diff --git a/ops/nixos/lib/blade.nix b/ops/nixos/lib/blade.nix
index 0d879ae3bb..0e48c99e96 100644
--- a/ops/nixos/lib/blade.nix
+++ b/ops/nixos/lib/blade.nix
@@ -143,6 +143,8 @@ in {
       global.publicNetwork = "10.100.2.0/24";
       global.clusterNetwork = "10.100.2.0/24";
       extraConfig.rgw_dns_name = "objdump.zxcvbnm.ninja";
+      extraConfig.rgw_data_log_backing = "omap";
+      extraConfig.rgw_default_data_log_backing = "omap";
       mon.daemons = [ config.networking.hostName ];
       mds.daemons = [ config.networking.hostName ];
       rgw.daemons = [ config.networking.hostName ];