On Sun, Nov 15, 2009 at 03:30:55PM -0600, Eric Sandeen wrote: > Florian Weimer wrote: >> * Renato S. Yamane: >> >>> How can I know the average writes per day? >> >> I used iostat (part of sysstat). Perhaps I should have checked first >> if it is accurate. 8-/ > > If you're running ext4, you can look at: > > /sys/fs/ext4/sdXX/lifetime_write_kbytes and > /sys/fs/ext4/sdXX/session_write_kbytes For an umounted filesystem, you can also do this: dumpe2fs -h /dev/XXX | grep "Lifetime writes" dumpe2fs -h /dev/XXX | grep "Filesystem created" Then use a handy-dandy date calculator to figure the number of days between the file system creation date and today, and then divide... - Ted -- 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