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--- computing:storage:disk_power [2015/03/14 18:03]
gcooper created
+++ computing:storage:disk_power [2015/03/14 18:12] (current)
gcooper
@@ Line 21: / Line 21: @@
 Here we add that command to ''rc.local'':
+Here we disable APM on ''sda'', ''sdb'', ''sdc'' and ''sdd'' at startup:
+<file>
+cat << EOF >> /etc/rc.local
+#
+# Disable power management on all hard drives
+#
+for x in [abcd]; do hdparm -B 255 /dev/sd\$x; done
+EOF
+</file>
+:!: The backslash keeps BASH from expanding the variable into ''rc.local'' and would be omitted if entering the command at the bash prompt.

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