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Old 11-18-2011, 01:21 PM
Andreas Reschke
 
Default Antwort: How can I create raid 1 - Centos 5.7 64 minimal installation

centos-bounces@centos.org schrieb am 18.11.2011 14:52:58:

> Adil BOYUN <adilboyun@gmail.com>
> Gesendet von: centos-bounces@centos.org
>
> 18.11.2011 15:13
>
> Bitte antworten an
> CentOS mailing list <centos@centos.org>
>
> An
>
> centos@centos.org
>
> Kopie
>
> Thema
>
> [CentOS] How can I create raid 1 - Centos 5.7 64 minimal installation
>
> Hello,
>
> I have a server working on centos 5.7-64 minimal installation. I have
> 3 separate physical drives:
>
> 120 gb ssd, 2x 3tb disks for storage.
>
> My linux installation is on ssd disk, and I want to make raid 1 for
> these two 3tb disks and store data, like under /mnt/data.
>
> Can you please tell me the path how this is possible?
> Thanks for your help!
>
> Best regards,
>
> Here are some output of commands I ran for more data:
>
> [root@CentOS-57-64-minimal tmp]# fdisk -l | grep '^Disk'
> Disk /dev/sdb doesn't contain a valid partition table
> Disk /dev/sdc doesn't contain a valid partition table
> Disk /dev/sda: 120.0 GB, 120034123776 bytes
> Disk /dev/sdb: 3000.5 GB, 3000592982016 bytes
> Disk /dev/sdc: 3000.5 GB, 3000592982016 bytes
>
> [root@CentOS-57-64-minimal tmp]# df -l
> Filesystem 1K-blocks Used Available Use% Mounted on
> /dev/sda3 113695432 1427792 106537696 2% /
> /dev/sda2 520136 23576 470348 5% /boot
>
> [root@CentOS-57-64-minimal tmp]# fdisk -l
>
> Disk /dev/sda: 120.0 GB, 120034123776 bytes
> 64 heads, 32 sectors/track, 114473 cylinders
> Units = cylinders of 2048 * 512 = 1048576 bytes
>
> Device Boot Start End Blocks Id System
> /dev/sda1 2 2048 2096128 82 Linux swap /
Solaris
> /dev/sda2 2049 2560 524288 83 Linux
> /dev/sda3 2561 114473 114598912 83 Linux
>
> Disk /dev/sdb: 3000.5 GB, 3000592982016 bytes
> 255 heads, 63 sectors/track, 364801 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
>
> Disk /dev/sdb doesn't contain a valid partition table
>
> Disk /dev/sdc: 3000.5 GB, 3000592982016 bytes
> 255 heads, 63 sectors/track, 364801 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
>
> Disk /dev/sdc doesn't contain a valid partition table
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Hi Adil,
please look at http://wiki.centos.org/FAQ/CentOS5 (10. How do I install a
software RAID on CentOS 5?)


Gruß
Andreas Reschke
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Unix/Linux-Administration
Andreas.Reschke@behrgroup.com
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