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Re: [lvm-devel] [PATCH 0 of 12] LVM add 'mirrored' log type



On 02/05/10 15:34, Jonathan Brassow wrote:
> The following set of patches adds the 'mirrored' log type.  It differs
> from the last batch by changing the name of the log type
> (s/redundant/mirrored/), fixing all the issues uncovered by the
> testsuite, adding new test cases, and including log monitoring (provided
> by Malahal Naineni).

I'm testing the patch set, but a log monitoring doesn't work properly.
When dmeventd detects an error, lvconvert is executed for its repair.
For example, in case that the mirror VG/LV name is vg00/lv00, lvconvert
was called with the following options:

lvconvert --config devices{ignore_suspended_devices=1} --repair \
          --use-policies vg00/lv00_mlog

However, lvconvert can't accept vg00/lv00_mlog because "_mlog" is
an reserved name. When lvconvert is executed by itself, the following
message is displayed, and no repair is done.

# lvconvert --repair vg00/lv00_mlog
  Names including "_mlog" are reserved. Please choose a different LV name.
  Run `lvconvert --help' for more information.

We need to escape from this restriction when "mirrored" log is used.

Thanks,
Taka


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