Here's some photos of my M4 with SATA hat and 4 SSD's in a drive case - all working beautifully

Nice project. Do you have some benchmarks?

46 minutes ago, FrankM said:

Nice project. Do you have some benchmarks?

Not yet Frank, I've set the drives up as a software Raid 5 so any benchmarks would be a bit skewed anyway - what tool do you use for benchmarking ?

 

You can do this

 

sudo dd if=/dev/zero of=sd.img bs=1M count=4096 conv=fdatasync

and

 

sudo iozone -e -I -a -s 100M -r 4k -r 16k -r 512k -r 1024k -r 16384k -i 0 -i 1 -i 2 

Thanks

root@NewNanoPiM4:~# dd if=/dev/zero of=/mnt/Raid/sd.img bs=1M count=4096 conv=fdatasync
4096+0 records in
4096+0 records out
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 19.8072 s, 217 MB/s

 

11 minutes ago, pkfox said:

root@NewNanoPiM4:~# dd if=/dev/zero of=/mnt/Raid/sd.img bs=1M count=4096 conv=fdatasync
4096+0 records in
4096+0 records out
4294967296 bytes (4.3 GB, 4.0 GiB) copied, 19.8072 s, 217 MB/s

I got an invalid argument error with the iozone one unless I removed the -i params

Thanks. Which ssd you are using?

1 minute ago, FrankM said:

Thanks. Which ssd you are using?

Crucial MX500 1000GB 2.5