> As for why you cannot add the PATA drive - it seems to fail, implying a > write error when writing to it??? It doesn't seem to fail. I can add it without the Write mostly switch and it does fine... Well, I'll be hornswaggled! I just tried it again and this time it worked. I tried it several times before on all three partitions, and it would always mark the partition faulty when I used the -W switch. > More info (logs etc) required. When I looked previously and again just now, I don't see anything unusual from then: Dec 23 11:36:24 Backup kernel: [ 551.023531] md: recovery of RAID array md1 Dec 23 11:36:24 Backup kernel: [ 551.023531] md: minimum _guaranteed_ speed: 1000 KB/sec/disk. Dec 23 11:36:24 Backup kernel: [ 551.023531] md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for recovery. Dec 23 11:36:24 Backup kernel: [ 551.023531] md: using 128k window, over a total of 6144816 blocks. Dec 23 11:37:04 Backup kernel: [ 595.374568] md: bind<hda2> Dec 23 11:37:05 Backup kernel: [ 595.686827] md: delaying recovery of md2 until md1 has finished (they share one or more physical units) Dec 23 11:37:16 Backup kernel: [ 608.666908] md: bind<hda3> Dec 23 11:37:17 Backup kernel: [ 608.951395] md: delaying recovery of md3 until md1 has finished (they share one or more physical units) Dec 23 11:43:28 Backup kernel: [ 1014.009182] md: md1: recovery done. Dec 23 11:43:28 Backup kernel: [ 1014.117880] md: delaying recovery of md3 until md2 has finished (they share one or more physical units) Dec 23 11:43:28 Backup kernel: [ 1014.117493] md: recovery of RAID array md2 Dec 23 11:43:28 Backup kernel: [ 1014.117496] md: minimum _guaranteed_ speed: 1000 KB/sec/disk. Dec 23 11:43:28 Backup kernel: [ 1014.117498] md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for recovery. Dec 23 11:43:28 Backup kernel: [ 1014.117502] md: using 128k window, over a total of 277442414 blocks. Dec 23 18:11:30 Backup kernel: [25686.451020] md: md2: recovery done. Dec 23 18:11:30 Backup kernel: [25686.627333] md: recovery of RAID array md3 Dec 23 18:11:30 Backup kernel: [25686.627333] md: minimum _guaranteed_ speed: 1000 KB/sec/disk. Dec 23 18:11:30 Backup kernel: [25686.627333] md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for recovery. Dec 23 18:11:30 Backup kernel: [25686.627333] md: using 128k window, over a total of 204796548 blocks. Dec 23 22:16:36 Backup kernel: [41884.541659] md: md3: recovery done. -- 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
