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Re: [linux-lvm] 8TB logical volumes with LVM2

On Tue, Jan 24, 2006 at 07:50:04PM -0800, Devon H. O'Dell wrote:
> Hello folks,
> I'm trying to configure a system with 2 12 port 3ware 9550SX SATA RAID
> cards to join the two physical volumes exported by the cards into a
> single logical volume. There are 24x400GB drives, so the total is just
> above 8TB.

I did pretty much the same thing on a Caos Linux system with two
twelve-port 3ware 9000 SATA raid and twenty-four 250 GB disks,
creating one big 6.6T file system.  No problems to report from
here.  You did make GPT labels on the two SCSI devices, didn't

David S.

> After running the following commands:
> pvcreate --metadatasize 1024 /dev/sdb1
> pvcreate --metadatasize 1024 /dev/sdc1
> vgcreate -s 128M vg0 /dev/sdb1 /dev/sdc1
> lvcreate -n lv0 -L8T vg0
> The lvcreate command gobbles up CPU and memory as would be expected,
> however, I get the following error message:
> device-mapper device too small for target: /dev/sdb1
> device mapper ioctl cmd 9 failed: Invalid argument.
> could not load device vg0-lv0
> failed to activate new LV
> Am I doing something incorrectly? I've tried with both Fedora Core 3
> and Fedora Core 4. Any pointers on how I should continue with this
> would be greatly appreciated.
> Kind regards,
> Devon H. O'Dell
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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/

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