I wouldn't do such a thing. Help? It's not needed to get the system going so this should be possible. Arc x86_64. http://culturahq.com/cannot-start/cannot-start-dirty-degraded-array-for-md2.html
So the only way I know how to boot the server is to go to the datacenter, pick up the server and take it to the office. The command line gives a grub> prompt. If the physical machine gets pulled out of the data centre then I strongly recomment adding a DRAC. (or configuring the already present one). –Hennes Sep 8 '12 at 15:33 add my server would not mount md2 after I had grown theassociated devices partitions. http://serverfault.com/questions/425578/md-raidmd2-cannot-start-dirty-degraded-array-kernel-panic
share|improve this answer answered Apr 24 '12 at 1:29 Nick Woodhams 1513 This is what did it for me. After that, building wasn't complete, I had to reboot some times but the build process continued without problems. It has been 2 days and I cannot detect any issues with the original fault.
Using raid5 on 4 drives and LVM+ext3. Teenage daughter refusing to go to school What movie is this? Why won't curl download this link when a browser will? Useful mdadm commands: Contents 1 Creating an array 2 Grow an array 3 Rename an array 4 Find out information about disks 5 Troubleshooting Creating an array Don't use "build", use
Not the answer you're looking for? And what was: > Raid Level : raid5 > Device Size : 34700288 (33.09 GiB 35.53 GB) is now: Raid Level : raid5 Array Size : 138801152 (132.37 GiB 142.13 GB) The raid had 6 drives in it and then an ssd for bcache Hot Network Questions addFieldToFilter() And Condition in magento2 "Carrie has arrived at the airport for two hours." - Ok, I tried hacking up the superblocks with mddump.
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 Cables & Drives are OK (tested on this and another system). Please?? Retrieved from "https://www.radio.warwick.ac.uk/tech/index.php?title=Mdadm&oldid=3898" Personal tools Log in / create account Namespaces Page Discussion Variants Views Read View source View history Actions Search Navigation Main page Community portal Current events Recent changes
Take another look at those size reports of mine, how could it run or do anything really? ilure.htmlhttps://raid.wiki.kernel.org/http://linux.die.net/man/8/mdadmSo using this information I did the following:Boot into 'linux rescue' using CentOS 5.4 installation DVDsh-3.2# mdadm --assemble /dev/md1mdadm: /dev/md1 not identified in config file.sh-3.2# mdadm --assemble /dev/md2mdadm: /dev/md2 not identified Contact Us - Advertising Info - Rules - LQ Merchandise - Donations - Contributing Member - LQ Sitemap - Main Menu Linux Forum Android Forum Chrome OS Forum Search LQ I set up all of this software raid at the installation of the OS, so had never used mdadm until now.I have a home-grown server (self built using consumer components) with:CentOS5.7
A work-around is to assemble the array (if not already assembled), (substitute for md2) mdadm -A /dev/md2 and then force it to a 'clean' state echo "clean" > /sys/block/md2/md/array_state and add his comment is here Getting at my wits' end... Browse other questions tagged linux ubuntu raid software-raid mdadm or ask your own question. I've never touched this file, at least by hand. # by default, scan all partitions (/proc/partitions) for MD superblocks. # alternatively, specify devices to scan, using wildcards if desired.
Phew! What seems odd is that all the disks seem OK, the BIOS sees them, when booted with a live CD they're all present, it seems that somehow the RAID configuration has My command in /etc/fstab for automatically mounting is: /dev/md0 /home/shared/BigDrive ext3 defaults,nobootwait,nofail 0 0 The important thing here is that you have "nobootwait" and "nofail".
A quick check of the array: Code: [[email protected] ~]# cat /proc/mdstat Personalities : [raid6] [raid5] [raid4] md0 : active raid6 sdb1 sdc1 sdi1 sdh1 sdg1 sdf1 sde1 sdd1 2344252416 blocks level To change the number of active devices in an array: mdadm --grow
After that, reassemble your RAID array: mdadm --assemble --force /dev/md2 /dev/**** /dev/**** /dev/**** ... (* listing each of the devices which are supposed to be in the array from the previous And then boot it. DEVICE partitions # auto-create devices with Debian standard permissions CREATE owner=root group=disk mode=0660 auto=yes # automatically tag new arrays as belonging to the local system HOMEHOST
I would appreciate any help in this, as I have important personal data on the raid-array which is currently not backed up. Blogs Recent Entries Best Entries Best Blogs Blog List Search Blogs Home Forums HCL Reviews Tutorials Articles Register Search Search Forums Advanced Search Search Tags Search LQ Wiki Search Tutorials/Articles Search November 19 Day 22 - "foods" November 13 Day 14 - haircut and blended chili November 5 Day 13 - nothing new November 3 raid5: cannot start dirty degraded array for Here's a detail for the array: Code: [[email protected] ~]# mdadm --detail /dev/md0 /dev/md0: Version : 00.90.03 Creation Time : Tue Mar 21 11:14:56 2006 Raid Level : raid6 Device Size :
Find More Posts by myrons41 03-22-2007, 09:03 PM #7 myrons41 LQ Newbie Registered: Nov 2002 Location: Zagreb, Croatia Distribution: Suse 10.2 Posts: 8 Rep: Well, I decided to reboot