Re: [gentoo-user] dmraid, mdraid, lvm, btrfs, what?

2011-11-29 Thread Michael Mol
On Tue, Nov 29, 2011 at 2:07 AM, Florian Philipp li...@binarywings.net wrote: Am 29.11.2011 05:10, schrieb Michael Mol: I've got four 750GB drives in addition to the installed system drive. I'd like to aggregate them and split them into a few volumes. My first inclination would be to raid

Re: [gentoo-user] dmraid, mdraid, lvm, btrfs, what?

2011-11-29 Thread Mark Knecht
On Mon, Nov 28, 2011 at 8:10 PM, Michael Mol mike...@gmail.com wrote: I've got four 750GB drives in addition to the installed system drive. I'd like to aggregate them and split them into a few volumes. My first inclination would be to raid them and drop lvm on top.  I know lvm well enough,

Re: [gentoo-user] dmraid, mdraid, lvm, btrfs, what?

2011-11-29 Thread Michael Mol
On Tue, Nov 29, 2011 at 9:10 AM, Mark Knecht markkne...@gmail.com wrote: On Mon, Nov 28, 2011 at 8:10 PM, Michael Mol mike...@gmail.com wrote: Hi Michael,   Welcome to the world of what ever sort of multi-disk environment you choose. It's a HUGE topic and a conversation I look forward to

Re: [gentoo-user] dmraid, mdraid, lvm, btrfs, what?

2011-11-29 Thread Florian Philipp
Am 29.11.2011 14:44, schrieb Michael Mol: On Tue, Nov 29, 2011 at 2:07 AM, Florian Philipp li...@binarywings.net wrote: Am 29.11.2011 05:10, schrieb Michael Mol: I've got four 750GB drives in addition to the installed system drive. I'd like to aggregate them and split them into a few

Re: [gentoo-user] dmraid, mdraid, lvm, btrfs, what?

2011-11-29 Thread Michael Mol
On Tue, Nov 29, 2011 at 1:20 PM, Florian Philipp li...@binarywings.net wrote: Am 29.11.2011 14:44, schrieb Michael Mol: On Tue, Nov 29, 2011 at 2:07 AM, Florian Philipp li...@binarywings.net wrote: Am 29.11.2011 05:10, schrieb Michael Mol: I've got four 750GB drives in addition to the

Re: [gentoo-user] dmraid, mdraid, lvm, btrfs, what?

2011-11-29 Thread Jarry
On 29-Nov-11 17:53, Michael Mol wrote: 1) First lesson - not all hard drives make good RAID hard drives. What makes a good RAID unit, and what makes a terrible RAID unit? Some hard-drives are not suitable for raid at all. There are many reasons for that, one example is error-recovery. Check

Re: [gentoo-user] dmraid, mdraid, lvm, btrfs, what?

2011-11-29 Thread Florian Philipp
Am 29.11.2011 19:39, schrieb Michael Mol: On Tue, Nov 29, 2011 at 1:20 PM, Florian Philipp li...@binarywings.net wrote: Am 29.11.2011 14:44, schrieb Michael Mol: On Tue, Nov 29, 2011 at 2:07 AM, Florian Philipp li...@binarywings.net wrote: Am 29.11.2011 05:10, schrieb Michael Mol: I've

Re: [gentoo-user] dmraid, mdraid, lvm, btrfs, what?

2011-11-29 Thread Michael Mol
On Tue, Nov 29, 2011 at 2:23 PM, Florian Philipp li...@binarywings.net wrote: Am 29.11.2011 19:39, schrieb Michael Mol: On Tue, Nov 29, 2011 at 1:20 PM, Florian Philipp li...@binarywings.net wrote: Am 29.11.2011 14:44, schrieb Michael Mol: On Tue, Nov 29, 2011 at 2:07 AM, Florian Philipp

Re: [gentoo-user] dmraid, mdraid, lvm, btrfs, what?

2011-11-29 Thread Mark Knecht
On Tue, Nov 29, 2011 at 11:02 AM, Jarry mr.ja...@gmail.com wrote: On 29-Nov-11 17:53, Michael Mol wrote: 1) First lesson - not all hard drives make good RAID hard drives. What makes a good RAID unit, and what makes a terrible RAID unit? Some hard-drives are not suitable for raid at all.

Re: [gentoo-user] dmraid, mdraid, lvm, btrfs, what?

2011-11-29 Thread Michael Mol
On Tue, Nov 29, 2011 at 2:34 PM, Mark Knecht markkne...@gmail.com wrote: On Tue, Nov 29, 2011 at 11:02 AM, Jarry mr.ja...@gmail.com wrote: On 29-Nov-11 17:53, Michael Mol wrote: 1) First lesson - not all hard drives make good RAID hard drives. What makes a good RAID unit, and what makes a

[gentoo-user] dmraid, mdraid, lvm, btrfs, what?

2011-11-28 Thread Michael Mol
I've got four 750GB drives in addition to the installed system drive. I'd like to aggregate them and split them into a few volumes. My first inclination would be to raid them and drop lvm on top. I know lvm well enough, but I don't remember md that well. Since I don't recall md well, and this

Re: [gentoo-user] dmraid, mdraid, lvm, btrfs, what?

2011-11-28 Thread Florian Philipp
Am 29.11.2011 05:10, schrieb Michael Mol: I've got four 750GB drives in addition to the installed system drive. I'd like to aggregate them and split them into a few volumes. My first inclination would be to raid them and drop lvm on top. I know lvm well enough, but I don't remember md that