Have you tried using fsck on the partition? > I have had a 256GB PNY USB stick for quite a while now, and it used to > work just fine. When I bought it I removed the FAT32 partition that PNY > put on it and created a new one, and formatted it to Ext4. I did this > because I frequently have files over 4GB in size. > > Recently the computer locked up (no mouse, no keyboard) so I had to hit > the power switch. The PNY drive was mounted at the time, and it > remained plugged in when I rebooted. But after rebooting I discovered > that it was owned by root. I'm still scratching my head over how that > happened, but I solved the problem with 'sudo chown > jjj:jjj /media/jjj/256GB-2.' (When I created and formatted the Ext4 > partition with gparted I gave it the label 256GB-2.) > > Later I discovered that every time I unplugged it and then plugged it > back in again it was once again owned by root. Usually it > is /dev/sdd,so I also tried to chown /dev/sdd, but that hasn't helped, > nor has 'sudo chmod 777 /dev/sdd' or 'chmod 777 /media/jjj/256GB-2. > > Earlier today the hard drive light began flashing continuously, and > eventually I discovered that the culprit was a program that had finished > the task that I had used it for, but which I hadn't shut down. I closed > it and the hard drive light stopped flashing, yet I began experiencing > strange behavior by the GUI file manage (Thunar), as well as the ls > command. After fiddling with things for an hour without success I > decided to just reboot. Before doing so I backed up all the files to my > Mediasonic external drive, then removed the 256GB drive. On > rebooting the GUI did not come up, but the keyboard was working, so I > opened a command shell, which came up as root. I gave it the command > 'reboot,' which worked and this time the GUI came up normally. > > I poked at things and the file system seemed to be working normally > again, so I plugged in the 256GB drive, and it failed to come up in > Thunar, even though its light flickered as it always does when it is > plugged in. It was also not visible with the ls command or with mount. I > spent nearly half an hour muttering vile words, and then suddenly it > appeared. Quickly checking, it appears that all the files are intact and > owned by me. > > For the record, the computer is my laptop which is pushing six years > old, and on which the OS is Xubuntu 16.04, up to date. It has two > internal SSDs: /dev/sdb (512GB) which holds / and /home, and /dev/sda, > which is a 1TB SSD, for data storage, but mostly empty. The SMART tool > says both are OK. > > I read the man pages for chown and chmod, but I suspect that I don't > understand them thoroughly. It perplexes me that this USB stick isn't > working like it used to. > > Thoughts and suggestions welcome. > _______________________________________________ > PLUG mailing list > [email protected] > http://lists.pdxlinux.org/mailman/listinfo/plug >
Q: Why do programmers confuse Halloween and Christmas? A: Because OCT 31 == DEC 25. _______________________________________________ PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
