[CentOS] [OT] disk utility showing message "the partition is misaligned by"
Leon Fauster
leonfauster at googlemail.com
Fri Apr 22 13:19:57 UTC 2016
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
More information about the CentOS
mailing list