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some notes

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pablo 2021-12-25 23:35:35 +01:00
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how_to_add_data_disk.md Normal file
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# Add data disk
I'm trying to add a 1TB SSD drive to banky, connected to the mainboard,
to use it as a data disk.
I used `fdisk -l` to list the connected disks. The SSD already appeared
there.
I then partitioned this disk with `fdisk /dev/sda/` (/dev/sda was the
given name for the disk. The exact name for your case can be checked by
running `fdisk -l`). The command for partitioning is `n`.
Now it's time for formatting. After some reading, apparently the right
choice for a linux data disk would to use `ext4`. But bear in mind this
is not compatible with windows and macos. If you have a disk that would
like to use across different OS systems, you can pick `fat32`.
To format, pick the partition (you can find it with `lsblk`) and use the
mkfs command.
Well that was the theory, because it didn't work for me. I ended up using
Debian's GUI disk tool. Two clicks and done.
Finally, the disk needs to be mounted. To do so on every boot, you need
to add a line like this one to `/etc/fstab`.
```
UUID=66d23b74-677d-4122-8e67-4bc88ea03b18 /media/data_disk/ auto rw,user,auto 0 0
```
Where the UUID should be one for the disk (you can find it out with `blkid`
or some other of the disk utilities) and the path should exist.

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notes_on_bitcoin_core_install.md Normal file
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# Bitcoin core install
Just a few notes to refresh my mind if needed.
I've gone to the bitcoin.org page and downloaded the Linux version
for bitcoin core 22.0. I followed the instructions there and installing
was super easy and quick.
My next issue is setting up the config of the daemon so that it stores
the blockchain in the SSD disk I've set up for that, instead of in my
small main drive.
After some tinkering, I find how. The default dir where core stores data
is ~/.bitcoin. When I started the daemon, it started creating all sorts of
stuff there, including the copy of the blockchain. I completely erased the
folder, and created a new folder in my target SSD. Then, I used Jameson
Lopp's bitcoin core config file generator tool to tweak some settings,
including the data dir for all data. I placed the conf file in
~/.bitcoin/bitcoin.conf and started the bitcoin daemon. Then, the daemon
started writing into the dir in the SSD I pointed it to through the config
file. Great success!
Now the blockchain is actively being downloaded. The process is easy to
monitor: there is a blocks folder, and each block gets a different file
within it. So a simple ls allows watching the process live.