2013/6/9 Alfredo Palhares <masterkorp@xxxxxxxxxxxxxx>: > Hello, > > So I was creating a archlinux usb bootable drive: > > [root@masterkorp-laptop Downloads]# dd bs=4M if=archlinux-2013.06.01-dual.iso of=/dev/sdb > 130+1 records in > 130+1 records out > 548405248 bytes (548 MB) copied, 0.964976 s, 568 MB/s > > I was like WOW, this was too fast! But nothing ever gets written to > the pen drive. > To add to the weird factor, a dd to dev/sdb1 (partition) works as it > should, slowly. But then ofcourse the iso gets unbootable. > > The md5sum on the iso is correct. > I tried with diferent pen drives. > > Please, any suggestions is welcome. > I've been having this sort of problems with removable storage lately (copying multiple GBs of songs in a few seconds, except not really). The workaround I found out is to run the sync command after copying. That could take some time as all your data is being actually written to disk. I believe this is related to the write cache, please let me know if you find a better solution to this. -- Pedro Emílio Machado de Brito Engenharia de Computação 2012 - Unicamp Coordenador Tecnológico - Centro Acadêmico da Computação (CACo) (34) 9673-0963 - Facebook/Skype: pedroembrito - Github: pemb 18hxPDGcNDpsYYKJ2aghSh3mm9n3c4C7pf "Repair what you can — but when you must fail, fail noisily and as soon as possible." · Eric S. Raymond