>-----Original Message----- >From: Joe Landman [mailto:joe.landman@xxxxxxxxx] >Sent: 08 August 2017 23:44 >To: Bryan Hepworth; linux-raid@xxxxxxxxxxxxxxx >Subject: Re: force raid reassembly > > > >On 8/8/17 3:27 PM, Bryan Hepworth wrote: >> Hi all >> >> I'd be grateful of another pair of eyes just to check and verify what I'm >thinking. I've had an array fail and I've checked the components with the >mdadm --examine command. Five out of the six event counts are correct and >I'm hoping I can get it to assemble with the force option: - >> >> "mdadm --assemble --force /dev/mdX <list of devices>" >> >> mdadm --assemble --force /dev/md0 /dev/sdd1 /dev/sdg1 /dev/sdf1 >/dev/sde1 /dev/sdb1 /dev/sdc1 > >I don't think you need to explicitly list the devices (/dev/sd(..)) in >the force > >You could do something like this: > >mdadm --examine --scan | grep md0 > /tmp/md0.conf >mdadm -As -c /tmp/md0.conf > >if this doesn't work, then the force *may* be an option, but be very >careful with this. >> Hi Joe Thanks for the reply, unfortunately that came back as follows: - [root@inscribe4 ~]# mdadm --examine --scan ARRAY /dev/md/intermediate1 metadata=1.2 UUID=64a34aa3:3703e1b0:37d3173a:bec0c874 name=intermediate1 ARRAY /dev/md/intermediate0 metadata=1.2 UUID=ace00fb5:8771d55a:cf36728b:ddc3ce89 name=intermediate0 spares=1 ARRAY /dev/md/128 metadata=1.2 UUID=d59b4fac:ade4fdbf:13ebe850:5e70ba42 name=igmimager.ncl.ac.uk:128 [root@inscribe4 md]# mdadm --examine --scan | grep intermediate0 > /tmp/intermediate0.conf [root@inscribe4 md]# cat /tmp/intermediate0.conf ARRAY /dev/md/intermediate0 metadata=1.2 UUID=ace00fb5:8771d55a:cf36728b:ddc3ce89 name=intermediate0 [root@inscribe4 md]# mdadm --assemble --scan -c /tmp/intermediate0.conf mdadm: /dev/md/intermediate0 assembled from 4 drives and 1 spare - not enough to start the array. [root@inscribe4 md]# Looks like I'll have to use the force option unless you can think of a better way Thanks Bryan ��.n��������+%������w��{.n�����{����w��ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f
