How to make software raid on Centos 4

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]



Raid0?  I am assuming you are going for the speed benefits(which 
are neglible at worst and not 2x the speed at best) instead of 
data security?

Bank wrote:

> I use dmraid as you see in.
> http://www.net-forums.net/forums/Mounting_Ntfs_Partions_On_Raid_0_Device-t19
> 791.html
> 
> 
> my mainboard is MSI RS480 M2
> http://www.msi.com.tw/program/products/mainboard/mbd/pro_mbd_detail.php?UID=
> 639
> CPU AMD 64 3000+
> HDD Segate 20G IDE
>           Maxtor 160G SATA x 2
> 
> My mainboard have silicon image SATA Raid controller building.
> Then I compile kernel 2.6.11 and enable data-mapper module.
> 
> And I create Maxtor 160G x 2 to raid 0 .
> [root@ares ~]# dmraid  -s
> *** Active Set
> name   : sil_afaeafbgccbgb
> size   : 640339968
> stride : 64
> type   : striped
> status : ok
> subsets: 0
> devs   : 2
> spares : 0
> [root@ares ~]# sfdisk --show-size /dev/mapper/sil_afaeafbgccbgb
> 320169984
> [root@ares ~]# sfdisk --show-size /dev/mapper/sil_afaeafbgccbgb1
> 320167386
> 
> Every thing seem to be OK, but when I mount  /dev/mapper/sil_afaeafbgccbgb1
> and use command df.
> 
> [root@ares ~]# df
> Filesystem           1K-blocks      Used Available Use% Mounted on
> /dev/hda3             36384656   2596712  31939668   8% /
> /dev/hda1               101105     46194     49690  49% /boot
> none                    504892         0    504892   0% /dev/shm
> /dev/mapper/sil_afaeafbgccbgb1
>                      160074724  17954072 142120652  12%
> /home/topwarez.com/torrent/httpd/users
> 
> Why the system show a half size (160074724 ) of my raid array.
> 
> 
> 
> 
> 
> -----Original Message-----
> From: centos-bounces@xxxxxxxxxx [mailto:centos-bounces@xxxxxxxxxx] On Behalf
> Of Johnny Hughes
> Sent: Thursday, April 07, 2005 5:41 PM
> To: CentOS ML
> Subject: Re:  How to make software raid on Centos 4
> 
> On Thu, 2005-04-07 at 17:33 +0700, Bank wrote:
> 
>>My mainboard have SATA Raid function (sata_sil).
>>
>>I want to create software raid on Centos 4, but I can't see mkraid
> 
> packeage.
> 
>>How would I create software raid 0 on centos 4.
>>
> 
> 
> use the program:
> 
> mdadm
> 
> see "man mdadm" for details :)
> 
> 
> _______________________________________________
> CentOS mailing list
> CentOS@xxxxxxxxxx
> http://lists.centos.org/mailman/listinfo/centos
> 

-- 
Computer Housecalls, Networks, Security, Web Design:
http://www.emmanuelcomputerconsulting.com
My "Foundation" verse:
Isa 54:17  No weapon that is formed against thee shall prosper; 
and every tongue that shall rise against thee in judgment thou 
shalt condemn. This is the heritage of the servants of the LORD, 
and their righteousness is of me, saith the LORD.

-- carpe ductum -- "Grab the tape"
CDTT (Certified Duct Tape Technician)

Linux user #322099
Machines:
206822
256638
276825
http://counter.li.org/

[Index of Archives]     [CentOS]     [CentOS Announce]     [CentOS Development]     [CentOS ARM Devel]     [CentOS Docs]     [CentOS Virtualization]     [Carrier Grade Linux]     [Linux Media]     [Asterisk]     [DCCP]     [Netdev]     [Xorg]     [Linux USB]
  Powered by Linux