:48 AM
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Re: pcie sata card help

A bit of a side question, but what are you using the drives for? Would it be worth considering a raid controller instead of just a sata controller?
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Old 29th July 2017, 06:38 AM
Kobuck Online
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Re: pcie sata card help

Quote:
Originally Posted by HaydnH View Post
A bit of a side question, but what are you using the drives for? Would it be worth considering a raid controller instead of just a sata controller?
That's really the key question. Buying performance you don't use is not worthwhile either.
My use case is to mount more drives to allow common mount points between my Fedora and Debian dual boots. I share the development and document drives across kernel images which are on separate drives. In addition I have 2 x 2TB drives for bulk storage.

In my use case I'm not looking to drive high MB/sec volumes to the drives. I'm looking to share multiple data stores between two physically separate kernel installs.

The raid controller question depends on whether the data ports can be accessed simultaneously. If they can, then you could use software raid to improve performance by striping the data across multiple drives.
Hardware raid can also deliver the performance advantages of striping your data, but there is the caveat that the data retrieval may only be possible thru that particular model of adapter card. ( buy a spare if you are as paranoid as I am )
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Old 31st July 2017, 10:28 AM
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Re: pcie sata card help

Quote:
Originally Posted by Kobuck View Post
The raid controller question depends on whether the data ports can be accessed simultaneously. If they can, then you could use software raid to improve performance by striping the data across multiple drives.
OP says he needs 4 ports so I assume 4 disks and he's on a budget, so I was thinking more like raid 5. If he can make do with 3 disks for data or add a 5th for "parity" then he'd get some reliability benefits without too much added cost. It depends on his usage though, he mentions he's retired so he's unlikely to incur much loss due to down time while restoring from backups, but anyone who needs 4 disks is likely to have a lot of data to protect.
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