Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-24 Thread Bruce Hill
On Wed, May 20, 2015 at 12:20:29PM +, Alan Mackenzie wrote: No no no! LiLo, on a six year old machine actually works well. It does exactly what it says on the packet, i.e. it boots up the machine, and nothing more. I use LiLo, mainly to avoid the complexities of Grub. -- Alan

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-21 Thread Peter Humphrey
On Wednesday 20 May 2015 21:35:11 Neil Bothwick wrote: On Wed, 20 May 2015 16:08:53 +0100, Peter Humphrey wrote: I followed the instructions in https://wiki.gentoo.org/wiki/GRUB2_Migration, after copying my grub.conf as you suggested, but when I rebooted, the GRUB2 menu text was

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-21 Thread Neil Bothwick
On Thu, 21 May 2015 09:13:44 +0100, Peter Humphrey wrote: This is my grub.conf (copied in from my e-mail yesterday): root (hd0,0) timeout 10 default 0 fallback 3 color white/blue black/light-gray splashimage /grub/splash.xpm.gz title=Gentoo Linux 3.18.12 kernel

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-21 Thread Neil Bothwick
On Thu, 21 May 2015 12:44:42 +0100, Peter Humphrey wrote: If you're just going to hand-edit your config file, I don't see much point in sticking this stuff in /etc/grub.d. Just hand-edit your config file and forget about grub2-mkconfig. You mean: copy grub.conf to grub.cfg and change

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-21 Thread Rich Freeman
On Thu, May 21, 2015 at 4:33 AM, Neil Bothwick n...@digimed.co.uk wrote: That's a GRUB1 file, GRUB2 uses a different syntax so your first entry would become menuentry Gentoo Linux 3.18.12 { linux /boot/kernel-x86_64-3.18.12-gentoo root=/dev/md5 net.ifnames=0 irqpoll } Correct. Also,

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-21 Thread Peter Humphrey
On Thursday 21 May 2015 07:34:58 Rich Freeman wrote: If you're just going to hand-edit your config file, I don't see much point in sticking this stuff in /etc/grub.d. Just hand-edit your config file and forget about grub2-mkconfig. You mean: copy grub.conf to grub.cfg and change its syntax

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-21 Thread Neil Bothwick
On Thu, 21 May 2015 07:34:58 -0400, Rich Freeman wrote: Also, you need to copy 40_custom and then add your lines to that. This is because files in /etc/grub.d are executed, so it needs to be a shell script. If you're just going to hand-edit your config file, I don't see much point in

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-21 Thread Neil Bothwick
On Thu, 21 May 2015 13:10:02 +0100, Neil Bothwick wrote: You mean: copy grub.conf to grub.cfg and change its syntax to suit GRUB2? I'm well used to hand editing grub.conf, so it'll be no big change to operate on grub.cfg instead. I can cope with that. You'd need to run grub2-mkconfig

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-21 Thread Rich Freeman
On Thu, May 21, 2015 at 8:10 AM, Neil Bothwick n...@digimed.co.uk wrote: On Thu, 21 May 2015 12:44:42 +0100, Peter Humphrey wrote: If you're just going to hand-edit your config file, I don't see much point in sticking this stuff in /etc/grub.d. Just hand-edit your config file and forget

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-21 Thread Neil Bothwick
On Thu, 21 May 2015 09:19:26 -0400, Rich Freeman wrote: You mean: copy grub.conf to grub.cfg and change its syntax to suit GRUB2? I'm well used to hand editing grub.conf, so it'll be no big change to operate on grub.cfg instead. I can cope with that. You'd need to run grub2-mkconfig

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Peter Humphrey
On Sunday 17 May 2015 10:09:11 Rich Freeman wrote: Just a few clarifications below. One thing this discussion is missing is any mention of BIOS / EFI. Which reminds me: can anyone here confirm whether grub-legacy can handle GPT? I'm getting close to building my new system and I don't want to

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Rich Freeman
On Wed, May 20, 2015 at 5:42 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: No, it's only new SSDs, not the whole system, which is six years old. Does that mean my choice is restricted to just the two versions of GRUB? Well, you could always use syslinux or something else. However, GRUB is

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Neil Bothwick
On Wed, 20 May 2015 13:01:20 +0100, Peter Humphrey wrote: You should really consider moving to GRUB2 though. Last time I looked, it couldn't handle all the kernels and options I have. GRUB2 can handle anything GRUB1 can. You probably mean that grub2-mkconfig couldn't do what you want,

