3 ms·For SATA SSDs I just use `blkdiscard´. It gets the job done, and it's Secure Enough.by encom 2y agoFor SATA SSDs I just use `blkdiscard´. It gets the job done, and it's Secure Enough.fmajid 2y agoWhat does it do, mark all blocks as discarded then run a TRIM?encom 2y agoYes, it's like `fstrim´ except it indiscriminately discards the entire block device.