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| root@ceres:~# mdadm --detail /dev/md127 | |
| /dev/md127: | |
| Version : 1.2 | |
| Creation Time : Mon Apr 6 11:10:47 2015 | |
| Raid Level : raid6 | |
| Array Size : 5242615808 (4999.75 GiB 5368.44 GB) | |
| Used Dev Size : 2621307904 (2499.87 GiB 2684.22 GB) | |
| Raid Devices : 5 | |
| Total Devices : 4 | |
| Persistence : Superblock is persistent | |
| Intent Bitmap : Internal | |
| Update Time : Sat Apr 25 16:03:10 2015 | |
| State : clean, degraded, reshaping | |
| Active Devices : 4 | |
| Working Devices : 4 | |
| Failed Devices : 0 | |
| Spare Devices : 0 | |
| Layout : left-symmetric | |
| Chunk Size : 512K | |
| Reshape Status : 70% complete | |
| Delta Devices : 1, (4->5) | |
| Name : ceres:raid6 (local to host ceres) | |
| UUID : 8750b820:dd74ca77:f9f4b506:b24df4a3 | |
| Events : 114431 | |
| Number Major Minor RaidDevice State | |
| 0 8 17 0 active sync /dev/sdb1 | |
| 5 8 33 1 active sync /dev/sdc1 | |
| 4 8 65 2 active sync /dev/sde1 | |
| 6 8 49 3 active sync /dev/sdd1 | |
| 8 0 0 8 removed | |
| root@ceres:~# mdadm -E /dev/sd[bcde]1 | |
| /dev/sdb1: | |
| Magic : a92b4efc | |
| Version : 1.2 | |
| Feature Map : 0x45 | |
| Array UUID : 8750b820:dd74ca77:f9f4b506:b24df4a3 | |
| Name : ceres:raid6 (local to host ceres) | |
| Creation Time : Mon Apr 6 11:10:47 2015 | |
| Raid Level : raid6 | |
| Raid Devices : 5 | |
| Avail Dev Size : 5242615808 (2499.87 GiB 2684.22 GB) | |
| Array Size : 7863923712 (7499.62 GiB 8052.66 GB) | |
| Data Offset : 262144 sectors | |
| New Offset : 259072 sectors | |
| Super Offset : 8 sectors | |
| State : clean | |
| Device UUID : 77c088cd:9ac0b0a6:a27c9d40:a207f8f7 | |
| Internal Bitmap : 8 sectors from superblock | |
| Reshape pos'n : 5548735488 (5291.69 GiB 5681.91 GB) | |
| Delta Devices : 1 (4->5) | |
| Update Time : Sat Apr 25 16:03:10 2015 | |
| Bad Block Log : 512 entries available at offset 72 sectors | |
| Checksum : 10dcb5bd - correct | |
| Events : 114431 | |
| Layout : left-symmetric | |
| Chunk Size : 512K | |
| Device Role : Active device 0 | |
| Array State : AAAA. ('A' == active, '.' == missing, 'R' == replacing) | |
| /dev/sdc1: | |
| Magic : a92b4efc | |
| Version : 1.2 | |
| Feature Map : 0x4d | |
| Array UUID : 8750b820:dd74ca77:f9f4b506:b24df4a3 | |
| Name : ceres:raid6 (local to host ceres) | |
| Creation Time : Mon Apr 6 11:10:47 2015 | |
| Raid Level : raid6 | |
| Raid Devices : 5 | |
| Avail Dev Size : 5242615808 (2499.87 GiB 2684.22 GB) | |
| Array Size : 7863923712 (7499.62 GiB 8052.66 GB) | |
| Data Offset : 262144 sectors | |
| New Offset : 259072 sectors | |
| Super Offset : 8 sectors | |
| State : clean | |
| Device UUID : 54779f18:a79ebfe7:11262c5a:6630b283 | |
| Internal Bitmap : 8 sectors from superblock | |
| Reshape pos'n : 5548735488 (5291.69 GiB 5681.91 GB) | |
| Delta Devices : 1 (4->5) | |
| Update Time : Sat Apr 25 16:03:10 2015 | |
