is it actually safe to format an usb flash to btrfs? won't it destroy the flash because of the read/writes? On Jul 31, 2012 2:20 AM, "Zhengyu Xu" <xzy3186@xxxxxxxxx> wrote: > On Mon, 2012-07-30 at 17:36 -0400, Kyle wrote: > > Trying to install Arch on a USB key, I am having trouble getting a > bootable system. I created a basic BTRFS filesystem and mounted it with SSD > optimizations and compression. I didn't create any subvolumes or anything > else that is said to be problematic when booting to a BTRFS filesystem. > From that point, I followed the installation guide for a normal install. > However, after reading the documentation for GRUB and Syslinux, my newly > created install doesn't boot. I looked at the wiki entry for installing to > a USB key, but it is still written for AIF and grub-legacy. However, the > main difference I can find doesn't seem to apply, because although it > mentions that the USB key where grub-legacy is installed is always hd0,0, > grub2 is supposed to look for the UUID of the disk, which matches correctly > in /boot/grub/grub.cfg. I also tried setting up this install to boot using > Syslinux, but both bootloaders just drop me into some kind of shell and > refuse to boot. Unfortunately, since I am > > visually impaired and use speech to install and use Arch, I am unable to > see whether I am in a "normal shell" or a rescue shell, or even what kind > of issue the bootloaders are having that keeps them from finding a kernel. > Should I be using a different filesystem other than BTRFS, even though both > bootloaders are said to support it? Should I not be using compression on my > filesystem? Could this be a problem that is entirely unrelated to the > filesystem I'm using? Any help is greatly appreciated. > > ~Kyle > > Did you add usb and btrfs to the hooks array in your mkinitcpio.conf? > > Regards, > Zhengyu Xu > > >