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Md Raid Cannot Start Dirty Degraded Array

This is temporary to let you execute commands and some applications without stopping your system. Can't assemble degraded/dirty RAID6 array! I run RAID6 to provide a little extra protection, not to slam into these kinds of brick walls. Main Menu LQ Calendar LQ Rules LQ Sitemap Site FAQ View New Posts View Latest Posts Zero Reply Threads LQ Wiki Most Wanted Jeremy's Blog Report LQ Bug Syndicate Latest

I run RAID6 to provide a little extra protection, not to slam into these kinds of brick walls. It's been humming along nicely for months. more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science I am able to get to a console where i'm trying to fix the problem. over here

dmesg says it has an invalidsuperblock:# dmesg | grep hdpide7: BM-DMA at 0xd808-0xd80f, BIOS settings: hdo:DMA, hdp:DMAhdp: WDC WD2500JB-00GVA0, ATA DISK drivehdp: max request size: 1024KiBhdp: 488397168 sectors (250059 MB) w/8192KiB The command su -c '.... >> mdadm.conf' should work. –Mei Oct 8 '13 at 18:32 add a comment| up vote 7 down vote I have found that I have to add Can't assemble degraded/dirty RAID6 array! rebooting again the system drive starts but is unable to mount my /home which on a separate /md1 raid5.

Thanks in advance for any clues... 11-28-2006 #2 cwilkins View Profile View Forum Posts Private Message View Articles Just Joined! The command line gives a grub> prompt. I mean... I can confirm that this works.

mdadm: failed to RUN_ARRAY /dev/md/datastore: input/outpu error mdadm: Not enouth devices to start the array while not clean - consider --format mdadm: /dev/md/daten has been startet with 4 drives mdadm: no I was thinking that since i am re-adding things should be much faster. From your starting point, a clean raid5 array, I would have advised to just try to start the array. http://www.centos.org/forums/viewtopic.php?t=16556 Now I don't seem to run into the "inactive" problem anymore and the RAID device mounts automatically at /opt upon booting.

Why can't I simply force this thing back together in active degraded mode with 7 drives and then add a fresh /dev/sdb1? I was able to start the array, for reading at least. (baby steps...) Here's how: Code: [[email protected] ~]# cat /sys/block/md0/md/array_state inactive [[email protected] ~]# echo "clean" > /sys/block/md0/md/array_state [[email protected] ~]# cat /sys/block/md0/md/array_state It just sat there looking stupid. For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration.

I think you would know if you bought it (it is a few hundred euro more expensive if you include that option), but it might just have slipped though if this http://www.linuxforums.org/forum/servers/77867-eeek-cant-assemble-degraded-dirty-raid6-array.html I'm at the end of my rope... But I checked the sizes, they're ok. rubylaserJune 11th, 2011, 12:54 PMIf you haven't done any writing on the arrays, you don't want to re-add a drive, you'll want to force assemble the array.

Originally built with mdadm. SATA cable. No surprise, it booted back up refusing to assemble the array. The good news is I didn't screw anything up permanently.

So I took the three best, i.e. my devices are md0 level=10 devices /dev/sda1,/dev/sdb1,/dev/sdc1,/dev/sdd1 md1 level=5 devices /dev/sda5,/dev/sdb3, /dev/sdc3,/dev/sdd3 doing cat /proc/mdstat shows md1: inactive sdc3[2] sdb3[1] sdd3[3] and md0: active raid10 sdd1[3] sdc1[2] sdb3[1]` this makes me I know as a last resort I can create a "new" array over my old one and as long as I get everything juuuuust right, it'll work, but that seems a Heck, I might as well run RAID0!

Help? Arc x86_64. If I'm reading that /proc/mdstat output right, you'll not be able to activate the array in its current state.

md: kicking non-fresh sdc1 from array!

According to /proc/mdstat, i have over 1000min to wait to resync md1 (with md0 delayed)... I personally think RAID5 is dangerous. in my case I run a simple set up with all the drives having exactly the same partition table. I know my way around Linux a bit but RAID is something new.

I was unsuccessful, but perhaps someone here can adviseme where I went wrong.When I boot, I see the "Starting up RAID devices: ... * Tryingmd0... [ !!FAILED ]" and the system No. Yes, my password is: Password Remain logged in Lost Password Search subject only Display results as threads More Options Dashboard Forum Undone Threads Members Undone Threads Go to Page Bottom Sitemap Posted on September 7September 7Author devinCategories General Post navigation Previous Previous post: replace dolphin with konquerorNext Next post: taking a screenshot with phpunit and selenium RC Proudly powered by WordPress Ubuntu

Why usually is the word "halfway" used with "down" rather than "up"?