Sir, I have tried to mount the USB drive to "/dev/sda" and I have getting please specify valid filesystem on dev sda. Regard -S.Balaji Marcelo Roccasalva wrote: >On Tue, Aug 19, 2008 at 6:25 AM, Balaji <balajisundar at midascomm.com> wrote: > > >>Dear All, >> >> I have using CentOS 4.4 and My PC USB Drive is detected and >> but the device "/dev/sda1" is not initialized and i have executed the >> dmesg command and I am getting the following messages >> usb 1-6: new high speed USB device using address 2 >> SCSI subsystem initialized >> Initializing USB Mass Storage driver... >> scsi0 : SCSI emulation for USB Mass Storage devices >> Vendor: JetFlash Model: TS1GJFV30 Rev: 8.07 >> Type: Direct-Access ANSI SCSI revision: 02 >> USB Mass Storage device found at 2 >> usbcore: registered new driver usb-storage >> USB Mass Storage support registered. >> SCSI device sda: 1986558 512-byte hdwr sectors (1017 MB) >> sda: Write Protect is off >> sda: Mode Sense: 03 00 00 00 >> sda: assuming drive cache: write through >> SCSI device sda: 1986558 512-byte hdwr sectors (1017 MB) >> sda: Write Protect is off >> sda: Mode Sense: 03 00 00 00 >> sda: assuming drive cache: write through >> sda: >> Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0 >> >> > >Maybe it's not partitioned. Have you tried to mount /dev/sda? > > >