[CentOS] raid resync speed? - laptop drive-
Les Mikesell
lesmikesell at gmail.com
Sat May 22 16:29:57 UTC 2010
Robert Nichols wrote:
> On 05/21/2010 07:39 PM, Robert Nichols wrote:
>> You have another way out. By my calculation, that drive is partitioned
>> in DOS compatibility mode, which leaves the remainder of the MBR track
>> unused. Running fdisk in expert mode ("x" command), you can move the
>> partition's beginning of data ("b" command) from sector 63 back to
>> sector 56. That will give you the needed 4K alignment and a partition
>> that is no smaller than what it was before.
>
> Right idea, not the right procedure. You'll need to turn off DOS
> compatibility mode, then create the partition, and then go into
> expert mode and move the beginning of data from sector 1 to sector
> 56.
>
It ended up like this, but still sync'ing at about 4M/sec instead of 40.
Expert command (m for help): p
Disk /dev/sdh: 255 heads, 63 sectors, 91201 cylinders
Nr AF Hd Sec Cyl Hd Sec Cyl Start Size ID
1 00 0 2 0 254 63 64 56 1465144009 fd
--
Les Mikesell
lesmikesell at gmail.com
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