![]() ![]() ![]() wipefs calls the BLKRRPART ioctl when it has erased a partition-table signature to inform the kernel about the change. When used without any options, wipefs lists all visible filesystems and the offsets of their basic signatures. You can modify this %pre script to identify and delete and more partitions, file systems on your Linux environment. wipefs does not erase the filesystem itself nor any other data from the device. Raid_devices=$(mktemp /tmp/mdstat.XXXXXXXXX)Ĭat /proc/mdstat | grep ^md | cut -d : -f 1 > $raid_devicesĪvailable_disks=$(mktemp /tmp/disks.XXXXXXXXX) From man wipefs wipefs can erase filesystem, raid or partition-table signatures (magic strings) from the specified device to make the signatures invisible for libblkid. time to check it to see if the drive array is. The wipefs program lets you easily delete the partition-table signature: wipefs -a /dev/sda From man wipefs. As a solution we will write a %pre script to manually delete all existing partitions, wipe out all partition and file system labels, delete any raid devicesīelow is my sample %pre script to fix kickstart clearpart not working problem. The wipefs program lets you easily delete the partition-table signature: wipefs -a /dev/sda You still have to stop any process using the device though, such as LVM. You have to unmount the partition before removing the partition. only a minimal amount of zeros to be written (wipefs) this is quick. It is possible that a partition is still in use which is why clearpart fails to delete partitions. If you specify Free Space for format, the partition itself is deleted (removed. Make sure you use correct device names with the wipefs command. Sample outputs: Fig. Solution: Kickstart clearpart not working Be Careful: With just a few keystrokes, wipefs can wipe out part or all of your hard disk signature or working partition. Type the following command: sudo wipefs /dev/sda. ALSO READ: How to perform tar incremental backup with example in Linux ![]()
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