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Created attachment 684011[details]
Backported patch that fixes problem for me.
Description of problem:
mdadm.conf(5) under section ARRAY states that <ignore> flag can be used (complete with brackets) instead of a given array's name, to produce such behaviour that array would never be automatically assembled.
But, if mdadm.conf contains multiple <ignore> "names", mdadm will complainy just the same as it complains where two arrays have the same name. Although <ignore> is a special case flag and not an actual name. This makes difficult to ignore more than one array through mdadm.conf.
Version-Release number of selected component (if applicable):
3.2.3-9.el6
How reproducible:
Every time
Steps to Reproduce:
1. Create mdadm.conf with at least two arrays, putting <ignore> instead of name
2. run mdadm -As
Actual results:
mdadm: Duplicate MD device names in conf file were found.
Expected results:
mdadm shouldn't complain about becasue <ignore> is special flag and not actual array name
Additional info:
Here is upstream info from mdadm developer:
http://git.neil.brown.name/git?p=mdadm.git;a=commit;h=13f2dd6be5618ff556f9a364903e4b95558115e1
I attach backported patch that fixes this issue
Comment 2RHEL Program Management
2013-01-25 06:47:48 UTC
This request was not resolved in time for the current release.
Red Hat invites you to ask your support representative to
propose this request, if still desired, for consideration in
the next release of Red Hat Enterprise Linux.
I don't think this will make it into 6.4 - we can do a 6.4 z-stream fix if it
is deemed a serious problem, however you will have to request this through
your support representative.
It should make it to 6.5
Jes
1. first check it in version 3.2.3
[root@localhost ~]# mdadm --version
mdadm - v3.2.3 - 23rd December 2011
[root@localhost ~]# cat /etc/mdadm.conf
ARRAY <ignore> metadata=1.2 name=localhost.localdomain:0 UUID=a0ccc84c:f9da5a44:5422da60:215a3873
ARRAY <ignore> metadata=1.2 name=localhost.localdomain:1 UUID=b5f6664a:5c44f576:656b2750:3ded54e6
[root@localhost ~]# mdadm -As
mdadm: Devices UUID-a0ccc84c:f9da5a44:5422da60:215a3873 and UUID-b5f6664a:5c44f576:656b2750:3ded54e6 have the same name: <ignore>
mdadm: Duplicate MD device names in conf file were found.
2. check it in version 3.2.6 (I install the mdadm-3.2.6-1.el6 rpm package)
[root@localhost ~]# cat /etc/mdadm.conf
ARRAY <ignore> metadata=1.2 name=localhost.localdomain:0 UUID=a0ccc84c:f9da5a44:5422da60:215a3873
ARRAY <ignore> metadata=1.2 name=localhost.localdomain:1 UUID=b5f6664a:5c44f576:656b2750:3ded54e6
[root@localhost ~]# mdadm -As
mdadm: No arrays found in config file or automatically
The problem was fixed.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
http://rhn.redhat.com/errata/RHBA-2013-1643.html