I'd just like to note that I have the same problem with 2.6.27. /proc/mdstat is stuck saying md4 : active raid10 sde3[6](S) sdf3[4] sdd3[2] sdc3[1] sdb3[0] sda3[5] 131837184 blocks 256K chunks 2 near-copies [6/5] [UUU_UU] bitmap: 31/126 pages [124KB], 512KB chunk while the kernel complains every second or so: Nov 2 17:28:32: RAID10 conf printout: Nov 2 17:28:32: --- wd:5 rd:6 Nov 2 17:28:32: disk 0, wo:0, o:1, dev:sdb3 Nov 2 17:28:32: disk 1, wo:0, o:1, dev:sdc3 Nov 2 17:28:32: disk 2, wo:0, o:1, dev:sdd3 Nov 2 17:28:32: disk 4, wo:0, o:1, dev:sdf3 Nov 2 17:28:32: disk 5, wo:0, o:1, dev:sda3 Nov 2 17:28:33: RAID10 conf printout: Nov 2 17:28:33: --- wd:5 rd:6 Nov 2 17:28:33: disk 0, wo:0, o:1, dev:sdb3 Nov 2 17:28:33: disk 1, wo:0, o:1, dev:sdc3 Nov 2 17:28:33: disk 2, wo:0, o:1, dev:sdd3 Nov 2 17:28:33: disk 4, wo:0, o:1, dev:sdf3 Nov 2 17:28:33: disk 5, wo:0, o:1, dev:sda3 Nov 2 17:28:38: RAID10 conf printout: Nov 2 17:28:38: --- wd:5 rd:6 Nov 2 17:28:38: disk 0, wo:0, o:1, dev:sdb3 Nov 2 17:28:38: disk 1, wo:0, o:1, dev:sdc3 Nov 2 17:28:38: disk 2, wo:0, o:1, dev:sdd3 Nov 2 17:28:38: disk 4, wo:0, o:1, dev:sdf3 Nov 2 17:28:38: disk 5, wo:0, o:1, dev:sda3 Nov 2 17:28:38: RAID10 conf printout: Nov 2 17:28:38: --- wd:5 rd:6 Nov 2 17:28:38: disk 0, wo:0, o:1, dev:sdb3 Nov 2 17:28:38: disk 1, wo:0, o:1, dev:sdc3 Nov 2 17:28:38: disk 2, wo:0, o:1, dev:sdd3 Nov 2 17:28:38: disk 4, wo:0, o:1, dev:sdf3 Nov 2 17:28:38: disk 5, wo:0, o:1, dev:sda3 Nov 2 17:28:43: RAID10 conf printout: Nov 2 17:28:43: --- wd:5 rd:6 Nov 2 17:28:43: disk 0, wo:0, o:1, dev:sdb3 Nov 2 17:28:43: disk 1, wo:0, o:1, dev:sdc3 Nov 2 17:28:43: disk 2, wo:0, o:1, dev:sdd3 Nov 2 17:28:43: disk 4, wo:0, o:1, dev:sdf3 Nov 2 17:28:43: disk 5, wo:0, o:1, dev:sda3 Nov 2 17:28:44: RAID10 conf printout: Nov 2 17:28:44: --- wd:5 rd:6 Nov 2 17:28:44: disk 0, wo:0, o:1, dev:sdb3 Nov 2 17:28:44: disk 1, wo:0, o:1, dev:sdc3 Nov 2 17:28:44: disk 2, wo:0, o:1, dev:sdd3 Nov 2 17:28:44: disk 4, wo:0, o:1, dev:sdf3 Nov 2 17:28:44: disk 5, wo:0, o:1, dev:sda3 This is Not Good (tm). Quad-core Phenom, 64-bit kernel and userland. -- 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