Hello Lev, What happens if you pre-create the sparse files before you invoke fio and then use the filename= argument to specify to fio to use your sparse files? On Wed, Mar 6, 2013 at 7:12 AM, Lev Serebryakov <lev@xxxxxxxxxxxxxxxxxx> wrote: > > Hello, Fio. > > How could I tell fio to don't write anything but last byte into > files used for jobs? I need to test random write to sparse files with > read only from written parts (like dumb torrent clients does). > > And why when I have N jobs with "filesize=2G-4G" all filesizes for > all jobs are equal? > > -- > // Black Lion AKA Lev Serebryakov <lev@xxxxxxxxxxxxxxxxxx> > > -- > To unsubscribe from this list: send the line "unsubscribe fio" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Matthew Hayward Director Professional Services Delphix: https://www.facebook.com/DelphixCorp https://twitter.com/delphixcorp M: 206.849.6389 275 Middlefield Road, Suite 50 Menlo Park, CA 94025 http://www.delphix.com -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
