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How Many Plots Fit On a 6TB Drive?

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How Many Plots Fit On a 6TB Drive
How Many Plots Fit On a 6TB Drive

I Have 6TB Disk Drive. How Many Plots Fit On a 6TB Drive?

I managed to have 55, with just 12MB left:

(venv) [email protected]:~/chiaplotgraph$ df /mnt/plot/a
Filesystem      1K-blocks       Used Available Use% Mounted on
/dev/sda1      5858874808 5846129924  12728500 100% /mnt/plot/a
(venv) [email protected]:~/chiaplotgraph$ ls /mnt/plot/a/*plot | wc -l
55

Originally 6TB or 6000GB disk has space of about 5.45TB. If you using Chia Calculator, we can only get 50 k32 Plot and use about 5.44185 TB (≈99.85%) of disk space.

By default ext4 reserves 5% of your disk for the root user. That made sense in 1999, but that’s insane now. You can run this command (as root) to reduce reserved blocks to around 4GB. On a 16TB ext4 file-system that will free up 795GB (since the default of 5% reserved = 800GB reserved for root!).

tune2fs -r 1000000 /dev/<disk-device>

This instantly frees up space. You don’t need to unmount or remount or restart or anything.

But first, use “lsblk” and “df” commands to identify the ext4 file-systems to tune.

And be careful! Running any command directly against any /dev/<disk-device> file as root is always dangerous. Practice on a computer/drive that’s not important first.

I know you can use excellent tools like chiacalculator.com or plot-plan.chia.foxypool.io 81 but I like having things written down in a table for quick & easy lookup.

TB K32 K33
2 18 9
4 36 18
6 55 27
8 73 36
10 91 45
12 110 55
14 128 64
16 146 73
18 165 82

*I’m only showing k32 and k33 as it doesn’t really make sense to plot anything else at this time.

With 6TB HDD (using ext4, already set Reserved block = 0), I only got 54 plots (k32), what did I miss in the formatting/partitioning/plotting process?

Using df command it shows:

  • 1K-blocks: 5,813,266,968
  • Used: 5,739,565,696
  • Available: 73,684,888

I also have a 6TB drive where I did not limit the number of inodes and only get 54 plots

Check my /dev/sdb1 (mounted on /mnt/dest/d) vs /dev/sdd1 (mounted on /mnt/dest/b)

[email protected]:~$ sudo tune2fs -l /dev/sdd1 | grep "Inode count"
Inode count:              183144448
[email protected]:~$ sudo tune2fs -l /dev/sdb1 | grep "Inode count"
Inode count:              715408

[email protected]:~$ df /mnt/dest/d
Filesystem      1K-blocks       Used Available Use% Mounted on
/dev/sdd1      5813267548 5739504132  73747032  99% /mnt/dest/d
[email protected]:~$ df /mnt/dest/b
Filesystem      1K-blocks       Used Available Use% Mounted on
/dev/sdb1      5858874808 5845938052  12920372 100% /mnt/dest/b
[email protected]:~$ ls -l /mnt/dest/b/plo* | wc -l
55
[email protected]:~$ ls -l /mnt/dest/d/plo* | wc -l
54
[email protected]:~$

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