The only way to change it to a mbr is to wipe the entire drive. You are changing the partition layout and definition. On Jul 6, 2012 9:57 PM, "brett michaels" <[email protected]> wrote:
> When I tried to install Arch on /dev/sdc4, it wouldn't install because the > partition labeled as "gpt" was incorrect and instructed to use "GNU Parted" > to change the label to "MBR". > I have been trying to do that, but the program does not seem to recognize > any drive other than /dev/sda. > Below is a pasted version of one of several attempts to change the disk > back to "mbr". > Is there any way to get the program to recognize the other 2 drives and > change the label to "mbr" without losing data? > I also attempted to run GNU Parted from /dev/sdc, but it only recognizes > /dev/sda.. > This disaster was the result of a failed attempt to install Centos.. > > root@Plato:/home/rpmcmurphy# parted > GNU Parted 2.3 > Using /dev/sda > Welcome to GNU Parted! Type 'help' to view a list of commands. > (parted) DEVICE /dev/sdc > align-check TYPE N check partition N for > TYPE(min|opt) > alignment > check NUMBER do a simple check on the file > system > cp [FROM-DEVICE] FROM-NUMBER TO-NUMBER copy file system to another > partition > help [COMMAND] print general help, or help on > COMMAND > mklabel,mktable LABEL-TYPE create a new disklabel > (partition > table) > mkfs NUMBER FS-TYPE make a FS-TYPE file system on > partition NUMBER > mkpart PART-TYPE [FS-TYPE] START END make a partition > mkpartfs PART-TYPE FS-TYPE START END make a partition with a file > system > move NUMBER START END move partition NUMBER > name NUMBER NAME name partition NUMBER as NAME > print [devices|free|list,all|NUMBER] display the partition table, > available devices, free space, all found partitions, or a > particular > partition > quit exit program > rescue START END rescue a lost partition near > START > and END > resize NUMBER START END resize partition NUMBER and its > file > system > rm NUMBER delete partition NUMBER > select DEVICE choose the device to edit > set NUMBER FLAG STATE change the FLAG on partition > NUMBER > toggle [NUMBER [FLAG]] toggle the state of FLAG on > partition > NUMBER > unit UNIT set the default unit to UNIT > version display the version number and > copyright information of GNU Parted > align-check TYPE N check partition N for > TYPE(min|opt) > alignment > check NUMBER do a simple check on the file > system > cp [FROM-DEVICE] FROM-NUMBER TO-NUMBER copy file system to another > partition > help [COMMAND] print general help, or help on > COMMAND > mklabel,mktable LABEL-TYPE create a new disklabel > (partition > table) > mkfs NUMBER FS-TYPE make a FS-TYPE file system on > partition NUMBER > mkpart PART-TYPE [FS-TYPE] START END make a partition > mkpartfs PART-TYPE FS-TYPE START END make a partition with a file > system > move NUMBER START END move partition NUMBER > name NUMBER NAME name partition NUMBER as NAME > print [devices|free|list,all|NUMBER] display the partition table, > available devices, free space, all found partitions, or a > particular > partition > quit exit program > rescue START END rescue a lost partition near > START > and END > resize NUMBER START END resize partition NUMBER and its > file > system > rm NUMBER delete partition NUMBER > select DEVICE choose the device to edit > set NUMBER FLAG STATE change the FLAG on partition > NUMBER > toggle [NUMBER [FLAG]] toggle the state of FLAG on > partition > NUMBER > unit UNIT set the default unit to UNIT > version display the version number and > copyright information of GNU Parted > (parted) print > Model: ATA WDC WD20EARS-00M (scsi) > Disk /dev/sda: 2000GB > Sector size (logical/physical): 512B/512B > Partition Table: gpt > > Number Start End Size File system Name Flags > 1 17.4kB 1018kB 1000kB bios_grub > 2 1018kB 1984GB 1984GB ext3 boot > 3 1984GB 2000GB 16.4GB linux-swap(v1) > > (parted) DEVICE /dev/sdc mklabel > align-check TYPE N check partition N for > TYPE(min|opt) > alignment > check NUMBER do a simple check on the file > system > cp [FROM-DEVICE] FROM-NUMBER TO-NUMBER copy file system to another > partition > help [COMMAND] print general help, or help on > COMMAND > mklabel,mktable LABEL-TYPE create a new disklabel > (partition > table) > mkfs NUMBER FS-TYPE make a FS-TYPE file system on > partition NUMBER > mkpart PART-TYPE [FS-TYPE] START END make a partition > mkpartfs PART-TYPE FS-TYPE START END make a partition with a file > system > move NUMBER START END move partition NUMBER > name NUMBER NAME name partition NUMBER as NAME > print [devices|free|list,all|NUMBER] display the partition table, > available devices, free space, all found partitions, or a > particular > partition > quit exit program > rescue START END rescue a lost partition near > START > and END > resize NUMBER START END resize partition NUMBER and its > file > system > rm NUMBER delete partition NUMBER > select DEVICE choose the device to edit > set NUMBER FLAG STATE change the FLAG on partition > NUMBER > toggle [NUMBER [FLAG]] toggle the state of FLAG on > partition > NUMBER > unit UNIT set the default unit to UNIT > version display the version number and > copyright information of GNU Parted > align-check TYPE N check partition N for > TYPE(min|opt) > alignment > check NUMBER do a simple check on the file > system > cp [FROM-DEVICE] FROM-NUMBER TO-NUMBER copy file system to another > partition > help [COMMAND] print general help, or help on > COMMAND > mklabel,mktable LABEL-TYPE create a new disklabel > (partition > table) > mkfs NUMBER FS-TYPE make a FS-TYPE file system on > partition NUMBER > mkpart PART-TYPE [FS-TYPE] START END make a partition > mkpartfs PART-TYPE FS-TYPE START END make a partition with a file > system > move NUMBER START END move partition NUMBER > name NUMBER NAME name partition NUMBER as NAME > print [devices|free|list,all|NUMBER] display the partition table, > available devices, free space, all found partitions, or a > particular > partition > quit exit program > rescue START END rescue a lost partition near > START > and END > resize NUMBER START END resize partition NUMBER and its > file > system > rm NUMBER delete partition NUMBER > select DEVICE choose the device to edit > set NUMBER FLAG STATE change the FLAG on partition > NUMBER > toggle [NUMBER [FLAG]] toggle the state of FLAG on > partition > NUMBER > unit UNIT set the default unit to UNIT > version display the version number and > copyright information of GNU Parted > New disk label type? MBR > parted: invalid token: MBR > New disk label type? GPT > Warning: Partition(s) on /dev/sda are being used. > Ignore/Cancel? Cancel > (parted) >

