Add drives and ZFS stuff, add *arr
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docs/*arr/not-redownloading-after-deletion.md
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docs/*arr/not-redownloading-after-deletion.md
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# *arr not redownloading after deletion
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Note: it feels weird to refer to "*arr" constantly, so I'm just gonna refer to Radarr for now, but everything applies to Radarr, Sonarr and Lidarr.
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Radarr has a failsafe where in case the folder of a library is completely empty, it won't scan the disk for anything. This is presumably meant to be in case, for example, you accidentally mount the volume at the wrong location, but it also means it won't do anything if all your media is deleted.
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To fix this, just create an empty file in each library using `touch`, then run update all.
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If it's still not working, make sure your permissions are correct and that "Create empty folders" is enabled under the advanced options in Settings -> Media Management -> Folders.
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docs/Drives and ZFS stuff/drives.md
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docs/Drives and ZFS stuff/drives.md
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# Drives and ZFS and stuff
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`/etc/fstab`:
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```txt
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# <file system> <mount point> <type> <options> <dump> <pass>
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/dev/pve/root / ext4 errors=remount-ro 0 1
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UUID=2755-AA1E /boot/efi vfat defaults 0 1
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/dev/pve/swap none swap sw 0 0
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proc /proc proc defaults 0 0
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# note that zfs mounting is handled by zfs
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UUID=c7283793-37c6-4b01-95e1-cca26af0da8f /mnt/cache btrfs defaults 0 0
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PARTUUID=3857f198-72c5-644a-9da6-1e542d370785 /mnt/media0 xfs defaults 0 0
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PARTUUID=1674ea7b-55d1-2c4f-bb5e-75142feae5db /mnt/media1 xfs defaults 0 0
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PARTUUID=abec3d4f-baab-a94d-a9b4-2b64cb8f4de9 /mnt/media2 xfs defaults 0 0
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PARTUUID=d7196edd-9870-f14d-8269-387338e79939 /mnt/media3 xfs defaults 0 0
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/mnt/media0:/mnt/media1:/mnt/media2:/mnt/media3 /mnt/media fuse.mergerfs defaults,allow_other,use_ino,category.create=mfs,moveonenospc=true,minfreespace=4G,cache.files=partial,dropcacheonclose=true 0 0
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```
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## Partitions
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```txt
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root@askiiart:~# lsblk
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NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
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sda 8:0 0 3.6T 0 disk
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├─sda1 8:1 0 2T 0 part
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└─sda2 8:2 0 1.6T 0 part
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sdb 8:16 0 119.2G 0 disk
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├─sdb1 8:17 0 1007K 0 part
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├─sdb2 8:18 0 1G 0 part /boot/efi
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└─sdb3 8:19 0 118.2G 0 part
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├─pve-swap 252:0 0 8G 0 lvm [SWAP]
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├─pve-root 252:1 0 54.3G 0 lvm /
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├─pve-data_tmeta 252:2 0 1G 0 lvm
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│ └─pve-data-tpool 252:4 0 53.9G 0 lvm
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│ ├─pve-data 252:5 0 53.9G 1 lvm
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│ └─pve-vm--100--disk--0 252:6 0 4G 0 lvm
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└─pve-data_tdata 252:3 0 53.9G 0 lvm
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└─pve-data-tpool 252:4 0 53.9G 0 lvm
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├─pve-data 252:5 0 53.9G 1 lvm
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└─pve-vm--100--disk--0 252:6 0 4G 0 lvm
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sdc 8:32 0 3.6T 0 disk
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├─sdc1 8:33 0 2T 0 part
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└─sdc2 8:34 0 1.6T 0 part
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sdd 8:48 0 12.7T 0 disk
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├─sdd1 8:49 0 2T 0 part
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└─sdd2 8:50 0 10.7T 0 part
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sde 8:64 1 7.3T 0 disk
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└─sde1 8:65 1 7.3T 0 part /mnt/parity
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sdf 8:80 1 476.9G 0 disk
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└─sdf1 8:81 1 476.9G 0 part /mnt/cache
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root@askiiart:~# blkid
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/dev/mapper/pve-root: UUID="81f429ab-6ef1-4bef-a46b-74249c2de7c7" BLOCK_SIZE="4096" TYPE="ext4"
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/dev/sdf1: UUID="c7283793-37c6-4b01-95e1-cca26af0da8f" UUID_SUB="404f1350-a146-474a-9c2d-1b73669459de" BLOCK_SIZE="4096" TYPE="btrfs"
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/dev/sdb2: UUID="2755-AA1E" BLOCK_SIZE="512" TYPE="vfat" PARTUUID="e00d12e5-5744-4876-8240-08420322ff18"
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/dev/sdb3: UUID="pazYIV-u3iI-OIAE-sCRo-CNc8-HP47-oUN6A9" TYPE="LVM2_member" PARTUUID="4c795763-e15b-4d18-9c5f-4ef95d42971f"
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/dev/mapper/pve-swap: UUID="dd063ef6-f4b6-41e9-9668-bfc63adc65b6" TYPE="swap"
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/dev/sde1: UUID="8d8cb485-eb23-475b-a9c1-03b8309cdbaa" BLOCK_SIZE="4096" TYPE="xfs" PARTUUID="d7196edd-9870-f14d-8269-387338e79939"
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/dev/sdd2: UUID="bab6389d-feb1-41e7-b07f-93080243eb48" BLOCK_SIZE="4096" TYPE="xfs" PARTUUID="3857f198-72c5-644a-9da6-1e542d370785"
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/dev/sdd1: LABEL="storage" UUID="16414527426920089236" UUID_SUB="1719498991484903801" BLOCK_SIZE="4096" TYPE="zfs_member" PARTUUID="8742ec6c-c30d-f84b-8a23-90ec24b00c9a"
