RAID greater than 2TB on Fedora Core 3
Rick Stevens
rstevens at vitalstream.com
Mon Apr 4 17:48:56 UTC 2005
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.
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- Rick Stevens, Senior Systems Engineer rstevens at vitalstream.com -
- VitalStream, Inc. http://www.vitalstream.com -
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