47 lines
1.8 KiB
Markdown
47 lines
1.8 KiB
Markdown
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# How to set up persistent storage on systemrescue
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The instructions on the official documentation are, in my oppinion, incomplete,
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so here you'll find how to correctly set up persistent storage
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## Partitioning
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Persistent storage requires an ext4, xfs or btrfs partition to write to, but
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the normal installation method does not provide this automatically, manual input
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is required
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You must first use fdisk or any other disk partition tool to shrink the vfat
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partition to make space for the ext4/xfs/btrfs partition
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Here's how to do it with fdisk:
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- run `fdisk /dev/sdX` where X is the disk where systemrescue is installed at
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- delete the main partition with `d`
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- create a new partition with `n`, make it primary with `p`, number 1 with `1`,
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leave the starting sector as-is and give it at least `+2G` end sector, make
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sure you don't remove the vfat signature when offered
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- change the partition type to "W95 vfat (LBA)" with `t` and then `0c`
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- make this shrinked partition bootable with `a`
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- create another new partition with `n`, make it primary with `p`, number 2
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with `2` and leave the start and end sectors as offered to make it take up
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the rest of the drive
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- write these changes with `w`
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## Setting up the filesystem
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run `mkfs.ext4 /dev/sdX2` where X is the drive number where systemrescue is
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installed at or the equivalent for xfs or btrfs if you're using those
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## Setting/changing the label name
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You must give this persistent storage a label that you will later reference
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in a systemmrescue YAML configuration file, you can do it with tune2fs or
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similar tools
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With tune2fs:
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- run `tune2fs -L "YOURLABEL" /dev/sdX2` where X is the drive number where
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systemrescue is installed at
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## YAML file changes
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You must add the following in the global scope of a .yaml file in
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systemrescue.d/:
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```
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global:
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cow_label=YOURLABEL
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```
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