Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> c.d.o.server -> Re: ASM -- Is it Mirrored Stripes or Striped Mirrors

Re: ASM -- Is it Mirrored Stripes or Striped Mirrors

From: Jagjeet Singh <jagjeet.malhi_at_gmail.com>
Date: 6 Dec 2006 20:57:41 -0800
Message-ID: <1165467461.590006.10910@l12g2000cwl.googlegroups.com>


Hello ..

Can anybody please spare few minutes to look into this ?

Regards,
Jagjeet Singh
Jagjeet Singh wrote:
> Hi,
>
> I am trying to understand about ASM striping and mirroring mechanism.
>
> As It is confirm that I does both the things but I want to know whether
> it does 1+0 or 0+1
>
> like First it does mirroring and then striping or striping and then
> mirroring.
>
> Like If I create a normal redundancy diskgroup using
>
> create diskgroup dg normal redundancy
> failgroup f1 disk 'disk1','disk2'
> failgroup f2 disk 'disk3,disk4';
>
> And as per RAID 1+0
>
> DG
> |
> F1 --------------------------------------F2
> | |
> Disk1, Disk2 Disk3,Disk4
>
> And suppose 2 blocks [ b1 and b2 ] are occupied or get extended in
> this diskgroup then would it be speeded like
>
>
> DG
> |
> F1 ----------------------------------------- F2
> | |
> Disk1, Disk2 Disk3,Disk4
>
> b1 b1 b2 .b2
>
>
> or
>
> DG
> |
> F1 ----------------------------------------- F2
> | |
> Disk1, Disk2 Disk3,Disk4
>
> b1 b2 b1 .b2
>
>
> Regards,
> Jagjeet Singh
Received on Wed Dec 06 2006 - 22:57:41 CST

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US