Re: [dm-devel] [4.7.0rc6] Page Allocation Failures with dm-crypt
From: Matthias Dahl
Date: Tue Jul 12 2016 - 04:06:16 EST
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
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