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/dev/sdb1: PARTUUID="8f8094b6-b73f-4724-97e7-eece6c5448ff"
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/dev/sdc2: UUID="4a7e1c36-05f9-4345-80da-9c177376cd00" BLOCK_SIZE="4096" TYPE="xfs" PARTUUID="abec3d4f-baab-a94d-a9b4-2b64cb8f4de9"
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/dev/sdc1: LABEL="storage" UUID="16414527426920089236" UUID_SUB="4034933404348229319" BLOCK_SIZE="4096" TYPE="zfs_member" PARTUUID="685ab334-2e81-3c4f-8a51-76a988ba8f1c"
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/dev/sda2: UUID="94e6e44d-dcc7-40cf-a0b8-cea939613d0f" BLOCK_SIZE="4096" TYPE="xfs" PARTUUID="1674ea7b-55d1-2c4f-bb5e-75142feae5db"
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/dev/sda1: LABEL="storage" UUID="16414527426920089236" UUID_SUB="10156536812731289767" BLOCK_SIZE="4096" TYPE="zfs_member" PARTUUID="aaae4977-a1fd-3f44-bb89-4ec368bfc906"
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```
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### Drive 1
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- Capacity: 14 TB
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- Model: Exos 2X14, ST14000NM0121
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- SN: ZKL2Q58G
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- Bought 2024-02-10-ish
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Partitions:
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| PARTUUID | Size | Filesystem | Purpose |
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| -------------------------------------- | ------- | ---------- | ------------------------- |
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| `8742ec6c-c30d-f84b-8a23-90ec24b00c9a` | 2 TB | ZFS | Redundant ZFS storage |
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| `3857f198-72c5-644a-9da6-1e542d370785` | 10.7 TB | XFS | Media storage w/ MergerFS |
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### Drive 2
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- Capacity: 4 TB
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- Model: Toshiba X300
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Partitions:
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| PARTUUID | Size | Filesystem | Purpose |
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| -------------------------------------- | ------ | ---------- | ------------------------- |
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| `1674ea7b-55d1-2c4f-bb5e-75142feae5db` | 2 TB | ZFS | Redundant ZFS storage |
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| `3857f198-72c5-644a-9da6-1e542d370785` | 1.6 TB | XFS | Media storage w/ MergerFS |
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### Drive 3
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- Capacity: 4 TB
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- Model: Toshiba X300
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Partitions:
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| PARTUUID | Size | Filesystem | Purpose |
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| -------------------------------------- | ------ | ---------- | ------------------------- |
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| `685ab334-2e81-3c4f-8a51-76a988ba8f1c` | 2 TB | ZFS | Redundant ZFS storage |
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| `abec3d4f-baab-a94d-a9b4-2b64cb8f4de9` | 1.6 TB | XFS | Media storage w/ MergerFS |
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### Drive 4
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- Capacity: 8TB
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Partitions:
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| PARTUUID | Size | Filesystem | Purpose |
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| -------------------------------------- | ------ | ---------- | ------------------------- |
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| `d7196edd-9870-f14d-8269-387338e79939` | 7.3 TB | XFS | Media storage w/ MergerFS |
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54
docs/Drives and ZFS stuff/zfs.md
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docs/Drives and ZFS stuff/zfs.md
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# ZFS stuff
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**In case of drive failure, go [here](#restore-after-drive-failure)!**
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## Initial setup
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Create partition table and partitions on drives:
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```sh
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fdisk /dev/sd{$LETTER}
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```
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```txt
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g
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# create 4g partition (ZFS)
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n
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\n
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\n
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+2T
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# create 12g partition (mergerfs (for media))
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n
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\n
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\n
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\n
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# write
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w
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```
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format mergerfs/media partitions:
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```sh
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mkfs.xfs /dev/sd{$LETTER}2
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```
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---
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Set up ZFS pool:
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```sh
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zpool create storage raidz1 /dev/sdb1 /dev/sdc1 /dev/sdd1
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```
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set mountpoint:
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```sh
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zfs set mountpoint=/mnt/user storage
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```
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## Restore after drive failure
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```sh
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zpool replace storage $NEW_ZFS_PARTITION
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zpool status storage
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```
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