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From: Matthias Dahl <ml_linux-kernel@binary-island.eu>
To: Mike Snitzer <snitzer@redhat.com>
Cc: linux-mm@kvack.org, dm-devel@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [dm-devel] [4.7.0rc6] Page Allocation Failures with dm-crypt
Date: Tue, 12 Jul 2016 10:06:03 +0200	[thread overview]
Message-ID: <e27c7f1c4a5fc42960c6eddda323ae37@mail.ud19.udmedia.de> (raw)
In-Reply-To: <2786d2f951a90eb00502096aca71e05b@mail.ud19.udmedia.de>

Hello Mike...

It (at least) seems like that the fact that this is a Intel Rapid
Storage RAID10 does play a role after all.

I did several tests this morning, after I finally managed to get
another disk hooked up via USB3 (the best I could do for now).

I tried dm-crypt w/ a single partition and with a Linux s/w RAID1 and
RAID10. Unfortunately the RAID tests were done with several partitions
that were on the same disk since that is all I have for testing.

No matter what I did, I could not get to the point where all memory
got exhausted... not even close.

So with all tests I have done over the last couple of days, the only
one were I could always hit this issue was with my original RAID10
that is a Intel Rapid Storage RAID -- and hooked up to the internal
SATA3 ports instead of the USB3 port (which I hope makes no huge
difference for this issue).

I will post to the linux raid list in a few moments and cc' this list
as well.

Thanks again for the help thus far,
Matthias

-- 
Dipl.-Inf. (FH) Matthias Dahl | Software Engineer | binary-island.eu
  services: custom software [desktop, mobile, web], server administration

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      reply	other threads:[~2016-07-12  8:06 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-09 13:40 [4.7.0rc6] Page Allocation Failures with dm-crypt Matthias Dahl
2016-07-11  8:31 ` Matthias Dahl
2016-07-11 13:18   ` Mike Snitzer
2016-07-11 13:27     ` [dm-devel] " Matthias Dahl
2016-07-11 13:44       ` Mike Snitzer
2016-07-11 13:30     ` Mike Snitzer
2016-07-11 14:47       ` [dm-devel] " Matthias Dahl
2016-07-12  8:06         ` Matthias Dahl [this message]

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