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--- projects:homelab:inspur_hotswap_cages [2024/10/16 16:40] – z Andrew Yong
+++ projects:homelab:inspur_hotswap_cages [2024/11/18 11:55] (current) – [Useful Utilities] spindown; add details Andrew Yong
@@ Line 1: / Line 1: @@
 ====== Inspur Hotswap Cages ======
-Taobao has many 2U hot-swap cages for sale with SAS expanders and daisy-chain capabilities. These are pulled from Inspur servers disposed by the reverse supply chain of hyperscalers.
+Taobao has many 2U hot-swap cages for sale with SAS expanders and daisy-chain capabilities. These are disassembled from 2U Inspur servers disposed by hyperscalers' reverse supply chains.
 A cottage industry of accessories and enclosures for these hot-swap cages has also sprung up around them.
@@ Line 33: / Line 33: @@
 |  phy20  |  phy21  |  phy22  |  phy23  |
+phy0-phy11 are mapped to the mini-SAS HD connectors.
 ==== LED Control ====
@@ Line 51: / Line 52: @@
   * sasutils
-    * ''sas_discover -vv''
+    * ''sas_discover -vv'' - SAS devices, topology (tree) view
-    * ''sas_devices [-v...]''
+    * ''sas_devices [-v...]'' - SAS devices, list view
   * ''ledctl''
     * OpenZFS' ''zed'' [[https://github.com/openzfs/zfs/blob/master/cmd/zed/zed.d/statechange-led.sh|automatically indicates vdev failures on supported enclosures' drive failure LED(s)]], if failed drives are replaced into other enclosures/bays, the failure LED may get stuck; ''ledctl'' can be used to clear the failure indicator
+  * 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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