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performance: use local disk if one exists labeled nova-instances

Jesse Andrews authored on 2011/09/12 09:11:11
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@@ -176,9 +176,13 @@ if [ "$CMD" == "run" ] || [ "$CMD" == "run_detached" ]; then
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     screen -d -m -S nova -t nova
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     sleep 1
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     rm -f $NOVA_DIR/nova.sqlite
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-    # TODO(ja): mount local partition nova-instances (can we use labels?)
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-    rm -rf $NOVA_DIR/instances
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+    rm -rf $NOVA_DIR/instances/*
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     mkdir -p $NOVA_DIR/instances
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+    # if there is a partition labeled nova-instances use it (ext filesystems
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+    # can be labeled via e2label)
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+    if [ -L /dev/disk/by-label/nova-instances ]; then
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+        mount -L nova-instances /$NOVA_DIR/instances
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+    fi
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     rm -rf $NOVA_DIR/networks
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     mkdir -p $NOVA_DIR/networks
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