https://www.dell.com/support/manuals/us/en/19/idrac-service-module-v3.4/ism_3.4_users%20guide/prepare-to-remove-nvme-pcie-ssd-device?guid=guid-69d98b8b-93bc-42aa-8600-be9b41274b50〈=en-us ＞To prevent loss of data use the Prepare to Remove option, which stops all the device-associated background ＞ activities, after which you can remove the NVMe PCIe SSD physically. What is the background linux command? (about ' stops all the device-associated background activities') ex. echo 1 > /sys/bus/pci/devices/xxxx/xx.x/remove ??