AW: RAID greater than 2TB on Fedora Core 3

Masopust Christian christian.masopust at siemens.com
Mon Apr 4 19:11:15 UTC 2005


Hi Rick,

is it really (nowadays??) a problem of SCSI-controler?

thanks,
christian
 

-----Ursprüngliche Nachricht-----
Von: fedora-list-bounces at redhat.com [mailto:fedora-list-bounces at redhat.com]
Im Auftrag von Rick Stevens
Gesendet: Montag, 04. April 2005 19:49
An: For users of Fedora Core releases
Betreff: Re: RAID greater than 2TB on Fedora Core 3

Alasdair G Kergon wrote:
> On Mon, Apr 04, 2005 at 11:13:40AM -0400, Scot L. Harris wrote:
> 
>>If you are just trying to use all of the raw disk space you have in a
>>single file system then you probably don't want raid, you want to use
>>LVM.  LVM creates logical volumes across multiple drives and allows you
>>to create very large file systems.  Understand though that this is not
>>raid, it does not provide redundancy if one of the hard drives fails.
> 
>  
> PS. Don't use FC3's LVM2/device-mapper with stripes > 1TB or 
> you risk data corruption.
> 
> You need userspace lvm2 >= 2.01.03 and kernel >= 2.6.11-rc4.

Also keep in mind that the 2TB limit is not a Linux limitation, but
is an inherent limitation in SCSI.
----------------------------------------------------------------------
- Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
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-                 understand binary and those who don't              -
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