![]() ![]() 4 Cardiff University School of Medicine, Cardiff University, Cardiff, UK.3 Radiation Oncology, Princess Margaret Cancer Centre, University Health Network, Toronto, Canada.Electronic address: 2 Genito-Urinary Cancer Research Group, Department of Surgery, The Christie Hospital, Manchester, UK Department of Urology, Salford Royal Hospitals, Manchester, UK. 1 The Institute of Cancer Research, Royal Marsden NHS Foundation Trust, Sutton, UK.That’s all! dd command is a powerful Linux tool that should be used with caution when copying or cloning Linux partitions or drives. ![]() In other words you tell dd to copy the first 512 bytes from /dev/sda to the file you have provided. The above command tells dd to copy /dev/sda to /backup/mbr.img with step of 512 bytes and the count option tells to copy only 1 block. ![]() So if you want to create backup of your MBR, simply run: # dd if=/dev/sda of=/backup/mbr.img bs=512 count=1. Verify Linux Hard Drive Cloning How to Backup MBR in Linuxĭd command can also be used to backup your MBR, which is located at the first sector of the device, before the first partition. ![]() You can verify the changes by listing both drives with fdisk command. This should have copied the drive /dev/sdb with its partitions on the target hard drive /dev/sdc. Note that in this case it is recommended that the hard drive is same in size (or bigger) than the source drive. However, instead of specifying the partition, you just use the entire drive. Verify Linux Partition Cloning How to Clone Linux Hard DriveĬloning a Linux hard drive is similar to cloning a partition. Clone Linux Partition with dd CommandĪfter cloning Linux partition, you can then check both partitions with: # fdisk -l /dev/sdb1 /dev/sdc1 The above command tells dd to use /dev/sdb1 as input file and write it to output file /dev/sdc1. Now clone a partition /dev/sdb1/ to /dev/sdc1 using the following dd command. ![]()
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