On 20/08/12 10:42, Michael Tokarev wrote: > On 13.08.2012 14:10, Miquel van Smoorenburg wrote: >> Package: mdadm >> Version: 3.2.5-1 >> Severity: serious >> Tags: patch wheezy sid >> >> The initramfs hook supplied by mdadm doesn't install mdmon. Also, mdmon >> is not included in the .udeb for the installer. >> >> This means that if you have an array with external metadata (ddf or, >> more widely used, imsm - Intel Matrix Raid) that it will come up >> readonly. This causes the installer to hang or the system not being >> able to boot if root is on that array. >> >> The attached patch does a couple of things: >> >> - it makes sure mdadm is included in the initramfs and the udeb package >> - it adds a mdadm-waitidle script that runs just before reboot/halt. For all >> arrays that are still running, it sets safe_mode_delay to a low version, >> sets sync_action to idle, and waits for the array(s) to go idle. >> This is needed so that the array is clean, otherwise it will start >> to resync at the next boot. >> - it adds 2 lines of code to mdmon.c so that it symlinks its pidfile >> into /run/sendsigs.omit.d - mdmon should not be killed at shutdown, >> we still need it after the rootfs has been unmounted. > > There's one more thing missing in there: mdmon should be re-started > from real root after switching from rootfs -- the takeover. I guess > it needs to be added to mdadm-raid. >
Why restarted... surely it just can carry-on as it was. Since e.g. /run doesn't change pre-/post- real-root. > BTW, why mdadm-waitidle is a separate script? Can't we fold it into > mdadm-raid directly? > > The more I think about this all, the more it looks like it is too > heavily change for wheezy. I understand the situation, but I still > think it is not a good idea in general. Oh well. > -- Regards, Dmitrijs. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
