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sen680
发表于 2019-9-12 15:15
来自 中国江西赣州
用这个方法更简单,可以实时命令行操作
https://community.synology.com/enu/forum/17/post/59407
- 1) Initial configuration: cat /proc/mdstat
- Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
- md2 : active raid5 sdc3[2] sdb3[1] sda3[0]
- 7804592512 blocks super 1.2 level 5, 64k chunk, algorithm 2 [3/3] [UUU]
- md1 : active raid1 sda2[0] sdb2[1] sdc2[2] sdd2[3] sde2[4]
- 2097088 blocks [5/5] [UUUUU]
- md0 : active raid1 sda1[0] sdb1[1] sdc1[2] sdd1[3] sde1[4]
- 2490176 blocks [5/5] [UUUUU]
- 2) Fail the partitions on the fifth disk
- mdadm /dev/md0 -f /dev/sde1
- mdadm /dev/md1 -f /dev/sde2
- 3) Remove the disks from the array
- mdadm /dev/md0 -r /dev/sde1
- mdadm /dev/md1 -r /dev/sde2
- 4) Change the number of drives used
- mdadm --grow -n 4 /dev/md0
- mdadm --grow -n 4 /dev/md1
- 5) Check results (you should really check it after each step...)
- cat /proc/mdstat
- Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
- md2 : active raid5 sdc3[2] sdb3[1] sda3[0]
- 7804592512 blocks super 1.2 level 5, 64k chunk, algorithm 2 [3/3] [UUU]
- md1 : active raid1 sda2[0] sdb2[1] sdc2[2] sdd2[3]
- 2097088 blocks [4/4] [UUUU]
- md0 : active raid1 sda1[0] sdb1[1] sdc1[2] sdd1[3]
- 2490176 blocks [4/4] [UUUU]
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