On 25/10/17 13:52, Phillip Susi wrote:
> Which partition did you choose to mount in /boot/efi?

Hi,

/boot/efi is on /dev/sda1:

> root@sei:~# df -h /boot/efi
> Filesystem      Size  Used Avail Use% Mounted on
> /dev/sda1       511M  3.4M  508M   1% /boot/efi
Disks present:

> root@sei:~# lsscsi
> [0:0:0:0]    disk    ATA      WDC WD10JFCX-68N 0A82  /dev/sdc 
> [0:0:1:0]    disk    ATA      WDC WD10JFCX-68N 0A82  /dev/sdd 
> [0:0:2:0]    disk    ATA      WDC WD10JFCX-68N 0A82  /dev/sde 
> [0:0:3:0]    disk    ATA      WDC WD10JFCX-68N 0A82  /dev/sdf 
> [0:0:4:0]    disk    ATA      WDC WD10JFCX-68N 0A82  /dev/sdg 
> [0:0:5:0]    disk    ATA      WDC WD10JFCX-68N 0A82  /dev/sdh 
> [0:0:6:0]    disk    ATA      WDC WD10JFCX-68N 0A82  /dev/sdi 
> [0:0:7:0]    disk    ATA      WDC WD10JFCX-68N 0A82  /dev/sdj 
> [1:0:0:0]    disk    ATA      CT250BX100SSD1   MU02  /dev/sda 
> [2:0:0:0]    disk    ATA      CT250BX100SSD1   MU02  /dev/sdb 

Disk layout:

> root@sei:~# lsblk -f
> NAME        FSTYPE            LABEL         UUID                              
>    MOUNTPOINT
> sdf                                                                           
>    
> ├─sdf9                                                                        
>    
> └─sdf1      zfs_member        dsp           12391553558134649065              
>    
> sdd                                                                           
>    
> ├─sdd9                                                                        
>    
> └─sdd1      zfs_member        dsp           12391553558134649065              
>    
> sdb                                                                           
>    
> ├─sdb2      linux_raid_member ubuntu-mate:0 
> abcb9459-9d26-82ef-b4de-93d8ba7716de 
> │ └─md0                                                                       
>    
> │   ├─md0p2 swap                            
> 0cd0c976-0c1b-4e2f-86af-0b7c9057066d [SWAP]
> │   ├─md0p3 ext4                            
> 35482c9d-c692-4cb6-8098-ef593b2a1983 /usr/local
> │   └─md0p1 ext4                            
> c891a0b7-e0ea-4268-9120-05819871a709 /
> └─sdb1      vfat                            6F01-F2B3                         
>    
> sdi                                                                           
>    
> ├─sdi9                                                                        
>    
> └─sdi1      zfs_member        dsp           12391553558134649065              
>    
> sdg                                                                           
>    
> ├─sdg9                                                                        
>    
> └─sdg1      zfs_member        dsp           12391553558134649065              
>    
> sde                                                                           
>    
> ├─sde9                                                                        
>    
> └─sde1      zfs_member        dsp           12391553558134649065              
>    
> sdc                                                                           
>    
> ├─sdc9                                                                        
>    
> └─sdc1      zfs_member        dsp           12391553558134649065              
>    
> sda                                                                           
>    
> ├─sda2      linux_raid_member ubuntu-mate:0 
> abcb9459-9d26-82ef-b4de-93d8ba7716de 
> │ └─md0                                                                       
>    
> │   ├─md0p2 swap                            
> 0cd0c976-0c1b-4e2f-86af-0b7c9057066d [SWAP]
> │   ├─md0p3 ext4                            
> 35482c9d-c692-4cb6-8098-ef593b2a1983 /usr/local
> │   └─md0p1 ext4                            
> c891a0b7-e0ea-4268-9120-05819871a709 /
> └─sda1      vfat                            6C73-423D                         
>    /boot/efi
> sdj                                                                           
>    
> ├─sdj9                                                                        
>    
> └─sdj1      zfs_member        dsp           12391553558134649065              
>    
> sdh                                                                           
>    
> ├─sdh9                                                                        
>    
> └─sdh1      zfs_member        dsp           12391553558134649065              
>    

[I created the "zfs" filesystem after installation]

>   Also can you run
> mdadm -D /dev/md0 and post the output?

> root@sei:~# mdadm -D /dev/md0
> /dev/md0:
>         Version : 1.2
>   Creation Time : Sat Oct 14 18:21:04 2017
>      Raid Level : raid1
>      Array Size : 243542016 (232.26 GiB 249.39 GB)
>   Used Dev Size : 243542016 (232.26 GiB 249.39 GB)
>    Raid Devices : 2
>   Total Devices : 2
>     Persistence : Superblock is persistent
> 
>   Intent Bitmap : Internal
> 
>     Update Time : Fri Oct 27 09:40:37 2017
>           State : clean 
>  Active Devices : 2
> Working Devices : 2
>  Failed Devices : 0
>   Spare Devices : 0
> 
>            Name : ubuntu-mate:0
>            UUID : abcb9459:9d2682ef:b4de93d8:ba7716de
>          Events : 273
> 
>     Number   Major   Minor   RaidDevice State
>        0       8        2        0      active sync   /dev/sda2
>        1       8       18        1      active sync   /dev/sdb2

Bye,

  Tony.

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https://bugs.launchpad.net/bugs/1723633

Title:
  Can't install to md RAID1 in EFI mode

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