Am 22.04.2016 um 12:40 schrieb g <geleem at bellsouth.net>: > greetings. > > centos 6.7 [current] > > > 'disk utility' has started showing message; > > WARNING: The partition is misaligned by 2560 bytes. This may > result in very poor performance. Repartitioning is suggested. > > for sdc5 - /home partition. > > /dev/sdc5 302243312 156348604 130534968 55% /home > /dev/sdc7 80854912 57088 76683952 1% /hdd/c/07 > > other than time involved to backup sdc5, repartition is not a problem. > > to my thinking, but not recalling, with fsck; > > fsck -rN -t ext4 /dev/sdc5 * to check repairs > fsck -r -t ext4 /dev/sdc5 * to repair > > > gparted was used to partition drive. is pmagic live a better choice, > or should i return fdisk because; > > =+=+= > $ sudo fdisk -l /dev/sdc > [sudo] password for geo: > > Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes > 255 heads, 63 sectors/track, 121601 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > Sector size (logical/physical): 512 bytes / 4096 bytes > I/O size (minimum/optimal): 4096 bytes / 4096 bytes > Disk identifier: 0x0009ede7 > > Device Boot Start End Blocks Id System > /dev/sdc1 * 1 103 819200 83 Linux > Partition 1 does not end on cylinder boundary. > /dev/sdc2 103 230 1024000 82 Linux swap / Solaris > Partition 2 does not end on cylinder boundary. > /dev/sdc3 230 2107 15073280 83 Linux > /dev/sdc4 2107 121602 959844352 5 Extended > /dev/sdc5 2108 42019 320587970+ 83 Linux > Partition 5 does not start on physical sector boundary. > =+=+= > > suggestions for correcting above boundaries also appreciated. > > help needed and greatly appreciated. check it with: blockdev --getalignoff /dev/sd (if a '0' is returned, the partition is aligned) -- LF