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--- projects:homelab:inspur_hotswap_cages [2024/11/18 11:55] – [Useful Utilities] spindown; add details Andrew Yong
+++ projects:homelab:inspur_hotswap_cages [2026/10/26 02:13] (current) – add spindown commands Andrew Yong
@@ Line 34: / Line 34: @@
 phy0-phy11 are mapped to the mini-SAS HD connectors.
 ==== LED Control ====
@@ Line 48: / Line 49: @@
   * ''failure'': Red status LED
   * All other patterns cause LED color(s) to get stuck until valid patterns are used to set and clear stuck LED color(s)
+==== Spindown on Shutdown ====
+<code - /etc/udev/rules.d/60-sas-exp-spindown.rules>
+# Stop (spin down) disks behind a SAS expander at poweroff
+ACTION=="add|change", SUBSYSTEM=="scsi_disk", DEVPATH=="*/expander-*/*", ATTR{manage_shutdown}="1"
+</code>
 ===== Useful Utilities =====
@@ Line 58: / Line 67: @@
   * udisks2
     * ''%%find /dev/disk/by-path -name "*sas-exp0x56c92bf*lun-0" -exec sudo udisksctl power-off -b {} ';'%%'' - spindown all disks in all expander backplanes

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