<br><br><div><span class="gmail_quote">On 9/18/07, <b class="gmail_sendername">George Mari</b> <<a href="mailto:george_mythusers@mari1938.org">george_mythusers@mari1938.org</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Steve MacLaren wrote:<br>> On 9/17/07, George Mari <<a href="mailto:george_mythusers@mari1938.org">george_mythusers@mari1938.org</a>> wrote:<br>>><br>>><br>>> Please post the output of each of the following:
<br>>><br>>> mdadm --examine /dev/sda1<br>>> mdadm --examine /dev/sdb1<br>>> mdadm --examine /dev/sdc1<br>>> mdadm --examine /dev/sdd1<br>>><br>>> I'm guessing that /dev/sda1 will report no valid info or some such, but
<br>>> if the other 3 drives all have same/similar values for the 'events'<br>>> field, you should be able to recover.<br>><br>><br>> Here's what I get:<br>><br>> /dev/sda1:<br>> Magic : a92b4efc
<br>> Version : 00.90.00<br>> UUID : bc7a4d90:bd286a91:c109596b:d7e29b7e<br>> Creation Time : Mon May 7 21:31:55 2007<br>> Raid Level : raid5<br>> Device Size : 488383872 (465.76
GiB 500.11 GB)<br>> Array Size : 1465151616 (1397.28 GiB 1500.32 GB)<br>> Raid Devices : 4<br>> Total Devices : 4<br>> Preferred Minor : 0<br>><br>> Update Time : Wed Sep 12 15:58:54 2007<br>
> State : active<br>> Active Devices : 4<br>> Working Devices : 4<br>> Failed Devices : 0<br>> Spare Devices : 0<br>> Checksum : 66008fbc - correct<br>> Events : 0.161<br>
<br>Do all the other drives have the same value for this field above,<br>"Events"? (Are they all 0.161?) If all four are the same, then the data<br>on your array is intact. If at least three of the four are the same,
<br>you will be able to re-build the array from the three good drives. The<br>one that has a different value got kicked out of the array.<br><br>><br>> Layout : left-symmetric<br>> Chunk Size : 128K
<br>><br>> Number Major Minor RaidDevice State<br>> this 0 8 1 0 active sync /dev/sda1<br>><br>> 0 0 8 1 0 active sync /dev/sda1<br>
> 1 1 8 17 1 active sync /dev/sdb1<br>> 2 2 8 33 2 active sync /dev/sdc1<br>> 3 3 8 49 3 active sync /dev/sdd1<br>
><br><br>So what this above says is, "according to the superblock info on *this*<br>drive, the state of each drive in the array is 'active sync'".<br><br>When you do mdadm --examine /dev/sd*1 on each of the other three drives,
<br>if they all report the same information (all drives 'active sync') your<br>array is fine.<br><br>If this is the case, I agree with the other poster that you may have a<br>hardware problem elsewhere, such as power supply.
<br><br>Of course, even if the array does have a problem with one drive, it<br>still could be that something like a power supply problem could be<br>causing your array to fail.<br>_______________________________________________
<br>mythtv-users mailing list<br><a href="mailto:mythtv-users@mythtv.org">mythtv-users@mythtv.org</a><br><a href="http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users">http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
</a><br></blockquote></div>Yes, all four of the "Events" fields came up as 0.161. And the states were all active sync. So we'll give a new PSU a try-