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4 disk RAID 10 array....how do I tell which disks are striped?
I'm trying to figure out which disks are paired together as I'm moving data to another system and am going to canabalize the array for now. Everything is backed up so if something happens I'll be...
jlficken wrote:Number Major Minor RaidDevice State 0 8 3 0 active sync set-A /dev/sda3 - 0 0 1 removed 2 8 35 2 active sync set-A /dev/sdc3 3 8 51 3 active sync set-B /dev/sdd3Would it seem logical that I can remove either disk 0 or disk 2 safely?
Yes, that is the case. It looks like you already removed disk sdb (bay 2) - which was mirrored by sdd (bay 4).
Thanks!!!
I see this in that file:
Consistency Policy : unknown
Name : 7c6e3906:MAIN-0 (local to host 7c6e3906)
UUID : fd0716df:099c5648:d351a440:b82e32f5
Events : 13588
Number Major Minor RaidDevice State
0 8 3 0 active sync set-A /dev/sda3
- 0 0 1 removed
2 8 35 2 active sync set-A /dev/sdc3
3 8 51 3 active sync set-B /dev/sdd3Would it seem logical that I can remove either disk 0 or disk 2 safely?
Here's the full contents for that volume:
/dev/md/MAIN-0:
Version : 1.2
Creation Time : Sat Mar 18 15:51:34 2017
Raid Level : raid10
Array Size : 15618353664 (14894.82 GiB 15993.19 GB)
Used Dev Size : 7809176832 (7447.41 GiB 7996.60 GB)
Raid Devices : 4
Total Devices : 4
Persistence : Superblock is persistent
Update Time : Thu Oct 17 12:35:48 2019
State : clean, degraded
Active Devices : 3
Working Devices : 3
Failed Devices : 1
Spare Devices : 0
Layout : near=2
Chunk Size : 64K
Consistency Policy : unknown
Name : 7c6e3906:MAIN-0 (local to host 7c6e3906)
UUID : fd0716df:099c5648:d351a440:b82e32f5
Events : 13588
Number Major Minor RaidDevice State
0 8 3 0 active sync set-A /dev/sda3
- 0 0 1 removed
2 8 35 2 active sync set-A /dev/sdc3
3 8 51 3 active sync set-B /dev/sdd3
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