On Sat, Jun 27, 2015 at 05:19:03AM +0300, Gena Makhomed wrote: > Hello, All! > > incorrect partition size calculation > > # parted -v > parted (GNU parted) 2.3 > > Model: ATA HGST HUS724040AL (scsi) > Disk /dev/sda: 7814037168s > > how to reproduce: > > parted -s /dev/sda mklabel gpt > parted -s /dev/sda -a none mkpart primary 34s 2047s > parted -s /dev/sda set 1 bios_grub on > parted -s /dev/sda mkpart primary 2048s 2099199s > parted -s /dev/sda set 2 raid on > parted -s /dev/sda mkpart primary 2099200s 102764543s > parted -s /dev/sda set 3 raid on > parted -s /dev/sda mkpart primary zfs 102764544s 7814037134s > > parted > (parted) unit s > (parted) print free > Model: ATA HGST HUS724040AL (scsi) > Disk /dev/sda: 7814037168s > Sector size (logical/physical): 512B/512B > Partition Table: gpt > > Number Start End Size File system Name Flags > 1 34s 2047s 2014s primary bios_grub > 2 2048s 2099199s 2097152s primary raid > 3 2099200s 102764543s 100665344s primary raid > 4 102764544s 7814037134s 7711272591s primary > > (parted) > > ======================================= > > parted reports what /dev/sda4 partition has size of 7711272591s > but this is not true, partition size is 7711272590s: > > 7814037168 - 2014 - 2097152 - 100665344 - 34 - 34 == 7711272590
You are off by 1. start and end are inclusive so the size of sda4 is: 1 + (7814037134 - 102764544) = 7711272591 -- Brian C. Lane | Anaconda Team | IRC: bcl #anaconda | Port Orchard, WA (PST8PDT)