2010/1/28 Michał Sawicz [off-list ref]:

You need to 'fsck -f' first to verify that the filesystem is fine.

I get a stern warning that because /dev/md0 is my / (root) file
system, I can cause serious damage performing this task:

[root@tuna ~]# fsck -f
fsck from util-linux-ng 2.17
e2fsck 1.41.9 (22-Aug-2009)
/dev/md0 is mounted.

WARNING!!!  Running e2fsck on a mounted filesystem may cause
SEVERE filesystem damage.

Do you really want to continue (y/n)?

*****************************************

Should I ignore the warning and proceed?
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