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Re: Questions on Partitioning across two drives

Jim wrote:
Patrick W. Barnes wrote:
On Sunday 10 May 2009 18:04:35 Jim wrote:
I have a EeePC 1000 with two SSD drives and Fedora 10.
I want to make /  partition larger
sda1 / 8gb
sdb1 /home 32gb

I want to make /home 20gb
I want to make /   20gb

I have  made sdb1 /home 20gb with Gparted and I made with the
unallocated space a   / ext3 primary partition.
how do I make that / partition to join with the /  on  sda1 ?

You will have to create a software RAID0 device that spans across both drives and includes all of the space you want used for /, then create a new partition for / within that RAID device.

What Raid Type would I use ?

You have 2 choices:

1) Create a RAID-0 partition which spans both drives. This results in a single partition. The drives need to be the same size in order for the striping to work. These drives are not the same size. You could stripe the first 8GB for a 16 GB partition, but it would leave you with a 24 GB 2nd partition on sdb, 16/24 is not quite what you want.

2) Use LVM to merge the 2 physical partitions into a single logical volume which spans both drives. Since both logical partitions can be allocated out of the single logical volume, you can make them whatever size you need (ie, both of 20GB should be doable).

Kevin J. Cummings
kjchome rcn com
cummings kjchome homeip net
cummings kjc386 framingham ma us
Registered Linux User #1232 (http://counter.li.org)

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