El 08/03/2013 05:32 p.m., Miller,Jason [Burlington] escribió: > Hello, new Linux user here and I cannot mount a new (empty) WD MyBook > Essentials 3TB USB external hard drive (Model WDBACW0030HBK-NESN). > > I'm only about 3 weeks into this linux thing and so please forgive me if > any of my syntax is off > > > > My linux OS is CentOS 5.4 x86-64 running on a dedicated HP z400. The WD > MyBook is to back up the large data files we are creating on the HP400 > (it's used to run a DNA sequencer) > > > > I plugged the brand new MyBook into my XP system and cleaned out all > the pre-installed WD files as soon as I got it, then plugged into my > Linux system (2 completely separate machines). It failed to auto-mount > with this error: > > > > Failed to read last sector (732558079): Invalid argument > HINTS: Either the volume is a RAID/LDM but it wasn't setup yet, > or it was not setup correctly (e.g. by not using mdadm --build ...), > or a wrong device is tried to be mounted, > or the partition table is corrupt (partition is smaller than NTFS), > or the NTFS boot sector is corrupt (NTFS size is not valid). > Failed to mount '/dev/sdc1': Invalid argument > The device '/dev/sdc1' doesn't seem to have a valid NTFS. > Maybe the wrong device is used? Or the whole disk instead of a > partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around? > > > > > > I've been searching in many forums and such but so far nothing I've > tried has worked, including: > > > > Reformatting the HD (on the XP machine), NTFS format using 4096 byte > allocation size (slow format, took hours) > > Reformatting the HD (on the XP machine), NTFS format using 512 byte > allocation size (that the size used on the two ext3 internal drives; > used "quick format" option this time) > > > > Adding a new directory: > > # mkdir /media/MyBook > > > > Then changing fstab to add line: > > /dev/sdc1 /media/MyBook ntfs-3g > rw,umask=0000,defaults 0 0 > > > > Then: > > # mount /media/MyBook > > > > Which returned the same error each time > > > > I installed gparted, then opened the GUI program. It nicely displays the > info on the two installed ext3 hard drives but that's all it shows > > > > Here's some info on other packages which were investigated, installed > or updated in an attempt to mount this USB drive: > > ntfs-3g would not install, yum reported conflicts with fuse-ntfs-3g > > dkms-fuse is not installed > > dkms not installed > > fuse-ntfs-3g (updated to latest version) > > parted (updated to latest version) > > > > When I run > > # parted /dev/sdc > > Or > > # parted /dev/sdc1 > > I get this message: > > Warning: Device /dev/sdc has a logical sector size of 4096. Not all > parts of GNU Parted support this at the moment, and the working code is > HIGHLY EXPERIMENTAL. > > > > When I use "print" command in gparted I get > > Error: unable to open /dev/sdc (or /dev/sdc1) - unrecognized disk label > > > > I also tried fdisk > > # fdisk /dev/sdc > > And received this message: > > The number of cylinders for this disk is set to 45599. There is nothing > wrong with that, but this is larger than 1024, and could in certain > setups cause problems with: > > 1) software that runs at boot time (e.g., old versions of LILO) > > 2) booting and partitioning software from other Oss (e.g., DOS FDISK, > OS/2 FDISK) > > > > WARNING: The size of this disk is 3 TB > > DOS partition table format can not be used on drives for volumes larger > than (2199023255040 bytes) for 512-byte sectors. Use parted(1) and GUID > > partition table format (GPT). > > > > > > Similar results when I used > > # fdisk /dev/sdc1 > > Except some number were different (ie number of cylinders report as > 12180) > > > > What am I doing wrong? Is all this problem simply due to the size of the > hard drive (3TB)? I also have a 1TB Seagate used to backup several other > computers (all XP or Win7). Would I be better to use the Seagate on the > linux and the WD on the windows systems? > > > > Thanks > > > > Jason Miller > > J.Miller at ec.gc.ca <mailto:J.Miller at ec.gc.ca> > > > > Aquatic Contaminants Research Division > > National Water Research Institute > Environment Canada - Canada Centre for Inland Waters > 867 Lakeshore Rd. > Burlington, Ontario, Canada > L7R 4A6 > > 905-336-4537 > > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos Why you don't format it as ext3? NTFS support on Linux is not very cool.