On Sun, Aug 11, 2019 at 02:24:25PM +0200, Tomasz Torcz wrote: > On Sun, Aug 11, 2019 at 08:18:54AM -0400, Hendrik Boom wrote: > > On Sun, Aug 11, 2019 at 02:13:48PM +1000, Erik Christiansen wrote: > > > On 10.08.19 21:51, Hendrik Boom wrote: > > > > So I want to find out what's in /dev/sda4 on my hard drive. The > > > > computer has *never* had Windows on it. So I try to mount it, and am > > > > told: > > > > > > > > april:/farhome/hendrik# mount /dev/sda4 /test > > > > NTFS signature is missing. > > > > Failed to mount '/dev/sda4': Invalid argument > > > > The device '/dev/sda4' 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? > > > > april:/farhome/hendrik# > > > > > > > > Why would it try for and NTFS file system on a Linux machine? > > > > > > To move from speculation to analysis requires information. One way to > > > read the filesystem type of an unmounted filesystem is with blkid, e.g.: > > > > > > $ blkid /dev/sdb1 > > > /dev/sdb1: LABEL="fred" UUID="7713e1b5-1bdf-41d1-9aa9" TYPE="ext2" > > > > > > As you have not specified an fstype in the mount command, it'll normally > > > use the blkid libraries to discover the fstype in just this way, so > > > let's see what it finds. > > > > april:/farhome/hendrik# blkid /dev/sda4 > > /dev/sda4: PARTLABEL="Linux filesystem" > > PARTUUID="14fdecea-4672-4d03-9660-868f3fd630ec" > > april:/farhome/hendrik# > > > > And if it doesn't mention type, should I presume that it's likely a > > partition that does not have a file system installed? Or at > > least not one the current Linux system can handle? > > That may be true. You can also check with “wipefs” tool (don't worry, > without -a it won't wipe anything): > > wipefs --no-act /dev/sda4 > > Wipefs has a big database of various filesystem metadata, it detects > almost anything.
april:/farhome/hendrik# wipefs --no-act /dev/sda4 april:/farhome/hendrik# Looks empty. Thanks. Now I wonder why I ever created that partition. -- hendrik > > -- > Tomasz Torcz Only gods can safely risk perfection, > xmpp: zdzich...@chrome.pl it's a dangerous thing for a man. -- Alia > > _______________________________________________ > Dng mailing list > Dng@lists.dyne.org > https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng _______________________________________________ Dng mailing list Dng@lists.dyne.org https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng
