On Fri, 2021-04-02 at 13:12 -0600, Chris Murphy wrote:
> [...] changing the timeout via sysfs requires knowing that the /dev
> node is - which of course can change each time you boot or plug the
> device in.
In fact I've already labelled the devices so identifying them can be
done by filtering
On Fri, 2021-04-02 at 13:12 -0600, Chris Murphy wrote:
> > # smartctl -l scterc /dev/sdd
> > smartctl 7.2 2021-01-17 r5171 [x86_64-linux-5.11.10-200.fc33.x86_64]
> > (local build)
> > Copyright (C) 2002-20, Bruce Allen, Christian Franke,
> > www.smartmontools.org
> >
> > SCT Error Recovery
I turn my scterc down as low as the drive will allow. How low I can
go varies by model. I have a loop that starts at 70 and then keeps
going down such that it will end up setting each disk as low is
allowed as far down as 10. My wd reds allow a min of 20, and I have a
seagate that allows 10.
On Fri, Apr 2, 2021 at 4:23 AM Patrick O'Callaghan
wrote:
>
> On Thu, 2021-04-01 at 23:52 -0600, Chris Murphy wrote:
> > It's not an SMR concern, it's making sure the drive gives up on
> > errors
> > faster than the kernel tries to reset due to what it thinks is a
> > hanging drive.
> >
> >
On Thu, 2021-04-01 at 23:52 -0600, Chris Murphy wrote:
> It's not an SMR concern, it's making sure the drive gives up on
> errors
> faster than the kernel tries to reset due to what it thinks is a
> hanging drive.
>
> smartctl -l scterc /dev/sdX
>
> That'll tell you the default setting. I'm
On Thu, Apr 1, 2021 at 5:53 AM Patrick O'Callaghan
wrote:
>
> On Wed, 2021-03-31 at 18:00 -0600, Chris Murphy wrote:
> > Nothing to add but the usual caveats:
> > https://raid.wiki.kernel.org/index.php/Timeout_Mismatch
>
> That´s pretty scary, though the drives I´m using are 1TB units
> scavenged
On Wed, 2021-03-31 at 18:00 -0600, Chris Murphy wrote:
> Nothing to add but the usual caveats:
> https://raid.wiki.kernel.org/index.php/Timeout_Mismatch
That´s pretty scary, though the drives I´m using are 1TB units
scavenged from my extinct NAS so are unlikely to be SMR. They´re both
WD model
Nothing to add but the usual caveats:
https://raid.wiki.kernel.org/index.php/Timeout_Mismatch
I use udev for that instead of init scripts. Concept is the same
though, you want SCT ERC time to be shorter than kernel's command
timer.
The btrfsmaintenance package has a scrub.timer that you can
On Wed, 2021-03-31 at 21:17 +0800, Ed Greshko wrote:
> On 31/03/2021 19:49, Patrick O'Callaghan wrote:
> > I currently have a pair of external drives configured as ext4 with
> > RAID1 using mdadm, and mainly used for backup. My / and /home
> > filesystems are now BTRFS so I'm looking at converting
On 31/03/2021 19:49, Patrick O'Callaghan wrote:
I currently have a pair of external drives configured as ext4 with
RAID1 using mdadm, and mainly used for backup. My / and /home
filesystems are now BTRFS so I'm looking at converting the external
drives to BTRFS with RAID1. My main reason is to
I currently have a pair of external drives configured as ext4 with
RAID1 using mdadm, and mainly used for backup. My / and /home
filesystems are now BTRFS so I'm looking at converting the external
drives to BTRFS with RAID1. My main reason is to take advantage of
BTRFS checksumming as a guard
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