Re: Help restoring a raid10 Array (4 disk + one spare) after a hard disk failure at power on

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On 14/05/2019 20:13, Reindl Harald wrote:


Am 14.05.19 um 17:48 schrieb Eric Valette:
I have a dedicated hardware nas that runs a self maintained debian 10.

before the hardware disk problem (before/after)

how does that matter on any proper setup?
*never* use /dev/xyz anywhere

Fine. Does available online documentation makes it explicit? No .I carefully read it before raid creation several years ago

[root@srv-rhsoft:~]$ cat /etc/mdadm.conf
MAILADDR root
HOMEHOST localhost.localdomain
AUTO +imsm +1.x -all

ARRAY /dev/md0 level=raid1 num-devices=4
UUID=1d691642:baed26df:1d197496:4fb00ff8
ARRAY /dev/md1 level=raid10 num-devices=4
UUID=b7475879:c95d9a47:c5043c02:0c5ae720
ARRAY /dev/md2 level=raid10 num-devices=4
UUID=ea253255:cb915401:f32794ad:ce0fe396

So what? the question was how do I add array member using symbolic names. Of course I can use /dev/by--xxx/ but when dumping I do not know if it will be lost or net.

Thanks for non helping and only blaming. Glad others have helped instead.

-- eric







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