| Bad Block Log : 512 entries available at offset 72 sectors - bad blocks present. | |
| Checksum : 424b1ce6 - correct | |
| Events : 114431 | |
| Layout : left-symmetric | |
| Chunk Size : 512K | |
| Device Role : Active device 1 | |
| Array State : AAAA. ('A' == active, '.' == missing, 'R' == replacing) | |
| /dev/sdd1: | |
| Magic : a92b4efc | |
| Version : 1.2 | |
| Feature Map : 0x4d | |
| Array UUID : 8750b820:dd74ca77:f9f4b506:b24df4a3 | |
| Name : ceres:raid6 (local to host ceres) | |
| Creation Time : Mon Apr 6 11:10:47 2015 | |
| Raid Level : raid6 | |
| Raid Devices : 5 | |
| Avail Dev Size : 5242615808 (2499.87 GiB 2684.22 GB) | |
| Array Size : 7863923712 (7499.62 GiB 8052.66 GB) | |
| Data Offset : 262144 sectors | |
| New Offset : 259072 sectors | |
| Super Offset : 8 sectors | |
| State : clean | |
| Device UUID : 66d630dc:28325c9d:41ef2334:1f6c94f4 | |
| Internal Bitmap : 8 sectors from superblock | |
| Reshape pos'n : 5548735488 (5291.69 GiB 5681.91 GB) | |
| Delta Devices : 1 (4->5) | |
| Update Time : Sat Apr 25 16:03:10 2015 | |
| Bad Block Log : 512 entries available at offset 72 sectors - bad blocks present. | |
| Checksum : 6531464 - correct | |
| Events : 114431 | |
| Layout : left-symmetric | |
| Chunk Size : 512K | |
| Device Role : Active device 3 | |
| Array State : AAAA. ('A' == active, '.' == missing, 'R' == replacing) | |
| /dev/sde1: | |
| Magic : a92b4efc | |
| Version : 1.2 | |
| Feature Map : 0x4d | |
| Array UUID : 8750b820:dd74ca77:f9f4b506:b24df4a3 | |
| Name : ceres:raid6 (local to host ceres) | |
| Creation Time : Mon Apr 6 11:10:47 2015 | |
| Raid Level : raid6 | |
| Raid Devices : 5 | |
| Avail Dev Size : 5242615808 (2499.87 GiB 2684.22 GB) | |
| Array Size : 7863923712 (7499.62 GiB 8052.66 GB) | |
| Data Offset : 262144 sectors | |
| New Offset : 259072 sectors | |
| Super Offset : 8 sectors | |
| State : clean | |
| Device UUID : 79f99bc2:39056213:7033d65b:060790d5 | |
| Internal Bitmap : 8 sectors from superblock | |
| Reshape pos'n : 5548735488 (5291.69 GiB 5681.91 GB) | |
| Delta Devices : 1 (4->5) | |
| Update Time : Sat Apr 25 16:03:10 2015 | |
| Bad Block Log : 512 entries available at offset 72 sectors - bad blocks present. | |
| Checksum : 6b71e99b - correct | |
| Events : 114431 | |
| Layout : left-symmetric | |
| Chunk Size : 512K | |
| Device Role : Active device 2 | |
| Array State : AAAA. ('A' == active, '.' == missing, 'R' == replacing) | |
| root@ceres:~# cat /proc/mdstat | |
| Personalities : [raid6] [raid5] [raid4] | |
| md127 : active raid6 sdb1[0] sdd1[6] sde1[4] sdc1[5] | |
| 5242615808 blocks super 1.2 level 6, 512k chunk, algorithm 2 [5/4] [UUUU_] | |
| [==============>......] reshape = 70.6% (1850669552/2621307904) finish=7169.0min speed=1791K/sec | |
| bitmap: 6/20 pages [24KB], 65536KB chunk | |
| unused devices: <none> |
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