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sw-raid: make mdmon start from initrd

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Also add required systemd services for starting/stopping mdmon.

(cherry picked from commit aac666e302)

See https://github.com/NixOS/nixpkgs/pull/13447#issuecomment-189963243 for cherry-pick discussion.
This commit is contained in:
kklas 2016-02-25 14:08:27 +01:00 committed by Nikolay Amiantov
parent 9c36de8cb2
commit d005b64940
2 changed files with 42 additions and 0 deletions
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1
nixos/modules/system/boot/stage-1.nix
View File

@ -58,6 +58,7 @@ let
# Add RAID mdadm tool. # Add RAID mdadm tool.
copy_bin_and_libs ${pkgs.mdadm}/sbin/mdadm copy_bin_and_libs ${pkgs.mdadm}/sbin/mdadm
copy_bin_and_libs ${pkgs.mdadm}/sbin/mdmon
# Copy udev. # Copy udev.
copy_bin_and_libs ${udev}/lib/systemd/systemd-udevd copy_bin_and_libs ${udev}/lib/systemd/systemd-udevd

41
nixos/modules/tasks/swraid.nix
View File

@ -12,4 +12,45 @@
cp -v ${pkgs.mdadm}/lib/udev/rules.d/*.rules $out/ cp -v ${pkgs.mdadm}/lib/udev/rules.d/*.rules $out/
''; '';
systemd.services.mdadm-shutdown = {
wantedBy = [ "final.target"];
after = [ "umount.target" ];
unitConfig = {
DefaultDependencies = false;
};
serviceConfig = {
Type = "oneshot";
ExecStart = ''${pkgs.mdadm}/bin/mdadm --wait-clean --scan'';
};
};
systemd.services."mdmon@" = {
description = "MD Metadata Monitor on /dev/%I";
unitConfig.DefaultDependencies = false;
serviceConfig = {
Type = "forking";
Environment = "IMSM_NO_PLATFORM=1";
ExecStart = ''${pkgs.mdadm}/bin/mdmon --offroot --takeover %I'';
KillMode = "none";
};
};
systemd.services."mdadm-grow-continue@" = {
description = "Manage MD Reshape on /dev/%I";
unitConfig.DefaultDependencies = false;
serviceConfig = {
ExecStart = ''${pkgs.mdadm}/bin/mdadm --grow --continue /dev/%I'';
StandardInput = "null";
StandardOutput = "null";
StandardError = "null";
KillMode = "none";
};
};
} }