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Peter Humphrey
On Wednesday 20 May 2015 06:26:08 Rich Freeman wrote: On Wed, May 20, 2015 at 5:42 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: No, it's only new SSDs, not the whole system, which is six years old. Does that mean my choice is restricted to just the two versions of GRUB? Well, you could

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Neil Bothwick
On Wed, 20 May 2015 06:51:53 -0400, cov...@ccs.covici.com wrote: You should really consider moving to GRUB2 though. I don't know about legacy GRUB, but GRUB2 can handle your boot partition being on btrfs. I still left space on my drives for a boot partition anyway, since it will be

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Alec Ten Harmsel
On 05/20/2015 05:23 AM, Neil Bothwick wrote: On Wed, 20 May 2015 10:16:09 +0100, Peter Humphrey wrote: Which reminds me: can anyone here confirm whether grub-legacy can handle GPT? I'm getting close to building my new system and I don't want to change too many things at once. By which I

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Neil Bothwick
On Wed, 20 May 2015 06:19:52 -0400, Alec Ten Harmsel wrote: I do not find grub2 complicated, although I've never had a setup with LVM or RAID. It's always just been: It's not more complicated, just different. grub-install --recheck /dev/sda # cosmetic changes to /etc/default/grub

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Neil Bothwick
On Wed, 20 May 2015 10:42:41 +0100, Peter Humphrey wrote: No, it's only new SSDs, not the whole system, which is six years old. Does that mean my choice is restricted to just the two versions of GRUB? No, you could use LiLo ;-) -- Neil Bothwick System halted - hit any Microsoft employee to

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Peter Humphrey
On Wednesday 20 May 2015 11:23:21 Neil Bothwick wrote: On Wed, 20 May 2015 10:42:41 +0100, Peter Humphrey wrote: No, it's only new SSDs, not the whole system, which is six years old. Does that mean my choice is restricted to just the two versions of GRUB? No, you could use LiLo ;-) Ho ho

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread covici
Rich Freeman ri...@gentoo.org wrote: On Wed, May 20, 2015 at 5:42 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: No, it's only new SSDs, not the whole system, which is six years old. Does that mean my choice is restricted to just the two versions of GRUB? Well, you could always use

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Peter Humphrey
On Wednesday 20 May 2015 10:23:55 Neil Bothwick wrote: On Wed, 20 May 2015 10:16:09 +0100, Peter Humphrey wrote: Which reminds me: can anyone here confirm whether grub-legacy can handle GPT? I'm getting close to building my new system and I don't want to change too many things at once. By

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Neil Bothwick
On Wed, 20 May 2015 10:16:09 +0100, Peter Humphrey wrote: Which reminds me: can anyone here confirm whether grub-legacy can handle GPT? I'm getting close to building my new system and I don't want to change too many things at once. By which I mean that I'm going to try btrfs (my fingers will

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread covici
Neil Bothwick n...@digimed.co.uk wrote: On Wed, 20 May 2015 06:51:53 -0400, cov...@ccs.covici.com wrote: You should really consider moving to GRUB2 though. I don't know about legacy GRUB, but GRUB2 can handle your boot partition being on btrfs. I still left space on my drives for a

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Neil Bothwick
On Wed, 20 May 2015 08:21:34 -0400, cov...@ccs.covici.com wrote: If you want to be able to use UEFI, you need to use GPT. UEFI needs a FAT partition at the start of the drive, type FE00, but booting a GPT disk with MBR requires a small BIOS boot partition, type EF02, at the start of the

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Mick
On Wednesday 20 May 2015 13:55:27 Neil Bothwick wrote: On Wed, 20 May 2015 08:21:34 -0400, cov...@ccs.covici.com wrote: If you want to be able to use UEFI, you need to use GPT. UEFI needs a FAT partition at the start of the drive, type FE00, but booting a GPT disk with MBR requires a

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread covici
Neil Bothwick n...@digimed.co.uk wrote: On Wed, 20 May 2015 08:21:34 -0400, cov...@ccs.covici.com wrote: If you want to be able to use UEFI, you need to use GPT. UEFI needs a FAT partition at the start of the drive, type FE00, but booting a GPT disk with MBR requires a small BIOS boot

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Alan Mackenzie
On Wed, May 20, 2015 at 12:56:36PM +0100, Peter Humphrey wrote: On Wednesday 20 May 2015 11:23:21 Neil Bothwick wrote: On Wed, 20 May 2015 10:42:41 +0100, Peter Humphrey wrote: No, it's only new SSDs, not the whole system, which is six years old. Does that mean my choice is restricted to

