[svlug] Software Raid 1 on different size disks?

Mark msalists at gmx.net
Wed Mar 15 10:27:06 PST 2006

Seems like if the partitions are different in size, the size of the smallest device is used.



> -----Original Message-----
> From: svlug-bounces+msalists=gmx.net at lists.svlug.org 
> [mailto:svlug-bounces+msalists=gmx.net at lists.svlug.org] On 
> Behalf Of Mark
> Sent: Wednesday, March 15, 2006 9:25 AM
> To: 'SVLUG'
> Subject: [svlug] Software Raid 1 on different size disks?
> Hi everyone,
> I have a question regarding software raid. I want to run 
> RAID1 on 2 partitions of 2 different size hard disks (hda1 and hdb1).
> While I will try to make them as similar in size as I can, I 
> am not sure if I will be able to get both partitions at the exact same
> size up to the last byte, since I am using two entirely different HDs.
> Will this be a problem or is md going to handle this 
> automatically and only use the size of the smaller partition 
> as size of the new
> raid1 partition?
> What is the easiest way to get the partitions sized equally? 
> In case it matters: I will be using Fedora Core 4 for this.
> Thanks,
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