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* /data -> /ephemeral0.

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* Put /tmp and /var on the /ephemeral0, as it has much more
  space than the root filesystem.
* Panic on stage 1 errors since they cannot be repaired anyway.

svn path=/nixos/trunk/; revision=23532
This commit is contained in:
Eelco Dolstra 2010-08-29 22:09:15 +00:00
parent 4963f769d9
commit a242602b40
1 changed files with 18 additions and 2 deletions
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20
modules/virtualisation/amazon-image.nix
View File

@ -59,9 +59,9 @@ with pkgs.lib;
[ { mountPoint = "/"; [ { mountPoint = "/";
device = "/dev/disk/by-label/nixos"; device = "/dev/disk/by-label/nixos";
} }
{ mountPoint = "/data"; { mountPoint = "/ephemeral0";
device = "/dev/xvdc"; device = "/dev/xvdc";
autocreate = true; neededForBoot = true;
} }
]; ];
@ -71,11 +71,27 @@ with pkgs.lib;
boot.initrd.kernelModules = [ "xen-blkfront" ]; boot.initrd.kernelModules = [ "xen-blkfront" ];
boot.kernelModules = [ "xen-netfront" ]; boot.kernelModules = [ "xen-netfront" ];
# Panic if an error occurs in stage 1, because there is nothing anybody can
# do about it.
boot.kernelParams = [ "stage1panic" ];
# Generate a GRUB menu. Amazon's pv-grub uses this to boot our kernel/initrd. # Generate a GRUB menu. Amazon's pv-grub uses this to boot our kernel/initrd.
boot.loader.grub.device = "nodev"; boot.loader.grub.device = "nodev";
boot.loader.grub.timeout = 0; boot.loader.grub.timeout = 0;
boot.loader.grub.extraPerEntryConfig = "root (hd0)"; boot.loader.grub.extraPerEntryConfig = "root (hd0)";
# Put /tmp and /var on /ephemeral0, which has a lot more space.
# Unfortunately we can't do this with the `fileSystems' option
# because it has no support for creating the source of a bind
# mount.
boot.initrd.postMountCommands =
''
mkdir -m 1777 -p $targetRoot/ephemeral0/tmp
mount --bind $targetRoot/ephemeral0/tmp $targetRoot/tmp
mkdir -m 755 -p $targetRoot/ephemeral0/var
mount --bind $targetRoot/ephemeral0/var $targetRoot/var
'';
# There are no virtual consoles. # There are no virtual consoles.
services.mingetty.ttys = [ ]; services.mingetty.ttys = [ ];