Re: Partitioning questions

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On 01/04/2011 02:34 AM, Alex wrote:
> Hi,
> 
> I'm trying to install FC14 x86_64 on a quad-core AMD box with 4 1TB
> SATA disks, and have some questions about partitioning.
> 
> I'd like to create a RAID5 array with no spares, using all four disks.
> There isn't room in the chassis for more disks, and they will never be
> replaced with larger ones. Should I even worry about LVM?

yes.

raid cannot be partitioned. lvm _is_ partitioning.

so raid5 the 4 disks. put /dev/md0 as the pv into a vg, and then slice it up as
"partitions" with lvm.

as a side benefit you can move the storage from one lv to another lv fairly
easily (something that is near impossible to do with hard disk partitioning).

All the best,

- -Greg

> If so, do I manually create the RAID5 partitions (and devices) that I
> want to use, then wrap them in LVM?
> 
> By default, the installer creates LVM partitions, but it seems they
> must be deleted to create the RAID partitions, correct?
> 
> The installer is very non-intuitive (and more difficult than it needs
> to be) if you want to just create RAID partitions and not LVM.
> 
> Thanks,
> Alex


- -- 
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Please also check the log file at "/dev/null" for additional information.
                (from /var/log/Xorg.setup.log)

| Greg Hosler                                   ghosler@xxxxxxxxxx    |
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