this post was submitted on 16 Jun 2025
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It's A Digital Disease!

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The original post: /r/datahoarder by /u/Impossible_Nature_69 on 2025-06-16 00:44:50.

Did I do this right? I have 8 16TB Seagates in a Debian 12 system. Here's the commands I ran:

mdadm --create /dev/md0 --level=6 --raid-devices=4 /dev/sda /dev/sdb /dev/sdc /dev/sdd

mdadm --create /dev/md1 --level=6 --raid-devices=4 /dev/sde /dev/sdf /dev/sdg /dev/sdh

mdadm --create /dev/md10 --level=0 --raid-devices=2 /dev/md0 /dev/md1

mkfs.ext4 /dev/md10

mkdir /data

mount /dev/md10 /data

and it's sloooowwww!

dd if=/dev/zero of=/data/test.test oflag=direct bs=1M count=1000

1000+0 records in

1000+0 records out

1048576000 bytes (1.0 GB, 1000 MiB) copied, 13.1105 s, 80.0 MB/s

Is there a faster way to RAID these drives together????

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