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On 26/10/16 11:43 PM, Gordon Pettey wrote: |
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> On Wed, Oct 26, 2016 at 9:05 PM, Ian Stakenvicius <axs@g.o |
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> <mailto:axs@g.o>> wrote: |
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> |
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> On 26/10/16 04:49 AM, Joshua Kinard wrote: |
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> > On 10/25/2016 13:15, William Hubbs wrote: |
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> >> On Tue, Oct 25, 2016 at 01:10:06PM -0400, Mike Gilbert wrote: |
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> >>> On Tue, Oct 25, 2016 at 1:01 PM, William Hubbs |
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> <williamh@g.o <mailto:williamh@g.o>> wrote: |
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> >>>> If you are not using /dev/disk/by-* paths in fstab, you do |
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> not need to |
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> >>> take any action for this news item. |
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> >>>> |
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> >>>> If you are, it is very critical that you update fstab AS SOON AS |
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> >>> POSSIBLE. Your system will become unbootable in the future if |
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> you do |
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> >>> not do so. |
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> >>> |
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> >>> Err, what is changing that will make systems unbootable? |
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> >>> |
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> >>> I am fairly certain systems running systemd will continue to work |
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> >>> properly with either syntax. |
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> >> |
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> >> They probably will. |
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> >> |
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> >>> If this is about the udev-settle issue for OpenRC, I would |
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> urge you to |
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> >>> reconsider that. |
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> >> |
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> >> There isn't anything to reconsider afaik. The problem is that |
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> >> /dev/disk/by-* are only created by udev/eudev, but the other |
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> syntax |
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> >> works regardless of which device manager you use, so this is |
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> the safer |
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> >> route. |
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> >> |
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> >> William |
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> >> |
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> > |
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> > I take it us museum relics still using jurassic-era device names like |
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> > /dev/sd* or /dev/md* aren't affected by this? |
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> |
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> That's correct -- the kernel's 'devtmpfs' creates those ones, whereas |
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> the /dev/disk/by-* symlinks (pretty well all symlinks in /dev i think, |
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> actually) are generated by udev rules. |
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> |
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> Actually, I wonder if the /dev/[vgname]/[lvname] paths would be |
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> affected by this too -- those are symlinks to the actual nodes in |
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> /dev/mapper/ after all, and are created by 11-dm-lvm.rules |
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> |
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> |
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> Those are already problematic; udev and/or lvm2 seem to randomly |
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> forget to set those up sometimes. I use /dev/mapped/vg-lv in |
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> /etc/fstab because of that. |
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> |
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|
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If they aren't there at mount time but do show up after everything is |
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mounted, I'm willing to bet that is caused by the same issue. I think |
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I'll add another paragraph to the second draft about this. |
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