<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Sat, Aug 29, 2015 at 11:47 PM, Marc Skinner <span dir="ltr"><<a href="mailto:marc@e-skinner.net" target="_blank">marc@e-skinner.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">So what is the problem ... it won't mount?<br>
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Did you do an fsck on it? Assuming you had a filesystem that worked on it prior to your issue.<span class=""><br>
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<br></span></blockquote><div># fsck /dev/md0<br>fsck from util-linux 2.26.2<br>e2fsck 1.42.13 (17-May-2015)<br>ext2fs_open2: Bad magic number in super-block<br>fsck.ext2: Superblock invalid, trying backup blocks...<br>fsck.ext2: Bad magic number in super-block while trying to open /dev/md0<br><br>The superblock could not be read or does not describe a valid ext2/ext3/ext4<br>filesystem. If the device is valid and it really contains an ext2/ext3/ext4<br>filesystem (and not swap or ufs or something else), then the superblock<br>is corrupt, and you might try running e2fsck with an alternate superblock:<br> e2fsck -b 8193 <device><br> or<br> e2fsck -b 32768 <device><br><br><br></div><div>Did some reading on fsck and there are warnings of data loss in using it to repair.<br><br></div><div>As this is a data raid (with business data on it) data loss and corruption is not<br></div><div>an option I want to pursue.<br><br></div><div>Any ideas on how to re-mount the array?<br><br></div><div>TIA<br><br></div><div>Dee<br></div></div></div></div>