Just as an addition while I am waiting desparately ... here the section of dmesg: sd 0:0:5:0: Device offlined - not ready after error recovery sd 0:0:5:0: Device offlined - not ready after error recovery sd 0:0:5:0: Device offlined - not ready after error recovery sd 0:0:5:0: Device offlined - not ready after error recovery sd 0:0:5:0: [sdf] Result: hostbyte=0x01 driverbyte=0x00 end_request: I/O error, dev sdf, sector 42380636 raid5: Disk failure on sdf4, disabling device. Operation continuing on 5 devices sd 0:0:5:0: [sdf] Result: hostbyte=0x01 driverbyte=0x00 end_request: I/O error, dev sdf, sector 42379612 sd 0:0:5:0: [sdf] Result: hostbyte=0x01 driverbyte=0x00 end_request: I/O error, dev sdf, sector 22929100 raid5:md2: read error not correctable (sector 5000560 on sdf4). sd 0:0:5:0: [sdf] Result: hostbyte=0x01 driverbyte=0x00 end_request: I/O error, dev sdf, sector 22929092 raid5:md2: read error not correctable (sector 5000552 on sdf4). sd 0:0:5:0: [sdf] Result: hostbyte=0x01 driverbyte=0x00 end_request: I/O error, dev sdf, sector 22929084 raid5:md2: read error not correctable (sector 5000544 on sdf4). sd 0:0:5:0: [sdf] Result: hostbyte=0x01 driverbyte=0x00 end_request: I/O error, dev sdf, sector 22929108 raid5:md2: read error not correctable (sector 5000568 on sdf4). sd 0:0:5:0: [sdf] Result: hostbyte=0x01 driverbyte=0x00 end_request: I/O error, dev sdf, sector 22928988 raid5:md2: read error not correctable (sector 5000448 on sdf4). raid5:md2: read error not correctable (sector 5000456 on sdf4). raid5:md2: read error not correctable (sector 5000464 on sdf4). raid5:md2: read error not correctable (sector 5000472 on sdf4). raid5:md2: read error not correctable (sector 5000480 on sdf4). raid5:md2: read error not correctable (sector 5000488 on sdf4). raid5:md2: read error not correctable (sector 5000496 on sdf4). raid5:md2: read error not correctable (sector 5000504 on sdf4). raid5:md2: read error not correctable (sector 5000512 on sdf4). sd 0:0:5:0: [sdf] Result: hostbyte=0x01 driverbyte=0x00 end_request: I/O error, dev sdf, sector 22929060 raid5:md2: read error not correctable (sector 5000520 on sdf4). raid5:md2: read error not correctable (sector 5000528 on sdf4). raid5:md2: read error not correctable (sector 5000536 on sdf4). end_request: I/O error, dev sdf, sector 1953519836 md: super_written gets error=-5, uptodate=0 sd 0:0:5:0: [sdf] Result: hostbyte=0x01 driverbyte=0x00 md: md2: reshape 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