I have a CentOS system that has 508G free space.I want to create a new partition from it.It locates in extended partition.I create new partition and format it as anything (ext4, fat32), after apply it can't finish the process and gives me this error:An error occurred while applying the operationsSee the details for more information.IMPORTANTIf you want support, you need to provide the saved details!See http://gparted.sourceforge.net/larry/tips/save_details.htm for more information.and when I save the save_details.htm it contains this information:GParted 0.6.0Libparted 2.1Create Logical Partition #1 (fat32, 508.23 GiB) on /dev/sda  00:00:01    ( ERROR )calibrate New Partition #1  00:00:00    ( SUCCESS )path: /dev/sda-1start: 184424448end: 1250263039size: 1065838592 (508.23 GiB)create empty partition  00:00:01    ( ERROR )libparted messages    ( INFO )WARNING: the kernel failed to re-read the partition table on /dev/sda (Device or resource busy). As a result, it may not reflect all of your changes until after reboot.WARNING: the kernel failed to re-read the partition table on /dev/sda (Device or resource busy). As a result, it may not reflect all of your changes until after reboot.========================================I used fdisk and created /dev/sda6, and I see partitions like this:$ sudo fdisk -l Disk /dev/sda: 640.1 GB, 640135028736 bytes255 heads, 63 sectors/track, 77825 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk identifier: 0xa62a8bc3   Device Boot      Start         End      Blocks   Id  System/dev/sda1   *           1         262     2097152   83  LinuxPartition 1 does not end on cylinder boundary./dev/sda2             262        5361    40960000   83  Linux/dev/sda3            5361       10460    40960000   83  Linux/dev/sda4           10460       77826   541113344    5  Extended/dev/sda5           10461       11480     8192000   82  Linux swap / Solaris/dev/sda6           11480       77825   532917056+  83  LinuxPartition 6 does not start on physical sector boundary.but when I use mkfs to format it I see this error:$ sudo mkfs -t ext4 /dev/sda6mke2fs 1.41.12 (17-May-2010)Could not stat /dev/sda6 --- No such file or directoryThe device apparently does not exist; did you specify it correctly?What is the problem?
Can not create new partition
partition;fdisk;gparted
You Should inform kernel about the changes made to the disk. for that you need to run partprobe.# partprobe /dev/sda6Then you should run mkfs.ext4 to assign the filesystem to the newly created partition.# mkfs.ext4 /dev/sda6In this way your partition is ready to mount # mount /dev/sda6 /mountpoint