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| -rw-r--r-- | docs/ENVIRONMENT.md | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/docs/ENVIRONMENT.md b/docs/ENVIRONMENT.md index 2cec3bdc16..d2ab3baf68 100644 --- a/docs/ENVIRONMENT.md +++ b/docs/ENVIRONMENT.md @@ -316,3 +316,22 @@ fuzzers: Note that is may be also useful to set `$SYSTEMD_LOG_LEVEL`, since all logging is suppressed by default. + +systemd-importd: + +* `SYSTEMD_IMPORT_BTRFS_SUBVOL` – takes a boolean, which controls whether to + prefer creating btrfs subvolumes over plain directories for machine + images. Has no effect on non-btrfs file systems where subvolumes are not + available anyway. If not set, defaults to true. + +* `SYSTEMD_IMPORT_BTRFS_QUOTA` – takes a boolean, which controls whether to set + up quota automatically for created btrfs subvolumes for machine images. If + not set, defaults to true. Has no effect if machines are placed in regular + directories, because btrfs subvolumes are not supported or disabled. If + enabled, the quota group of the subvolume is automatically added to a + combined quota group for all such machine subvolumes. + +* `SYSTEMD_IMPORT_SYNC` – takes a boolean, which controls whether to + synchronize images to disk after installing them, before completing the + operation. If not set, defaults to true. If disabled installation of images + will be quicker, but not as safe. |