Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-25 Thread Tom H
On Thu, Aug 23, 2018 at 2:54 PM Dale wrote: > Correct me if I'm wrong here, it used to be that grub, the original > version not the current bloated one, had to have ext2. The upstream version. Various distributions added ext4 support to grub1 (circa 2009, IIRC). None of the patches were

Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-25 Thread Tom H
On Thu, Aug 23, 2018 at 9:20 AM Canek Peláez Valdés wrote: > On Wed, Aug 22, 2018 at 10:58 PM Adam Carter wrote: >> >> For a long time people recommended ext2 for /boot. The Gentoo wiki >> still does. Is there any compelling reason to use ext2 for /boot (on >> a system whose other filesystems

Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-24 Thread malloc1337
Thus spoke Adam Carter (adamcart...@gmail.com): > For a long time people recommended ext2 for /boot. The Gentoo wiki still > does. Is there any compelling reason to use ext2 for /boot (on a system > whose other filesystems are ext4) these days? AFAIK for systems that have > /boot on an SSD, ext4

Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-23 Thread Walter Dnes
On Thu, Aug 23, 2018 at 06:53:14AM -0500, Dale wrote > Correct me if I'm wrong here, it used to be that grub, the original > version not the current bloated one, had to have ext2.  At the time, > that was *the* file system.  If I recall correctly, a ext4 file system > can be *read* the same as

Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-23 Thread malloc1337
Thus spoke Adam Carter (adamcart...@gmail.com): > > > > Or is it possible to turn off journaling for one partition under ext4? > > > > My intuition is that the long term damage due to the journal would be far > less than the damage due to the loss of effective wear levelling that would > result

Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-23 Thread Peter Humphrey
On Thursday, 23 August 2018 12:14:49 BST Adam Carter wrote: > [from Neil Bothwick:] > > The other question is why use GRUB on a modern system? UEFI boot > > managers are far simpler to work with than GRUBs monster configuration file and > > in that case it makes sense to combine /boot with the

Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-23 Thread Dale
Neil Bothwick wrote: > On Thu, 23 Aug 2018 06:01:18 +0100, Klaus Ethgen wrote: > >> The question should be if and why to use /boot at all on modern systems. >> >> Grub is able to boot from various system combinations. btrfs, lvm, >> mdraid, even encrypted disks (however, in the last case, it is

Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-23 Thread Adam Carter
> > The other question is why use GRUB on a modern system? UEFI boot managers > are far simpler to work with than GRUBs monster configuration file and in > that case it makes sense to combine /boot with the ESP and use VFAT for > it. > I couldn't grok the Gentoo UEFI setup instructions before

Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-23 Thread Adam Carter
> > How often are you writing to /boot anyways? Journalling is of little > benefit in that case, and imposes more wear+tear on SSD drives. Or is > it possible to turn off journaling for one partition under ext4? > I review the Changlog on every point release and update the kernel if there's

Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-23 Thread Neil Bothwick
On Thu, 23 Aug 2018 06:01:18 +0100, Klaus Ethgen wrote: > The question should be if and why to use /boot at all on modern systems. > > Grub is able to boot from various system combinations. btrfs, lvm, > mdraid, even encrypted disks (however, in the last case, it is not that > trivial to install

Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-23 Thread Canek Peláez Valdés
On Wed, Aug 22, 2018 at 10:58 PM Adam Carter wrote: > > For a long time people recommended ext2 for /boot. The Gentoo wiki still does. Is there any compelling reason to use ext2 for /boot (on a system whose other filesystems are ext4) these days? AFAIK for systems that have /boot on an SSD, ext4

Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-22 Thread Klaus Ethgen
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 The question should be if and why to use /boot at all on modern systems. Grub is able to boot from various system combinations. btrfs, lvm, mdraid, even encrypted disks (however, in the last case, it is not that trivial to install grub). So for me

Re: [gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-22 Thread Walter Dnes
On Thu, Aug 23, 2018 at 01:58:19PM +1000, Adam Carter wrote > For a long time people recommended ext2 for /boot. The Gentoo wiki still > does. Is there any compelling reason to use ext2 for /boot (on a system > whose other filesystems are ext4) these days? AFAIK for systems that have > /boot on an

[gentoo-user] /boot filesystem, SSDs, TRIM

2018-08-22 Thread Adam Carter
For a long time people recommended ext2 for /boot. The Gentoo wiki still does. Is there any compelling reason to use ext2 for /boot (on a system whose other filesystems are ext4) these days? AFAIK for systems that have /boot on an SSD, ext4 makes more sense due to discard support, and for non-SSD