On Mon, Jun 26, 2017 at 10:36:23PM +0200, Johannes Bauer wrote:
> On 26.06.2017 21:56, Mike Snitzer wrote:
>
> >> Interesting, I did *not* change to writethrough. However, there
> >> shouldn't have been any I/O on the device (it was not accessed by
> >> anything after I switched to the cleaner pol
On Mon, Jun 26 2017 at 4:36pm -0400,
Johannes Bauer wrote:
> On 26.06.2017 21:56, Mike Snitzer wrote:
>
> >> Interesting, I did *not* change to writethrough. However, there
> >> shouldn't have been any I/O on the device (it was not accessed by
> >> anything after I switched to the cleaner polic
On 26.06.2017 21:56, Mike Snitzer wrote:
>> Interesting, I did *not* change to writethrough. However, there
>> shouldn't have been any I/O on the device (it was not accessed by
>> anything after I switched to the cleaner policy).
[...]
>> Anyways, I'll try to replicate my scenario again because I'
On Mon, Jun 26 2017 at 3:08pm -0400,
Johannes Bauer wrote:
> Hi Joe,
>
> On 26.06.2017 17:58, Joe Thornber wrote:
> > On Mon, Jun 26, 2017 at 12:33:42PM +0100, Joe Thornber wrote:
> >> On Sat, Jun 24, 2017 at 03:56:54PM +0200, Johannes Bauer wrote:
> >>> So I seem to have a very basic misunders
Hi Joe,
On 26.06.2017 17:58, Joe Thornber wrote:
> On Mon, Jun 26, 2017 at 12:33:42PM +0100, Joe Thornber wrote:
>> On Sat, Jun 24, 2017 at 03:56:54PM +0200, Johannes Bauer wrote:
>>> So I seem to have a very basic misunderstanding of what the cleaner
>>> policy/dirty pages mean. Is there a way to
On Mon, Jun 26, 2017 at 12:33:42PM +0100, Joe Thornber wrote:
> On Sat, Jun 24, 2017 at 03:56:54PM +0200, Johannes Bauer wrote:
> > So I seem to have a very basic misunderstanding of what the cleaner
> > policy/dirty pages mean. Is there a way to force the cache to flush
> > entirely? Apparently, "
On Sat, Jun 24, 2017 at 03:56:54PM +0200, Johannes Bauer wrote:
> So I seem to have a very basic misunderstanding of what the cleaner
> policy/dirty pages mean. Is there a way to force the cache to flush
> entirely? Apparently, "dmsetup wait" and/or "sync" don't do the job.
Your understanding is c
On 24.06.2017 15:56, Johannes Bauer wrote:
> So I seem to have a very basic misunderstanding of what the cleaner
> policy/dirty pages mean. Is there a way to force the cache to flush
> entirely? Apparently, "dmsetup wait" and/or "sync" don't do the job.
I'd like to expand on this, since I discove
Hello list,
I hope this is the correct place to ask my question. If not, I'd
appreciate a quick word where to better ask this and I'll be on my way.
I've setup a dm-cache setup and am trying to understand the
coherence/consistency between the origin device and cached device. For
this, I have setu
