Lower default IRONIC_VM_SPECS_RAM
Revert the default required RAM for Ironic nodes from 1024MB to 512MB.
Ironic now passes a kernel parameter to deploy ramdisks that avoids use
of tmpfs and lowers minimum memory requirements.
Change-Id: I20226c496fdd06ecfc6769a60b6d6f82887130a8
diff --git a/lib/ironic b/lib/ironic
index dbeb3d3..46eae7e 100644
--- a/lib/ironic
+++ b/lib/ironic
@@ -53,12 +53,7 @@
IRONIC_VM_SSH_ADDRESS=${IRONIC_VM_SSH_ADDRESS:-$HOST_IP}
IRONIC_VM_COUNT=${IRONIC_VM_COUNT:-1}
IRONIC_VM_SPECS_CPU=${IRONIC_VM_SPECS_CPU:-1}
-# NOTE(adam_g): Kernels 3.12 and newer user tmpfs by default for initramfs.
-# DIB produced ramdisks tend to be ~250MB but tmpfs will only allow
-# use of 50% of available memory before ENOSPC. Set minimum 1GB
-# for nodes to avoid (LP: #1311987) and ensure consistency across
-# older and newer kernels.
-IRONIC_VM_SPECS_RAM=${IRONIC_VM_SPECS_RAM:-1024}
+IRONIC_VM_SPECS_RAM=${IRONIC_VM_SPECS_RAM:-512}
IRONIC_VM_SPECS_DISK=${IRONIC_VM_SPECS_DISK:-10}
IRONIC_VM_EPHEMERAL_DISK=${IRONIC_VM_EPHEMERAL_DISK:-0}
IRONIC_VM_EMULATOR=${IRONIC_VM_EMULATOR:-/usr/bin/qemu-system-x86_64}