mdadm needs an update

Lasse Kliemann <[email protected]> Thu, 22 Feb 2007 00:00:46 +0100
Newsgroups gmane.linux.trustix.general
Message-ID <[email protected]>
Greetings,

I ran into serious trouble creating a RAID-5 with the latest 3.0.5 betas and 
release candidates. The symptom is that directly after the creation of the 
array, there is a 'removed' device. The output of ``mdadm -D'' is like this:

    Number   Major   Minor   RaidDevice State
       0       8        5        0      active sync   /dev/sda5
       1       8       21        1      active sync   /dev/sdb5
       2       0        0        2      removed

       3       8       37        3      active sync   /dev/sdc5

Furthermore, the array does not function properly, e.g., it misbehaves when a 
redundant drive is disconnected.

I found no prior documentation of such a problem, and I did not get any 
responses to my posts on Usenet about it. Left to trial-and-error, I found 
out that this problem does not exist with the latest version of mdadm, which 
is version 2.6. Trustix uses 2.5.

I hence suggest updating mdadm to version 2.6.

Kind regards,
Lasse

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