Bristol Digest, Vol 595, Issue 2

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Today's Topics:

1. mdadm messed up (Martin Moore)
2. Re: BT Profiling Slowed down my connection - OT (Neil Fraser)


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Message: 1
Date: Wed, 25 Mar 2015 15:07:37 -0000
From: "Martin Moore" <martinm@it-helps.co.uk>
To: "'Bristol and Bath Linux User Group'" <bristol@mailman.lug.org.uk>
Subject: [bristol] mdadm messed up
Message-ID:
<!&!AAAAAAAAAAAYAAAAAAAAAFLxZtQqo65Oo+1jhlUB9DvCgAAAEAAAAGlt43g6h25KmtRCT6ROxYQBAAAAAA==@it-helps.co.uk>

Content-Type: text/plain; charset="us-ascii"

I've 2 servers A and B, both identical. Somehow an apt-get update screwed up
A so I took a RAID1 disk from B.

Seemed to work OK, now I'm back home and only 2 of the MDx's are running so
I'm missing some partitions! I'm sure I failed the partitions of the 2nd
drive before I removed it.

sda is the 'good/master' disk


This is what I get:

root@A:/# cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 sda1[1]
19514240 blocks super 1.2 [2/1] [_U]

md1 : inactive sda5[1](S) sdb5[2](S)
195182815 blocks super 1.2

md4 : active raid1 sda8[1]
244008768 blocks super 1.2 [2/1] [_U]

md3 : inactive sda7[1](S) sdb7[2](S)
19515968 blocks super 1.2

md2 : inactive sda6[1](S) sdb6[2](S)
195182815 blocks super 1.2

unused devices: <none>


Tried to manage but that fails:
root@A:/# mdadm --manage /dev/md1 --remove sdb5
mdadm: Cannot get array info for /dev/md1



What do I need to do to sort this - Google has failed me :) ?

Cheers,

Martin.





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Message: 2
Date: Wed, 25 Mar 2015 16:27:00 +0000
From: Neil Fraser <nfraser@nadtechnology.co.uk>
To: Bristol and Bath Linux User Group <bristol@mailman.lug.org.uk>
Subject: Re: [bristol] BT Profiling Slowed down my connection - OT
Message-ID:
<CA+Pd-UkrJO_AwqM5CRNiO2By1S=0sEhVkPAJ5ziyXL5-JQoqfw@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

On 25 March 2015 at 10:32, Amias Channer <me@amias.net> wrote:

> Hello Luggers,
>
> > I do remember a Zen - BTwholesale line which had "stuck BRAS rate"
> > that had to be un-stuck...
>
> it can be a real passion killer.
> toptip: put one an chair and practice taking it off so you don't fumble
> your big moment
>
> Cheers
> Amias
>
>
https://xkcd.com/457/
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