* Is SATA ALPM safe with btrfs now (no more corruption)?
@ 2020-05-29 4:26 Marc MERLIN
2020-06-01 17:39 ` David Sterba
0 siblings, 1 reply; 3+ messages in thread
From: Marc MERLIN @ 2020-05-29 4:26 UTC (permalink / raw)
To: linux-btrfs
TLP allows SATA power management: SATA_LINKPWR_ON_BAT=max_performance
There are some old posts that talk about corruption if you enable this
with btrfs:
https://wiki.archlinux.org/index.php/TLP#Btrfs
says not to enable it
https://forum.manjaro.org/t/btrfs-corruption-with-tlp/25158
https://github.com/linrunner/TLP/issues/128
says it may not be safe
https://www.reddit.com/r/archlinux/comments/5tm5uh/btrfs_and_tlp/
also talks about corruption
https://www.reddit.com/r/archlinux/comments/4f5xvh/saving_power_is_the_btrfs_dataloss_warning_still/
say it's probably ok
My feeling is that it's probably ok nowadays with a 5.6+ kernel.
Would anyone disagree?
Thanks,
Marc
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Home page: http://marc.merlins.org/
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Is SATA ALPM safe with btrfs now (no more corruption)?
2020-05-29 4:26 Is SATA ALPM safe with btrfs now (no more corruption)? Marc MERLIN
@ 2020-06-01 17:39 ` David Sterba
2020-06-12 18:16 ` Marc MERLIN
0 siblings, 1 reply; 3+ messages in thread
From: David Sterba @ 2020-06-01 17:39 UTC (permalink / raw)
To: Marc MERLIN; +Cc: linux-btrfs
On Thu, May 28, 2020 at 09:26:15PM -0700, Marc MERLIN wrote:
> TLP allows SATA power management: SATA_LINKPWR_ON_BAT=max_performance
>
> There are some old posts that talk about corruption if you enable this
> with btrfs:
> https://wiki.archlinux.org/index.php/TLP#Btrfs
> says not to enable it
>
> https://forum.manjaro.org/t/btrfs-corruption-with-tlp/25158
>
> https://github.com/linrunner/TLP/issues/128
> says it may not be safe
>
> https://www.reddit.com/r/archlinux/comments/5tm5uh/btrfs_and_tlp/
> also talks about corruption
>
> https://www.reddit.com/r/archlinux/comments/4f5xvh/saving_power_is_the_btrfs_dataloss_warning_still/
> say it's probably ok
>
> My feeling is that it's probably ok nowadays with a 5.6+ kernel.
>
> Would anyone disagree?
I don't and reading the posts, it's a hardware problem leading to
filesystem corruption. It's affecting all filesystem but the detection
capabilities differ, so it stuck with btrfs.
At least the Arch wiki note can be removed, I don't see any value
keeping it there, the fixes to ATA subsystem have been merged to 4.15.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Is SATA ALPM safe with btrfs now (no more corruption)?
2020-06-01 17:39 ` David Sterba
@ 2020-06-12 18:16 ` Marc MERLIN
0 siblings, 0 replies; 3+ messages in thread
From: Marc MERLIN @ 2020-06-12 18:16 UTC (permalink / raw)
To: dsterba, linux-btrfs
On Mon, Jun 01, 2020 at 07:39:25PM +0200, David Sterba wrote:
> On Thu, May 28, 2020 at 09:26:15PM -0700, Marc MERLIN wrote:
> > TLP allows SATA power management: SATA_LINKPWR_ON_BAT=max_performance
> >
> > There are some old posts that talk about corruption if you enable this
> > with btrfs:
> > https://wiki.archlinux.org/index.php/TLP#Btrfs
> > says not to enable it
> >
> > https://forum.manjaro.org/t/btrfs-corruption-with-tlp/25158
> >
> > https://github.com/linrunner/TLP/issues/128
> > says it may not be safe
> >
> > https://www.reddit.com/r/archlinux/comments/5tm5uh/btrfs_and_tlp/
> > also talks about corruption
> >
> > https://www.reddit.com/r/archlinux/comments/4f5xvh/saving_power_is_the_btrfs_dataloss_warning_still/
> > say it's probably ok
> >
> > My feeling is that it's probably ok nowadays with a 5.6+ kernel.
> >
> > Would anyone disagree?
>
> I don't and reading the posts, it's a hardware problem leading to
> filesystem corruption. It's affecting all filesystem but the detection
> capabilities differ, so it stuck with btrfs.
>
> At least the Arch wiki note can be removed, I don't see any value
> keeping it there, the fixes to ATA subsystem have been merged to 4.15.
Sorry, it looks like I never replied to you. Thanks for confirming my
guess.
Marc
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Home page: http://marc.merlins.org/ | PGP 7F55D5F27AAF9D08
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-06-12 18:19 UTC | newest]
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2020-05-29 4:26 Is SATA ALPM safe with btrfs now (no more corruption)? Marc MERLIN
2020-06-01 17:39 ` David Sterba
2020-06-12 18:16 ` Marc MERLIN
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