[CentOS] Re: hard drive failing in linux raid
Scott Silva
ssilva at sgvwater.com
Wed Nov 15 17:07:27 UTC 2006
Alexey Loukianov spake the following on 11/15/2006 7:05 AM:
> Greetings, Scott.
>
> 8 ?????? 2006 ?., 19:40:44 you have wrote:
>
>> Adriano Frare spake the following on 11/7/2006 5:51 PM:
>>> I tested RAID 1 with differents size hard disk , it is work.
>>>
>>> You need first, execute command sfdisk -l /dev/hd_GOOD > partitions.txt
>>> Second execute command sfdisk /dev/hd_NEWDISK < partitons.txt.
>>>
>>> After recover process normal RAID recover.
>>>
>> Or shorten it with a pipe;
>> sfdisk -l /dev/hd_GOOD | sfdisk /dev/hd_NEWDISK
>
> To be totally correct, use -uS, as when info is displayed in block
> units, some rounding of the size might occur.
>
> Compare this:
>
> [root at runchik ~]# sfdisk -l /dev/sda
>
> Disk /dev/sda: 8923 cylinders, 255 heads, 63 sectors/track
> Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0
>
> Device Boot Start End #cyls #blocks Id System
> /dev/sda1 * 0+ 12 13- 104391 83 Linux
> /dev/sda2 13 143 131 1052257+ 82 Linux swap
> /dev/sda3 144 8922 8779 70517317+ 8e Linux LVM
> /dev/sda4 0 - 0 0 0 Empty
>
> With this:
>
> [root at runchik ~]# sfdisk -uS -l /dev/sda
>
> Disk /dev/sda: 8923 cylinders, 255 heads, 63 sectors/track
> Units = sectors of 512 bytes, counting from 0
>
> Device Boot Start End #sectors Id System
> /dev/sda1 * 63 208844 208782 83 Linux
> /dev/sda2 208845 2313359 2104515 82 Linux swap
> /dev/sda3 2313360 143347994 141034635 8e Linux LVM
> /dev/sda4 0 - 0 0 Empty
>
I actually forgot about this post, but I meant to post
sfdisk -d /dev/hd_GOOD | sfdisk /dev/hd_NEWDISK
to get the partition table dump that sfdisk is looking for.
--
MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!
More information about the CentOS
mailing list