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Neil Bothwick
On Wed, 20 May 2015 14:29:27 +0100, Mick wrote: Thanks, does the 1mb partition have to have anything in it? No. If doesn't even need a filesystem, just create the partition with the correct type and GRUB will work. From what I recall gdisk just starts at sector 2048, doesn't this

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Neil Bothwick
On Wed, 20 May 2015 09:24:12 -0400, cov...@ccs.covici.com wrote: Thanks, does the 1mb partition have to have anything in it? No. If doesn't even need a filesystem, just create the partition with the correct type and GRUB will work. I have been usinglilo, so till I need to go to a

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Peter Humphrey
On Wednesday 20 May 2015 13:08:42 Neil Bothwick wrote: On Wed, 20 May 2015 13:01:20 +0100, Peter Humphrey wrote: You should really consider moving to GRUB2 though. Last time I looked, it couldn't handle all the kernels and options I have. GRUB2 can handle anything GRUB1 can. You

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Bob Wya
On Wed, 20 May 2015 16:09 Peter Humphrey pe...@prh.myzen.co.uk wrote: I followed the instructions in https://wiki.gentoo.org/wiki/GRUB2_Migration , after copying my grub.conf as you suggested, but when I rebooted, the GRUB2 menu text was minuscule, it only included one of the five kernel lines

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread J. Roeleveld
On 20 May 2015 18:46:26 CEST, Bob Wya bob.mt@gmail.com wrote: On Wed, 20 May 2015 16:09 Peter Humphrey pe...@prh.myzen.co.uk wrote: I followed the instructions in https://wiki.gentoo.org/wiki/GRUB2_Migration , after copying my grub.conf as you suggested, but when I rebooted, the GRUB2 menu

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Neil Bothwick
On Wed, 20 May 2015 16:46:26 +, Bob Wya wrote: Personally I feel the Grub 2 OS detection script sucks really badly. So much so that I completely re-wrote it so I got proper entries for my various Windows installs (version accurately detected using chntpw) and multiple Linux distros

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Neil Bothwick
On Wed, 20 May 2015 16:08:53 +0100, Peter Humphrey wrote: I followed the instructions in https://wiki.gentoo.org/wiki/GRUB2_Migration, after copying my grub.conf as you suggested, but when I rebooted, the GRUB2 menu text was minuscule, it only included one of the five kernel lines it should

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-20 Thread Peter Humphrey
On Wednesday 20 May 2015 15:26:59 I wrote: Looks like I don't have much of an excuse now. I'll think of something though... ;-) Never a truer word... I followed the instructions in https://wiki.gentoo.org/wiki/GRUB2_Migration, after copying my grub.conf as you suggested, but when I

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Alan McKinnon
On 18/05/2015 20:21, Nuno Magalhães wrote: On Mon, May 18, 2015 at 2:08 AM, Rich Freeman ri...@gentoo.org wrote: On the other hand, both btrfs and zfs will get you a level of data security that you simply won't get from ext4+lvm+mdadm - protection from silent corruption. That's one of the

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Peter Humphrey
On Sunday 17 May 2015 21:36:57 Stefan G. Weichinger wrote: Am 2015-05-17 um 18:05 schrieb Peter Humphrey: Maybe I will. I suspect dodgy disks and I have a pair of new SSDs on the way. Perhaps it's time for a rethink. perhaps one more thought to be thought right now: (I overlooked this at

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Neil Bothwick
On Tue, 19 May 2015 10:02:38 +0100, Peter Humphrey wrote: skip mdadm and lvm ... and try btrfs as you have the chance on shiny new hardware I also have a spare external hard disk, which I could experiment with for snapshots etc. Snapshots are subvolumes in btrfs, so they stay in the

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Rich Freeman
On Tue, May 19, 2015 at 6:13 AM, Neil Bothwick n...@digimed.co.uk wrote: On Tue, 19 May 2015 10:02:38 +0100, Peter Humphrey wrote: skip mdadm and lvm ... and try btrfs as you have the chance on shiny new hardware I also have a spare external hard disk, which I could experiment with for

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread gottlieb
On Tue, May 19 2015, Rich Freeman wrote: On Tue, May 19, 2015 at 11:22 AM, gottl...@nyu.edu wrote: On Tue, May 19 2015, Peter Humphrey wrote: On Tuesday 19 May 2015 10:53:26 Rich Freeman wrote: On Tue, May 19, 2015 at 10:44 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: Incidentally,

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Peter Humphrey
On Tuesday 19 May 2015 10:53:26 Rich Freeman wrote: On Tue, May 19, 2015 at 10:44 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: Incidentally, what's the received wisdom on frequency of file-system trimming on SSDs these days? I've seen values quoted between twice a day and once a week.

