Re: Disk enclosure: RAID Machine R4424RM same as 2x SuperChassis 826BE1C-R609JBOD?

From: parv/FreeBSD <parv.0zero9+freebsd_at_gmail.com>
Date: Thu, 20 Oct 2022 19:04:48 UTC 
On Thu, Oct 20, 2022 at 9:00 AM parv/FreeBSD wrote:

Work currently uses 24-bay "RAID Machine ... R4424RM" enclosure
> ( https://www.pc-pitstop.com/24-bay-12g-expander-enclosure )
> with disks in ZFS RAID-Z[23] pools, connected via SFF-8088
> or -8644 cable to another computer with a Broadcom/LSI 9300-8e
> PCIe 3 card in it.
>
...

> Would "RAID Machine R4424RM" machine be equivalent to connecting 2
> of "SuperChassis 826BE1C-R609JBOD"
> (
> https://www.supermicro.com/ewin/products/chassis/2u/826/sc826be1c-r609jbod
> )
> together and then using as one unit? If that would be possible, what
> kind of HBAs etc & cable should I be looking at to connect the 2
> enclosures together, and  then to connect them as one unit to a FreeBSD
> computer.
>
> In the later case I do not how the "mpr" or "mps" drive would behave
>

Sorry above should read instead ...

  In the later case I do not know how the "mpr" or "mps" driver
  would behave


(Currently use "mpr" driver with " LSI 9300-8e" HBA.)


- parv


for one of "Qualified SAS Controllers" listed at SuperMicro URL ...
>
>   AOC-SAS3-9380-8E: SAS 12Gb/s PCIe 3.0 8-Port MegaRAID Controller
>   AOC-SAS3-9300-8E: SAS 12Gb/s PCIe 3.0 8-Port Host Bus Adapter
>   AOC-SAS3-9500-8E: SAS 12Gb/s PCIe 4.0 8-Port Host Bus Adapter
>   AOC-SAS3-9500-16E: SAS 12Gb/s PCIe 4.0 16-Port Host Bus Adapter
>   AOC-SAS3-9580-8I8E: SAS 12Gb/s PCIe 4.0 8-Port MegaRAID Controller
>
...