On Wed, Sep 14, 2016 at 9:42 PM, scar <scar@xxxxxxxxxx> wrote: > 00 80 00 > Sep 12 08:05:34 hind kernel: [1350051.023847] end_request: critical medium > error, dev sdk, sector 598457896 > Sep 12 08:05:35 hind kernel: [1350051.385810] md/raid:md0: read error > corrected (8 sectors at 598455848 on sdk1) > Sep 12 08:05:35 hind kernel: [1350051.385826] md/raid:md0: read error > corrected (8 sectors at 598455856 on sdk1) > Sep 12 08:05:35 hind kernel: [1350051.385834] md/raid:md0: read error > corrected (8 sectors at 598455864 on sdk1) > Sep 12 08:05:35 hind kernel: [1350051.385840] md/raid:md0: read error > corrected (8 sectors at 598455872 on sdk1) > Sep 12 08:05:35 hind kernel: [1350051.385847] md/raid:md0: read error > corrected (8 sectors at 598455880 on sdk1) > Sep 12 08:05:35 hind kernel: [1350051.385853] md/raid:md0: read error > corrected (8 sectors at 598455888 on sdk1) > Sep 12 08:05:35 hind kernel: [1350051.385859] md/raid:md0: read error > corrected (8 sectors at 598455896 on sdk1) > Sep 12 08:05:35 hind kernel: [1350051.385865] md/raid:md0: read error > corrected (8 sectors at 598455904 on sdk1) > Sep 12 08:05:35 hind kernel: [1350051.385873] md/raid:md0: read error > corrected (8 sectors at 598455912 on sdk1) > Sep 12 08:05:35 hind kernel: [1350051.385880] md/raid:md0: read error > corrected (8 sectors at 598455920 on sdk1) > Sep 12 13:39:43 hind kernel: [1370087.022160] md: md0: data-check done. > > > so it seems to be working? although the sector reported by libata is > different than what md corrected Looks like it replaced the entire chunk that includes the bad sector. Is the chunk size 32KiB? -- Chris Murphy -- 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