On Tue, Apr 9, 2013 at 6:53 PM, NeilBrown <neilb@xxxxxxx> wrote: > On Tue, 9 Apr 2013 03:20:44 -1000 NightStrike <nightstrike@xxxxxxxxx> wrote: > >> Neil, >> >> I have been talking to a lot of irc types, and ultimately, they all >> want me to just contact you directly (even people on >> oftc/#kernelnewbies). > > The correct advice is to email linux-raid@xxxxxxxxxxxxxxx (you don't need to > be subscribed) and to optionally Cc me. > I've Cc:ed this reply to linux-raid. Noted >> Basically, using mdadm with the Intel Matrix fakeraid doesn't work >> right anymore. I can't tell you with what kernel it stopped, but I >> can tell you that it is broken with archlinux 3.8.5, which is a >> vanilla kernel plus a console logging patch. Here's what happens: >> >> 1) Create a new raid in the Option Rom >> 2) Boot up and see md126 and md127, respectively ArchRaid_0 and imsm0. >> 3) Run all sorts of read only things, like mdadm --detail-platform, all good >> 4) Run cfdisk /dev/md/ArchRaid_0 (which points to md126), set up my partitions >> 5) Hit "Write" to write the partition table >> 6) Everything hangs > > I've had this reported on openSUSE too. I haven't yet had a chance to look > into it properly. > It sounds like "mdmon" is not running - or not working correctly. > > On the first attempt to write to the array, md signals mdmon and waits for > the array to be marked "active". > mdmon should notice this, update the metadata on the array to record that the > array is active (so if a crash happens a resync will be force) and then tell > md that the array is active. md notices and allows the write. > > Something in this sequence is not working. > Does everything "unhang" if you run > mdmon md127 & > > ?? YES!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! THANK YOU!!!!!!!!!!!!!!!11111oneone!!!!!!!!!! I eagerly await an official fix, and in the meantime, I will use your workaround. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
