Hello, When you reply further, can you please do the followings? 1. Don't drop cc list. 2. Use an email client which properly specifies References: and In-Reply-To:. rbroman@xxxxxxxxxxx wrote: >> Can you attach full output of 'dmesg' after raid degradation? > > For context, there are four RAID devices on this system. md0 is > /boot, md1 is / and md2 and md3 are the problem devices. /proc/mdstat > is below followed by the output of dmesg. > > /proc/mdstat > > Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] > [raid10] > md_d3 : inactive sdd2[2](S) > 366289920 blocks > > md_d2 : inactive sdd1[2](S) > 366281856 blocks > > md1 : active raid0 sdb6[1] sda6[0] > 781256704 blocks 64k chunks > > md0 : active raid1 sda1[0] sdb1[1] > 48829440 blocks [2/2] [UU] > > unused devices: <none> > > dmesg ..... > The dmesg doesn't contain ATA error messages and the actual degradation. Can you please trigger that and then attach dmesg? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html