Trim support rarely documented in the controller documentation. But in general, USB controllers do not support the online trim. Some do support kernel 'unmap' (The kernel keeps track of what needs trimmed)
Here is a quick article I found, which at least describes what's going on. https://lemariva.com/blog/2020/08/raspberry-pi-4-ssd-booting-enabled-trim There were not as nice of writeups availiable when I set this up on my Samsumg T5 SSD. Please note the warnings in the blog. piCorePlayer a small player for the Raspberry Pi in RAM. Homepage: https://www.picoreplayer.org Please 'donate' (https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=U7JHY5WYHCNRU&lc=GB¤cy_code=USD&bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHosted) if you like the piCorePlayer ------------------------------------------------------------------------ paul-'s Profile: http://forums.slimdevices.com/member.php?userid=58858 View this thread: http://forums.slimdevices.com/showthread.php?t=113575 _______________________________________________ unix mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/unix
