On Thu, Dec 01, 2022 at 02:00:24PM -0500, Aurelian Melinte via talk wrote:
> I am looking to get a RAID card to put my SATA HDDs in a mirror. Has to
> be hardware RAID for that particular machine which is quite old. Can
> anyone please recommend a reliable one, $250 or less?

How many disks?

Personally my main server box in the house runs software raid6 with nine
drives, and then for the root disk I have a pair of SSDs running on a
hardware raid controller.  It's a peculiar extremely cheap one:

0b:00.0 SATA controller: Marvell Technology Group Ltd. 88SE9128 PCIe SATA 6 
Gb/s RAID controller with HyperDuo (rev 11)

Has a menu for setting up the raid at boot, then after that it's just
an AHCI disk as far as linux is concerned.  There does exist software to
monitor it for linux, although it is ancient and was meant for redhat 6.
I did manage to get it to run once just to see, but I generally haven't
bothered with it.

It supposedly even supports port multipliers, but I haven't tried that.
The idea of running 8 drives of 2 sata ports with a x1 PCIe connection
seems like a bandwidth problem to me, and too many points of failure
that could take out the raid.

They do seem to be hard to find these days though but if you can, it's
about $50.

-- 
Len Sorensen
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