Am 19.02.2013 20:02, schrieb Gordan Bobic:
> what exactly do you need to align on the partitions?
For a start, making sure your RAID implementation puts the metadata
at the end of the disk, rather than the beginning.
"my RAID implementation"?
LINUX SOFTWARE RAID
and this is how the raid-partitions are looking
no problem since years
Disk /dev/sda: 2000.4 GB, 2000398934016 bytes, 3907029168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0000ae2c
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 1026047 512000 fd Linux raid autodetect
/dev/sda2 1026048 31746047 15360000 fd Linux raid autodetect
/dev/sda3 31746048 3906971647 1937612800 fd Linux raid autodetect
[root@srv-rhsoft:/downloads]$ sfdisk -d /dev/sda
# partition table of /dev/sda
unit: sectors
/dev/sda1 : start= 2048, size= 1024000, Id=fd, bootable
/dev/sda2 : start= 1026048, size= 30720000, Id=fd
/dev/sda3 : start= 31746048, size=3875225600, Id=fd
/dev/sda4 : start= 0, size= 0, Id= 0
[root@srv-rhsoft:/downloads]$ parted /dev/sda align-check opt 1
1 aligned
[root@srv-rhsoft:/downloads]$ parted /dev/sda align-check opt 2
2 aligned
[root@srv-rhsoft:/downloads]$ parted /dev/sda align-check opt 3
3 aligned