On Mon, Jun 24, 2019 at 11:31:35AM -0600, Chris Murphy wrote:
> Right. The questions I have: should Btrfs (or any file system) be able
> to detect such devices and still protect the data? i.e. for the file
I have more than 600 industrial machine all around the world.
After a few fs corruption (ext
On Mon, Jun 24, 2019 at 11:31:35AM -0600, Chris Murphy wrote:
> On Sun, Jun 23, 2019 at 7:52 PM Qu Wenruo wrote:
> >
> >
> >
> > On 2019/6/24 上午4:45, Zygo Blaxell wrote:
> > > I first observed these correlations back in 2016. We had a lot of WD
> > > Green and Black drives in service at the time-
On Sun, Jun 23, 2019 at 7:52 PM Qu Wenruo wrote:
>
>
>
> On 2019/6/24 上午4:45, Zygo Blaxell wrote:
> > I first observed these correlations back in 2016. We had a lot of WD
> > Green and Black drives in service at the time--too many to replace or
> > upgrade them all early--so I looked for a workar
On 2019/6/24 下午12:29, Zygo Blaxell wrote:
[...]
>
>> Btrfs is relying more the hardware to implement barrier/flush properly,
>> or CoW can be easily ruined.
>> If the firmware is only tested (if tested) against such fs, it may be
>> the problem of the vendor.
> [...]
>>> WD Green and Black are l
On Mon, Jun 24, 2019 at 12:37:51AM -0400, Zygo Blaxell wrote:
> On Sun, Jun 23, 2019 at 10:45:50PM -0400, Remi Gauvin wrote:
> > On 2019-06-23 4:45 p.m., Zygo Blaxell wrote:
> >
> > > Model Family: Western Digital Green Device Model: WDC WD20EZRX-00DC0B0
> > > Firmware Version: 80.00A80
> > >
On Sun, Jun 23, 2019 at 10:45:50PM -0400, Remi Gauvin wrote:
> On 2019-06-23 4:45 p.m., Zygo Blaxell wrote:
>
> > Model Family: Western Digital Green Device Model: WDC WD20EZRX-00DC0B0
> > Firmware Version: 80.00A80
> >
> > Change the query to 1-30 power cycles, and we get another model with
On Mon, Jun 24, 2019 at 08:46:06AM +0800, Qu Wenruo wrote:
> On 2019/6/24 上午4:45, Zygo Blaxell wrote:
> > On Thu, Jun 20, 2019 at 01:00:50PM +0800, Qu Wenruo wrote:
> >> On 2019/6/20 上午7:45, Zygo Blaxell wrote:
[...]
> So the worst scenario really happens in real world, badly implemented
> flush/fu
On 2019-06-23 4:45 p.m., Zygo Blaxell wrote:
> Model Family: Western Digital Green Device Model: WDC WD20EZRX-00DC0B0
> Firmware Version: 80.00A80
>
> Change the query to 1-30 power cycles, and we get another model with
> the same firmware version string:
>
> Model Family: Western D
On 2019/6/24 上午4:45, Zygo Blaxell wrote:
> On Thu, Jun 20, 2019 at 01:00:50PM +0800, Qu Wenruo wrote:
>> On 2019/6/20 上午7:45, Zygo Blaxell wrote:
>>> On Sun, Jun 16, 2019 at 12:05:21AM +0200, Claudius Winkel wrote:
What should I do now ... to use btrfs safely? Should i not use it with
D
On Thu, Jun 20, 2019 at 01:00:50PM +0800, Qu Wenruo wrote:
> On 2019/6/20 上午7:45, Zygo Blaxell wrote:
> > On Sun, Jun 16, 2019 at 12:05:21AM +0200, Claudius Winkel wrote:
> >> What should I do now ... to use btrfs safely? Should i not use it with
> >> DM-crypt
> >
> > You might need to disable wri
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