From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: Re: 4.11.2: reshape raid5 -> raid6 atop bcache deadlocks at start on md_attr_store / raid5_make_request Date: Thu, 25 May 2017 11:31:52 +1000 Message-ID: <874lw9iuwn.fsf@notabene.neil.brown.name> References: <87lgppz221.fsf@esperi.org.uk> <87a865jf9a.fsf@notabene.neil.brown.name> <87fufwy3lr.fsf@esperi.org.uk> <87poezhwsa.fsf@notabene.neil.brown.name> <87bmqio03i.fsf@esperi.org.uk> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Return-path: In-Reply-To: <87bmqio03i.fsf@esperi.org.uk> Sender: linux-raid-owner@vger.kernel.org To: Nix Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids --=-=-= Content-Type: text/plain On Wed, May 24 2017, Nix wrote: > > (I'm not sure what to do if it *works* -- how do I test any later > changes? I might reshape back to RAID-5 + spare again just so I can test > later stuff, but that would take ages: the array is over 14TiB...) > If it works (which it did), then we'll have enough understanding that it should be easy to simulate the problem accurately in a VM. I don't think there is any need for you to experiment further on your data. Thanks, NeilBrown --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEG8Yp69OQ2HB7X0l6Oeye3VZigbkFAlkmNAkACgkQOeye3VZi gblCpA//ezJVgzq9VYX1ZOriZgeBs3i8NknGCjTtJejZ1N2F9TMRljzmwOjkm4Fo mpZBWkr0Zl95maXyhaZlCMpnHT22GcuXETN5L2zCShbpHDryuDt2CI0nXdqT4rJ2 SgAaA5MwBWUwjEkaVY0WRv1AYN2l+S7G8XuMKcwRk9ecyI9DeS7EKqJhXDGRH6yZ 9jltib3GRxgR6i+ahdLZ+uberA/rRi6KyVt4NcqlkfG/9U/T9SmuCF35o3VP+zG+ kTijjxm0ObyK7rG3NXNM+MYWklPvot9O/TXCagG/VR/0whbA/5etrVEyIbuxjgoG bfuaDMRAgl4A3ug6ZPjsIC/LsR3VbUwYaDGoucdJ/WwecGn3+4SXdJpzESjVioI7 hUxvRiBGUMLonU+NnPUXKIOsADyCrYia3X8tza4fXjf7Zt9CdS2QS59fSK6+adc1 fI7oqgWPM5a+zeEh+Xx7EqtgrlGaKLnIXIV0aMcgaBFOccGYRyrdP+HUuARLbBMD uGh2RQEaIcPVwxC8vN2mm7JOYmHWVtdWnEFrBwU/ypuHHuyQA7Vr7xSbTcuRfeB2 HpVFR5YygS1OSSGSw4OjuR2VJ9zDZ6/JcyA+Id/uJcGBQfTHjo+0UmBueMlHeC/r ExNFr2DC/BqEH6oJ2vLhbgvhzRljQ2WKVDnn7XgUHk0A7mvlyUE= =B7vn -----END PGP SIGNATURE----- --=-=-=--