QNAP TS-419U + Raid5 nicht neu aufgebaut

Ich habe die Festplatte Nummer 1 eines QNAP TS-419U + durch RAID5 ersetzt. Es ist ein Hot-Swap-Austausch, ohne die Maschine auszuschalten. Es war schlau der neue HD ist gut, wurde aber nicht in Raid 5 aufgenommen.

Qnap-Softwaremanagement

cat /proc/mdstat  Personalities : [raid1] [linear] [raid0] [raid10] [raid6] [raid5] [raid4]  md0 : active raid5 sdd3[3] sdc3[2] sdb3[1] 5855836800 blocks level 5, 64k chunk, algorithm 2 [4/3] [_UUU]  md4 : active raid1 sdd2[0] sdc2[2](S) sdb2[1] 530048 blocks [2/2] [UU]  md13 : active raid1 sdd4[3] sdc4[2] sdb4[1] 458880 blocks [4/3] [_UUU] bitmap: 18/57 pages [72KB], 4KB chunk  md9 : active raid1 sda1[0] sdd1[3] sdc1[2] sdb1[1] 530048 blocks [4/4] [UUUU] bitmap: 1/65 pages [4KB], 4KB chunk  unused devices: <none> 

Ich denke, dass / dev / sda3 fehlt

mdadm --examine /dev/sda3 mdadm: cannot open /dev/sda3: No such device or address  # mdadm --examine /dev/sdb3 /dev/sdb3: Magic : a92b4efc Version : 00.90.00 UUID : 9e1b8560:8504bb63:f5ca59e1:4b21abb1 Creation Time : Thu Jun 9 21:56:45 2011 Raid Level : raid5 Used Dev Size : 1951945600 (1861.52 GiB 1998.79 GB) Array Size : 5855836800 (5584.56 GiB 5996.38 GB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 0  Update Time : Fri Dec 9 12:33:41 2016 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : 29c760bc - correct Events : 0.16604494  Layout : left-symmetric Chunk Size : 64K  Number Major Minor RaidDevice State this 1 8 19 1 active sync /dev/sdb3  0 0 0 0 0 removed 1 1 8 19 1 active sync /dev/sdb3 2 2 8 35 2 active sync /dev/sdc3 3 3 8 51 3 active sync /dev/sdd3    mdadm --examine /dev/sdc3 /dev/sdc3: Magic : a92b4efc Version : 00.90.00 UUID : 9e1b8560:8504bb63:f5ca59e1:4b21abb1 Creation Time : Thu Jun 9 21:56:45 2011 Raid Level : raid5 Used Dev Size : 1951945600 (1861.52 GiB 1998.79 GB) Array Size : 5855836800 (5584.56 GiB 5996.38 GB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 0  Update Time : Fri Dec 9 12:33:49 2016 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : 29c760e6 - correct Events : 0.16604502  Layout : left-symmetric Chunk Size : 64K  Number Major Minor RaidDevice State this 2 8 35 2 active sync /dev/sdc3  0 0 0 0 0 removed 1 1 8 19 1 active sync /dev/sdb3 2 2 8 35 2 active sync /dev/sdc3 3 3 8 51 3 active sync /dev/sdd3   # mdadm --examine /dev/sdd3 /dev/sdd3: Magic : a92b4efc Version : 00.90.00 UUID : 9e1b8560:8504bb63:f5ca59e1:4b21abb1 Creation Time : Thu Jun 9 21:56:45 2011 Raid Level : raid5 Used Dev Size : 1951945600 (1861.52 GiB 1998.79 GB) Array Size : 5855836800 (5584.56 GiB 5996.38 GB) Raid Devices : 4 Total Devices : 3 Preferred Minor : 0  Update Time : Fri Dec 9 12:33:59 2016 State : clean Active Devices : 3 Working Devices : 3 Failed Devices : 0 Spare Devices : 0 Checksum : 29c7610e - correct Events : 0.16604508  Layout : left-symmetric Chunk Size : 64K  Number Major Minor RaidDevice State this 3 8 51 3 active sync /dev/sdd3  0 0 0 0 0 removed 1 1 8 19 1 active sync /dev/sdb3 2 2 8 35 2 active sync /dev/sdc3 3 3 8 51 3 active sync /dev/sdd3