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Rich Freeman
On Tue, May 19, 2015 at 11:00 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: On Tuesday 19 May 2015 10:53:26 Rich Freeman wrote: On Tue, May 19, 2015 at 10:44 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: Incidentally, what's the received wisdom on frequency of file-system trimming on

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Rich Freeman
On Tue, May 19, 2015 at 11:22 AM, gottl...@nyu.edu wrote: On Tue, May 19 2015, Peter Humphrey wrote: On Tuesday 19 May 2015 10:53:26 Rich Freeman wrote: On Tue, May 19, 2015 at 10:44 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: Incidentally, what's the received wisdom on frequency of

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Peter Humphrey
On Tuesday 19 May 2015 10:53:26 Rich Freeman wrote: On Tue, May 19, 2015 at 10:44 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: Incidentally, what's the received wisdom on frequency of file-system trimming on SSDs these days? I've seen values quoted between twice a day and once a week.

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Peter Humphrey
On Tuesday 19 May 2015 08:54:26 Rich Freeman wrote: On Tue, May 19, 2015 at 6:13 AM, Neil Bothwick n...@digimed.co.uk wrote: On Tue, 19 May 2015 10:02:38 +0100, Peter Humphrey wrote: skip mdadm and lvm ... and try btrfs as you have the chance on shiny new hardware I also have a spare

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Rich Freeman
On Tue, May 19, 2015 at 10:44 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: Incidentally, what's the received wisdom on frequency of file-system trimming on SSDs these days? I've seen values quoted between twice a day and once a week. And how does trimming affect btrfs? I've been trimming

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Marc Joliet
Am Tue, 19 May 2015 10:53:26 -0400 schrieb Rich Freeman ri...@gentoo.org: On Tue, May 19, 2015 at 10:44 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: Incidentally, what's the received wisdom on frequency of file-system trimming on SSDs these days? I've seen values quoted between

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread gottlieb
On Tue, May 19 2015, Peter Humphrey wrote: On Tuesday 19 May 2015 10:53:26 Rich Freeman wrote: On Tue, May 19, 2015 at 10:44 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: Incidentally, what's the received wisdom on frequency of file-system trimming on SSDs these days? I've seen values

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread covici
Rich Freeman ri...@gentoo.org wrote: On Tue, May 19, 2015 at 11:22 AM, gottl...@nyu.edu wrote: On Tue, May 19 2015, Peter Humphrey wrote: On Tuesday 19 May 2015 10:53:26 Rich Freeman wrote: On Tue, May 19, 2015 at 10:44 AM, Peter Humphrey pe...@prh.myzen.co.uk wrote: Incidentally,

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Stefan G. Weichinger
Am 2015-05-19 um 22:17 schrieb Rich Freeman: On Tue, May 19, 2015 at 12:23 PM, cov...@ccs.covici.com wrote: Do you know if the Samsung 850 evo or similar are considered brain-dead? That's what I'm using, and I couldn't find anything too useful on Google, so I might just test it out. wow,

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Rich Freeman
On Tue, May 19, 2015 at 12:23 PM, cov...@ccs.covici.com wrote: Do you know if the Samsung 850 evo or similar are considered brain-dead? That's what I'm using, and I couldn't find anything too useful on Google, so I might just test it out. -- Rich

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-19 Thread Nuno Magalhães
On Tue, May 19, 2015 at 3:44 PM, Peter Humphrey pe...@prh.myzen.co.uk wrote: Hmm. Looks like I'm hijacking Nuno's thread. Apologies if that's ruffled any feathers, but I think I'm still on-topic, more or less, and he may still be interested in the conversation. No sweat, i intend to get an SSD

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-18 Thread Nuno Magalhães
On Mon, May 18, 2015 at 2:08 AM, Rich Freeman ri...@gentoo.org wrote: On the other hand, both btrfs and zfs will get you a level of data security that you simply won't get from ext4+lvm+mdadm - protection from silent corruption. That's one of the advantages i see in ZFS. Do you use it

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-18 Thread Rich Freeman
On Mon, May 18, 2015 at 2:21 PM, Nuno Magalhães nunomagalh...@eu.ipp.pt wrote: On Mon, May 18, 2015 at 2:08 AM, Rich Freeman ri...@gentoo.org wrote: On the other hand, both btrfs and zfs will get you a level of data security that you simply won't get from ext4+lvm+mdadm - protection from

