Mdadm Replace Failed Drive Raid 1
succeededDone.grub> root (hd1,0)root (hd1,0)Filesystem type is ext2fs, partition type 0xfdgrub> setup (hd1)setup (hd1)Checking if "/boot/grub/stage1" exists... Number of spare devices. md1 and md0 are run on sda1 and sdb1 and are operational ([UU]). I partitioned the new one with gfdisk but could not add it to the array. Check This Out
That's why the GRUB install fails. If you're building a desktop then you need the "Alternate" install ISO for Ubuntu. On debian it is simply a matter of running "grub-install /dev/sdb". This can be done with any array type.
Mdadm Replace Failed Drive Raid 1
Entries (RSS) and Comments (RSS). %d bloggers like this: Log in or Sign up English | Deutsch Tutorials Tutorial search Tags Forums Contribute Subscribe ISPConfig News Search Tutorials Replacing A Failed Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. (LogOut/Change) You are Hope that helps From: Kris Reply This is a great guide but unfortunately, I could not apply it to my failed Raid-1situation.
So, the article says this: "You can also run cat /proc/mdstat and instead of the string [UU] you will see [U_] if you have a degraded RAID1 array." Yes, that's right bradchaus View Public Profile Find all posts by bradchaus #5 18th February 2008, 10:24 AM synic Offline Registered User Join Date: Mar 2005 Location: Brisbane, Australia Age: 45 Is this the correct way of making it bootable? Mdadm Grow Raid 1 Why is Pascal's Triangle called a Triangle?
Althouth this paper is dated 2003 and the author refers to 'raidtools' instead of 'mdadm', there are two very useful sections. Raid 1 Hard Drive Replacement Grokbase › Groups › CentOS › centos › September 2011 FAQ Badges Users Groups [CentOS] boot problem after disk change on raid1 Bünyamin İzzetSep 7, 2011 at 1:22 pm Hello,I have Myintent was that you get the system booted and running normally (perhapsvia the rescue disk), and after that execute 'grub' interactivelyand issue those commands.DevinAs you said, I booted the system via Repeat steps 2 to 5 for the other hard drive Configuring the RAID Once you have completed your partitioning in the main "Partition Disks" page select "Configure Software RAID" Select "Yes"
Warning: this will remove all data on hard drives. 1. Mdadm Replace Failed Drive Raid 6 just 150MB or so ... crap... Is this the correct way of making it bootable?
Raid 1 Hard Drive Replacement
I didn't make the bootable partition part of the Raid array. The answer is no, in fact, short-board hard disk RAID technology can be compensated for before the RAID technology has been used in high-performance servers, etc. Mdadm Replace Failed Drive Raid 1 share|improve this answer edited Jul 17 '14 at 5:44 answered Jul 16 '14 at 2:02 paulcube 1219 1 Thank you! Mdadm Replace Failed Drive Raid 5 I've tried installing it on a specific partion, e.g.
Here's the edit that I didn't have time to re-edit into the answer above: (hda=IDE, sda=SCSI) (hd0 or hd0,0 - for the first partition on the first disk or hd0,4 for http://lebloggeek.com/raid-1/raid-movie.html From: Ruslan Reply Thanks for good instruction! From: Rodger Reply Thanks for the information, though once the drive has failed, all data will be lost, so I guess this is more of a consolation, for me. Please help...Dmesh at below pastebinhttp://fpaste.org/qwdh/From: Reply Hello there,i m missing the part for the bootloader (lilo/grub).maybe you can add it?a part for replacing the first disk (as said by Mdadm Add Drive To Raid 5
can grub be installed on a RAID 0 (zero) array? Even though the linux kernel may support your RAID card, it doesnt matter yet; grub still has to load before it can load linux. If you're still not sure which drive to physically remove, run a badblocks scan on the drive that was removed. this contact form if yes,should i enable any option under my bios ?thank youFrom: scsi hot swap Reply Wow.
edit: So i went ahead and reinstalled, this time leaving /boot and swap out of the raid. Mdadm Rebuild Raid 1 Where's the 0xBEEF? It was just a thought, as in the example above it looks like the sync'ing is done simultaniously (md0 at 9.9% and md1 at 6.4%).
Ubuntu will create 2 partitions: / and swap, as shown below: 5.
Then one of the drives fail (which they eventually will), here is how you fix it: I have taken info from these pages for this blog post: http://www.howtoforge.com/replacing_hard_disks_in_a_raid1_array http://blog.mydream.com.hk/howto/linux/howto-reinstall-grub-in-rescue-mode-wh… In this rw 256 512 4096 0 2000398934016 /dev/sda rw 256 512 1024 34 666996163584 /dev/sda1 rw 256 512 512 1302726916 1333402736128 /dev/sda2 So this seemd to be the cause of the trouble. Even when I specify the (hd1,0) which is where the XP install is located, I am given Grub errors. Mdadm Rebuild Raid 5 And when I did fdisk -l again I saw[[emailprotected] ~]# fdisk -lDisk /dev/sdb: 1000.2 GB, 1000204886016 bytes255 heads, 63 sectors/track, 121601 cylindersUnits = cylinders of 16065 * 512 = 8225280 bytes
Does the Many Worlds interpretation of quantum mechanics necessarily imply every world exist? The same can be said of md0 only it is smaller (you can see from the blocks parameter) and is made up of /dev/sda1 and /dev/sdb1. I have two disks, sdb and sdc. http://lebloggeek.com/raid-1/raid-5-degraded.html http://tldp.org/LDP/sag/html/boot-process.html It may be that your RAID card is able to present your array as a scsi drive.
Comparing /proc/mdstat from before and after will confirm the drive that failed. DOS and Linux will interpret the contents differently. Greetz Peter From: Anonymous Reply I am having the same issue now. If you choose to cause the installing of the many packages in a LAMP server, for example, it can be quite a while after partitioning before you get asked about writing
DDoS: Why not block originating IP addresses? Your linked guide says to set this as "physical volume for RAID", rather than "Ext4 filesystem", so I did that. anyway, i took a quick glance at your guides last night but wasn't certain what i was looking for. A MBR bootloader can't direct the system to another disk, only to the same boot flagged partition's GRUB Legacy or it will bypass the boot sector and load the kernel (depending
This was just the article I needed after one of my disks failed and I had to get the array back up and running.