----- Original Message ----- > From: "Todd Cary" <todd at aristesoftware.com> > To: centos at centos.org > Sent: Wednesday, October 5, 2011 6:43:10 PM > Subject: Re: [CentOS] Formatting an external USB drive > > Dave - > > I recieved this response and I am not sure what the next step > should be: > > [root at centos5 todd]# /sbin/fdisk /dev/sda1 > > The number of cylinders for this disk is set to 30514. > 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) > > Command (m for help): > [root at centos5 todd]# > > > Todd > > You are trying to run fdisk on the first partition of /dev/sda. Unless you are using an old PATA drive for booting your USB drive should not be /dev/sda. Before you go any further do the following commands and report back with the output. fdisk -l df -h David. > > On 10/5/2011 4:08 PM, David C. Miller wrote: > > ----- Original Message ----- > >> From: "Todd Cary"<todd at aristesoftware.com> > >> To: "CentOS mailing list"<centos at centos.org> > >> Sent: Wednesday, October 5, 2011 3:34:54 PM > >> Subject: [CentOS] Formatting an external USB drive > >> > >> I have an external USB drive that was formatted with NTFS and I > >> want to use it to backup some files from my Centos 5.5 system. > >> > >> When I check my documentation, I am not certain of the best way > >> to do the formatting. > >> > >> Suggestions welcomed.... > >> > >> Todd > >> > >> -- > >> Ariste Software > >> Petaluma, CA 94952 > >> > >> http://www.aristesoftware.com > >> > >> _______________________________________________ > >> CentOS mailing list > >> CentOS at centos.org > >> http://lists.centos.org/mailman/listinfo/centos > >> > > > > Use fdisk as root. Before plugging the drive in type "fdisk -l" to > > get a listing of drives already attached. Plug the drive in and > > after a minute type "fdisk -l" to see the new drive listed. It > > will be something like /dev/sdX where X is the next letter in the > > order. to set the drive up type "fdisk /dev/sdX". To clear the > > partition table type o and hit return and then type w and hit > > return. Now type "fdisk /dev/sdX" again. Type n and hit return. > > Type p and hit return. Type 1 and hit return. Hit return twice > > more to use the whole disk. Type w and hit return to finish. To > > format it type "mkfs.ext3 -L usb-disk /dev/sdX1" and hit return to > > format the partition as ext3. Create a directory to mount the disk > > to "mkdir /backup-disk" and then mount it "mount LABEL=usb-disk > > /backup-disk". To have it auto mount at boot edit the /etc/fstab > > file and add. > > > > LABEL=usb-disk /backup-disk ext3 defaults 0 0 > > > > David. > > _______________________________________________ > > CentOS mailing list > > CentOS at centos.org > > http://lists.centos.org/mailman/listinfo/centos > > > > > > -- > Ariste Software > Petaluma, CA 94952 > > http://www.aristesoftware.com > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos >