On 7/1/14, 12:41 AM, Rishabh Singh B.Tech., CSE, IIT-BHU, Varanasi (INDIA) wrote: > I have enabled the TRIM option in SSDs by adding "discard" to the > /etc/fstab. Removing the discard option does indeed stop "real time" trim/discards from being sent by the filesystem when blocks are freed. > But even after removing the "discard" the TRIM does not > appear to be disabled. This I can conclude from the write and read > speeds. How do I disable it? Your methodology for reaching your conclusion must be flawed. :) (of course you remounted after changing fstab, right, and "discard" no longer shows up in /proc/mounts for this filesystem?) -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html