<br><div class="gmail_quote">On Mon, Oct 3, 2011 at 6:14 AM, Adam Tauno Williams <span dir="ltr"><<a href="mailto:awilliam@whitemice.org">awilliam@whitemice.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<br>In that case is RAID-6 even an option? Software RAID (MD) doesn't<br>
support RAID-6.<br>
<div class="im"><br></div></blockquote></div><br>Where did you hear that?<br><br><span style="font-family: courier new,monospace;">% head -n 1 /proc/mdstat</span><br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;">Personalities : [raid0] [raid1] [raid10] [<b>raid6</b>] [raid5] [raid4]</span><br style="font-family: courier new,monospace;">
<br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;">% zgrep CONFIG_MD_RAID456 /proc/config.gz</span><br style="font-family: courier new,monospace;"><span style="font-family: courier new,monospace;">CONFIG_MD_RAID456=y</span><br>
<br><font face="arial,helvetica,sans-serif">Also, I don't have any enterprise experience with </font>Linux RAID10, so I can't comment on its overall reliability, but don't forget to take it into consideration. It's much more flexible than RAID1+0, and should have better performance characteristics under certain circumstances, too.<br>
<br><a href="http://en.wikipedia.org/wiki/Non-standard_RAID_levels#Linux_MD_RAID_10">Non Standard RAID levels - Linux RAID 10</a><br><br>-Kevin<br>
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