Your message dated Mon, 15 Jul 2013 17:30:58 +0200 with message-id <[email protected]> and subject line Re: Bug#628668: mdadm: Impossible to clear the write-mostly flag in metadata has caused the Debian Bug report #628668, regarding mdadm: Impossible to clear the write-mostly flag in metadata to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact [email protected] immediately.) -- 628668: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=628668 Debian Bug Tracking System Contact [email protected] with problems
--- Begin Message ---Package: mdadm Version: 3.1.4-1+8efb9d1 Severity: normal When turning off write-mostly on a device in an active raid1 array, using something like this: echo -writemostly >/sys/block/md127/md/dev-md2/state write-mostly is turned off: flash:~ >mdadm -D /dev/md127 /dev/md127: Version : 1.2 Creation Time : Thu Oct 15 13:32:06 2009 Raid Level : raid1 Array Size : 312581688 (298.10 GiB 320.08 GB) Used Dev Size : 312581688 (298.10 GiB 320.08 GB) Raid Devices : 2 Total Devices : 2 Persistence : Superblock is persistent Update Time : Tue May 31 10:35:15 2011 State : clean Active Devices : 2 Working Devices : 2 Failed Devices : 0 Spare Devices : 0 Name : flash:mirror1 (local to host flash) UUID : 066d46b2:5ca5113d:261cfcc0:626c2d62 Events : 842 Number Major Minor RaidDevice State 3 9 2 0 active sync /dev/md/2 2 8 3 1 active sync writemostly /dev/sda3 flash:~ > But the metadata isn't updated: flash:~ >mdadm -E /dev/md/2 /dev/md/2: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 066d46b2:5ca5113d:261cfcc0:626c2d62 Name : flash:mirror1 (local to host flash) Creation Time : Thu Oct 15 13:32:06 2009 Raid Level : raid1 Raid Devices : 2 Avail Dev Size : 625163376 (298.10 GiB 320.08 GB) Array Size : 625163376 (298.10 GiB 320.08 GB) Data Offset : 144 sectors Super Offset : 8 sectors State : clean Device UUID : c995047e:7f56e673:9fc386be:dac782e1 Flags : write-mostly Update Time : Tue May 31 10:29:08 2011 Checksum : 8020a873 - correct Events : 842 Device Role : Active device 0 Array State : AA ('A' == active, '.' == missing) flash:~ > And after a reboot, md2 is flagged as writemostly again. / Anders
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--- Begin Message ---Version: 3.1 On Tue, Aug 02, 2011 at 01:45:24PM +1000, NeilBrown wrote: > On Tue, 31 May 2011 10:37:53 +0200 (CEST) Anders Boström > <[email protected]> wrote: > > The 'write-mostly' flag can be changed through sysfs. > With 0.90 metadata, those changes are reflected in the metadata. > For 1.x metadata, they aren't. > > So fix super_1_sync to record 'write-mostly' status. Fixed in 3.1 with http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aeb9b211849621f592288ed5ad694de9eeaae87a Cheers, Moritz
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