Is the drive mounted? If so, umount it. It not, try booting a livecd (like systemrescuecd) to run these commands.
Beiträge von ryecoaaron
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Try sudo kmotion start or run the command as root.
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That helps a lot.
Do this:
mdadm --fail /dev/md127 /dev/sdd
mdadm --remove /dev/md127 /dev/sddmdadm --grow /dev/md127 --raid-devices=4
The first two steps remove the dead drive. The last step makes the spare an active drive.
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md raid is software raid. You need to either use md raid or the motherboard raid but not both.
If you turn off the motherboard raid, you should be able to put the drives in a raid array using mdadm. OMV does support 3 TB drives.
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I misunderstood. I thought two failed at the same time.
You need to: mdadm --remove /dev/md127 /dev/sd#
to remove the dead diskWhat does your cat /proc/mdstat look like now?
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Raid 5 is lost with two disks missing. Sorry but you most likely lost everything.
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Neat. Should work well.
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Raid 0 would offer you no protection. Raid 1 would only give you 3 tb of space. You could manually setup raid 5 without the parity drive if you weren't concerned about data loss (same as raid 0) until you get the third drive. I would just save all the hassle and get the third drive now.
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It doesn't have to be USB 3.0. A usb stick has a maximum amount of writes and wears out. A hard drive won't do that. The speed is almost irrelevant because it is just the system drive. The data drives need to be fast.
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You could use a usb hard drive.
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Looks good other than I wouldn't use a usb stick for the operating system. A small laptop hard drive is a much better option.
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As long as you don't use the raid functions on the card, you will be ok. You want them to appear as individuals to OMV. So, you will be using the adaptec card as a sata card not a raid card.
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I did create the raid 5 setup with OMV and it was very easy. Performance is excellent.
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Zitat von "rhadamanthus"
do you use ZFSRaidz1for your raid config? I read much about ZFS in the last weeks as the best choice and that it need lots of RAM.
Nope. Thought about it and btrfs but never wanted to (or had the space to) move 10 TB of stuff around. Linux software raid 5 works for me. It will saturate gigabit ethernet and is easy to grow.
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Did you try that command as root or as a user?
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OMV would be your best bet
That setup is definitely overkill. I have an 8 disk raid 5 setup with only two gigs of ram that does what you need. See my signature. Your setup would run a couple of virtual machines as well!
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I had the same problem that other day when a drive was acting strange. I had to use the command line to fix it.
Assuming /dev/md127 is the original drive:
mdadm --stop /dev/md126
mdadm --remove /dev/md126
mdadm --zero-superblock /dev/sdcThen, you should be able to add /dev/sdc to the original raid using the web interface. It will have to rebuild though.
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No documentation other than comments that I know of. Not sure about the second question.
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Those drivers are for the 2.6.26 kernel. OMV uses the 2.6.32. Maybe that is the problem?
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Those are probably tough to determine. You can tell the hard drive is idle if you access it and spins back up. Check /proc/cpuinfo to see what speed the processor is running at to see if speedstep is running. ACPI is probably configured correct if the system goes to sleep. Other than those ideas, the only other way I can think is looking at the power draw on a kill-a-watt meter.