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I recently created a disk with a single xfs partition in ubuntu 9.04. I tried plugging it back in as a USB disk using an enclosure, and it shows up as /dev/sde. Unfortunately there is no /dev/sde1. cfdisk and other tools show that the partition is there, but the actual device file is not there, which means I cannot mount it. What could cause this behavior, and how can I fix it? I tried running cfdisk, and re-writing the partition table, which just caused cfdisk to indefinitely hang. | ||||
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Ick. You may have to manually recreate the device. I've had to do it a few times on older kernels that didn't correctly handle HP raid cards. The key to determining if the partition sees it is if it shows up in /proc/partitions. If it doesn't show up there, the kernel has no knowledge of it. As it is seeing /dev/sde, it should populate it. /proc/partitions gives output like major minor #blocks name 8 0 312571224 sda 8 1 530113 sda1 8 2 1 sda2 8 3 18346230 sda3 8 5 3148708 sda5 8 6 46074420 sda6 8 7 126953631 sda7 8 8 117507379 sda8 Which can be used with the mknod command to create an entry in /dev. mknod /dev/sda1 b 8 1 That would create /dev/sda1 on my system if udev didn't pick it up. You can then mount it from there. This is a good way to determine if the device is really correctly set up, or if there is a problem with the media in some way. | |||
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