On Aug 5, 2021, at 17:44, Nathan Dauchy - NOAA Affiliate via lustre-discuss
mailto:lustre-discuss@lists.lustre.org>> wrote:
On Thu, Aug 5, 2021 at 3:23 PM Andreas Dilger
mailto:adil...@whamcloud.com>> wrote:
On Aug 5, 2021, at 13:29, Nathan Dauchy wrote:
Andreas, thanks as always for your insigh
On Thu, Aug 5, 2021 at 3:23 PM Andreas Dilger wrote:
> On Aug 5, 2021, at 13:29, Nathan Dauchy wrote:
>
> Andreas, thanks as always for your insight. Comments inline...
>
> On Thu, Aug 5, 2021 at 10:48 AM Andreas Dilger
> wrote:
>
>> On Aug 5, 2021, at 09:28, Nathan Dauchy via lustre-discuss <
On Aug 5, 2021, at 13:29, Nathan Dauchy - NOAA Affiliate
mailto:nathan.dau...@noaa.gov>> wrote:
Andreas, thanks as always for your insight. Comments inline...
On Thu, Aug 5, 2021 at 10:48 AM Andreas Dilger
mailto:adil...@whamcloud.com>> wrote:
On Aug 5, 2021, at 09:28, Nathan Dauchy via lustre
Andreas, thanks as always for your insight. Comments inline...
On Thu, Aug 5, 2021 at 10:48 AM Andreas Dilger
wrote:
> On Aug 5, 2021, at 09:28, Nathan Dauchy via lustre-discuss <
> lustre-discuss@lists.lustre.org> wrote:
>
> Question: Is it possible that a flash journal device on an ext4
> fi
On Aug 5, 2021, at 09:28, Nathan Dauchy - NOAA Affiliate via lustre-discuss
mailto:lustre-discuss@lists.lustre.org>> wrote:
Greetings ext4 and flash storage experts!
Motivation: We have ldiskfs OSTs that are primarily HDDs and use a Flash
device for an external journal device. Recent IOR benc
Greetings ext4 and flash storage experts!
Motivation: We have ldiskfs OSTs that are primarily HDDs and use a Flash
device for an external journal device. Recent IOR benchmarks showed that
write performance dropped (suddenly?) to about 25% of the original
baseline, yet read performance remains fi