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-17 Thread Canek Peláez Valdés
On Sun, May 17, 2015 at 10:35 AM, cov...@ccs.covici.com wrote: Rich Freeman ri...@gentoo.org wrote: Just a few clarifications below. One thing this discussion is missing is any mention of BIOS / EFI. Most of the discussion below seems most relevant to a legacy BIOS installation. Many

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-17 Thread Rich Freeman
Just a few clarifications below. One thing this discussion is missing is any mention of BIOS / EFI. Most of the discussion below seems most relevant to a legacy BIOS installation. Many specialized Gentoo install docs, like mdadm+lvm, don't really make mention of EFI, or other more recent

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-17 Thread covici
Rich Freeman ri...@gentoo.org wrote: Just a few clarifications below. One thing this discussion is missing is any mention of BIOS / EFI. Most of the discussion below seems most relevant to a legacy BIOS installation. Many specialized Gentoo install docs, like mdadm+lvm, don't really make

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-17 Thread Peter Humphrey
On Sunday 17 May 2015 10:09:11 Rich Freeman wrote: ---8 Most people using openrc are also using systemd-udev (and there is a good chance you do too). The latter was previously named udev and long predates what most people call systemd. Eudev is a fork of udev, which comes from after it came

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-17 Thread Rich Freeman
On Sun, May 17, 2015 at 6:08 PM, Stefan G. Weichinger li...@xunil.at wrote: There were problems with btrfs and the kernel a few months ago (Rich Freeman was hit by that, maybe he chimes in here), but in general for me it is still a very positive experience. It is nowhere near the stability

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-17 Thread Neil Bothwick
On Sun, 17 May 2015 12:48:58 +0100, Nuno Magalhães wrote: I want to use mdadm to create a RAID1 with 2 SATA disks. From what i gather, i'll need (bootable) 0xFD partitions, i'll use full disk for them and no separate /boot (unless required). Is GPT required or can i stick to MBR? Is fdisk

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-17 Thread Stefan G. Weichinger
On 17.05.2015 22:48, Nuno Magalhães wrote: On Sun, May 17, 2015 at 8:36 PM, Stefan G. Weichinger li...@xunil.at wrote: tl;dr ... maybe you listed some reason to stick with mdadm/lvm2/xfs etc ... sorry in that case I didn't. 2 disks with RAID1/LVM, 2 disks (maybe) with ZFS. Pairs because by

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-17 Thread Nuno Magalhães
btrfs... ZFS... dunno... we'll see ;) On Sun, May 17, 2015 at 11:08 PM, Stefan G. Weichinger li...@xunil.at wrote: As you ordered 2 ssds right now this seems a perfect opportunity to start over and test something new (btrfs is in the linux kernel since 2009). SSDs? Nope... not yet, maybe

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-17 Thread Nuno Magalhães
On Sun, May 17, 2015 at 8:36 PM, Stefan G. Weichinger li...@xunil.at wrote: tl;dr ... maybe you listed some reason to stick with mdadm/lvm2/xfs etc ... sorry in that case I didn't. 2 disks with RAID1/LVM, 2 disks (maybe) with ZFS. Pairs because by board has 2 SATA channels, otherwise i'd go

[gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-17 Thread Nuno Magalhães
Hello Gentoo World, TL;DR warning I've tested Gentoo and liked it, tried to tune it a bit and borked it. :) I want to use mdadm to create a RAID1 with 2 SATA disks. From what i gather, i'll need (bootable) 0xFD partitions, i'll use full disk for them and no separate /boot (unless required).

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-17 Thread Stefan G. Weichinger
Am 2015-05-17 um 18:05 schrieb Peter Humphrey: Maybe I will. I suspect dodgy disks and I have a pair of new SSDs on the way. Perhaps it's time for a rethink. perhaps one more thought to be thought right now: skip mdadm and lvm ... and try btrfs as you have the chance on shiny new hardware

Re: [gentoo-user] Tips for fresh install with GRUB2+RAID1+LVM2

2015-05-17 Thread Peter Humphrey
On Sunday 17 May 2015 12:48:58 Nuno Magalhães wrote: I want to use mdadm to create a RAID1 with 2 SATA disks. From what i gather, i'll need (bootable) 0xFD partitions, i'll use full disk for them and no separate /boot (unless required). Is GPT required or can i stick to MBR? Is fdisk safe?