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Otherwise we quickly lose it...
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So if the device name is /dev/md/d0, then the number of
partitions is as given. This is useful in 'CREATE' in
mdadm.conf
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Never use /etc/mdadm.conf if --config file is given (previously
some code used one, some used the other).
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We sometimes need the NULL when major==minor==0.
So make sure all callers of map_dev can cope with NULL.
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CREATE metadata=1
in mdadm.conf will cause version-1 superblocks to be the default.
Signed-off-by: Neil Brown <neilb@suse.de>
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Have "#ifdef STATIC" in config.c, and the 'rmconf' target
was a mess.
Instead, create 'pwgr.c' with stub routines for those unavailable
when statically compiled, and include that in STATICOBJ
Signed-off-by: Neil Brown <neilb@suse.de>
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This basically works, but needs various improvements and some tests.
Signed-off-by: Neil Brown <neilb@suse.de>
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Signed-off-by: Neil Brown <neilb@suse.de>
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No more magic numbers.
Signed-off-by: Neil Brown <neilb@suse.de>
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Signed-off-by: Neil Brown <neilb@suse.de>
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So when you say auto=md or auto=part in mdadm.conf, it give a preference
for type of array, but standard name will override.
But --auto=md is more insistant.
FIXME I'm not at all happy about handling of names that already exist.
I don't think that should be removed if the device is active.
Signed-off-by: Neil Brown <neilb@suse.de>
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Default owner, group, mode and 'auto' flag can be given in a 'CREATE' line.
Signed-off-by: Neil Brown <neilb@suse.de>
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This means the output of "mdadm -Es" can be used as a complete
mdadm.conf file .... if you really want to do that.
Signed-off-by: Neil Brown <neilb@suse.de>
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be explicitly set.
Signed-off-by: Neil Brown <neilb@suse.de>
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A pending patch to the kernel causes bitmap file updates
to not go through the page cache, so O_DIRECT is needed to
ensure that we read current data.
Signed-off-by: Neil Brown <neilb@suse.de>
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bitmaps in separate files.
Signed-off-by: Neil Brown <neilb@suse.de>
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Whenever we need a device file to open, if one cannot be found in /dev,
create a temporary one.
Signed-off-by: Neil Brown <neilb@suse.de>
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This provide compatability with Debian.
Signed-off-by: Neil Brown <neilb@suse.de>
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If a device found in /proc/partitions isn't listed in /dev, then
mknod a temporary name and open that.
Signed-off-by: Neil Brown <neilb@suse.de>
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--name is recognised in --create and --assemble
name= is recognised in config file.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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Assemble would crash, or just not work.
A few other problem found by a new test-suite.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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Probably not needed, but safer.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Fix raid5 creation with new code.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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This includes:
adding --metadata= option to choose metadata format
adding metadata= word to config file.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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"devline" wants a list of words, not a whole line...
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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This makes assembling arrays from other arrays work better.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
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