Ubuntu Servers :: RAID AFU / Server Won't Boot After Upgrading To Lucid RC1?
Apr 22, 2010
Ran 'do-release-upgrade -d'on my server running Hardy.No problems during the upgrade.Rebooted after the upgrade completed, and I was presented with the new plymouth screen. This sucks for servers.It sat there displaying the logo for ~5 minutes.Hit CTRL+ALT+F1 through F8 and didn't see anything on the virtual consoles.Finally figured out that I had to hit ESC on the plymouth screen to actually see what was going on.It said /dev/sdi1 had problems along with /dev/md0.It sat there forever with no fsck status and no HDD lights blinking.
SysRq+REISUB and tweaked the boot parameter to remove 'quiet splash' and appended 'S' for single-user mode.Got the attached screenshot.The box has been sitting like this for ~15 minutes.Not entirely sure what to report a bug against at the moment. Plus the somewhat-new requirement of running 'ubuntu-bug' is pretty retarded in this situation. (Yeah, I know I can add some string to the URL to get around it.Why is it such a pain in the *** to report a bug?)I'm going to do some more digging to try and find out what is dying during boot.The new boot process is a bit of a mystery to me still, so if anyone has pointers or any devs want more detailed information,
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May 6, 2010
I'm trying to install Lucid server (64 bit) and I'm having trouble getting it to boot from software RAID. The hardware is an old Gateway E-4610D (1.86GHz Core2 Duo, 2GB RAM, 2 500GB HDs).
If I install on a single HD, it works fine, but if I set up RAID1 as described here, the install completes fine, but on reboot this is what I get:
Code:
mount: mounting /dev/disk/by-uuid/***uuid snipped*** on /root failed: Invalid argument
mount: mounting /dev on /root/dev failed: No such file or directory
mount: mounting /sys on /root/sys failed: No such file or directory
[Code].....
When I set up the RAID using the ubuntu installer, I created identical main and swap partitions on each of the two drives (all four are set as primary), made sure the bootable flag was on on the two main partitions, then created a RAID1 out of the two main partitions, and another RAID1 out of the two swap partitions.
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Jul 21, 2010
after upgrading to lucid lynx ubuntu doesn't boot with the new kernels 2.6.32-22-generic and 2.6.32-23-generic (also in recovery mode). But it's does boot with the previous 2.6.31-21-generic kernel. At the time i was hoping to wait it out, but a new kernel has come and the problem persisted. I've been trying to find a solution for this but somehow, amid lots of failed boot blank black screen threads, i didn't relate to any solution. The boot seems to go well until a pixelated logo appears (before the login screen), then goes to a blank black screen and there it stays stuck with no remedy. Looking into dmesg logs - albeit some differences between 2.6.31-21 and the newer 2.6.32-23 - the failed boot seems proper in both logs. In Xorg logs the differences are bigger but i cannot pinpoint a source for this problem.
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Feb 23, 2011
I just did a distribution upgrade on my laptop from 9.1 to 10.04, and it went fine for the most part except this issue. After it boots up, I don't see any window titles/scrollbars/borders and on clicking the icon for "Show desktop" on the bottom left, I see the following error message:
"Your window manager does not support the show desktop button, or you are not running a window manager."
After googling a bit, I realized that gnome-wm is not starting automatically and so I have to manually start each time to see the windows working properly. Can somebody tell me if there is a way to make sure that gnome-wm starts automatically? I know I can put it in my .bashrc but I want to do it the correct way if possible. If not, I will have to go with that workaround.
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May 2, 2010
When this happens you have to open a terminal, get the process id for mysql-server-5 then kill that process. Like this:
Code:
ps -A
then from the list of processes that it spits out look at the process id (the number at the beginning of the line) for mysql-server-5.
Now type
Code:
sudo kill -9 XXXXX
where XXXXX is the process id for mysql-server, and enter your password. The upgrade process should now resume.
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May 14, 2010
I just did a distribution upgrade on my laptop from 9.1 to 10.04, and it went fine for the most part except this issue. After it boots up, I don't see any window titles/scrollbars/borders and on clicking the icon for "Show desktop" on the bottom left I see the following error message: "Your window manager does not support the show desktop button, or you are not running a window manager."
After googling a bit, I realized that gnome-wm is not starting automatically and so I have to manually start each time to see the windows working properly. Can somebody tell me if there is a way to make sure that gnome-wm starts automatically? I know I can put it in my .bashrc but I want to do it the correct way if possible. If not, I will have to go with that workaround
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Feb 1, 2011
Could any RAID gurus kindly assist me on the following RAID-5 issue?I have an mdadm-created RAID5 array consisting of 4 discs. One of the discs was dropping out, so I decided to replace it. Somehow, this went terribly wrong and I succeeded in marking two of the drives as faulty, and the re-adding them as spare.
Now the array is (logically) no longer able to start:
mdadm: Not enough devices to start the array.Degraded and can't create RAID ,auto stop RAID [md1]
I was able to examine the disks though:
Code:
root@127.0.0.1:/etc# mdadm --examine /dev/sdb2
/dev/sdb2:
Magic : a92b4efc
Version : 00.90.00
code....
Code:
mdadm --create --assume-clean --level=5 --raid-devices=4 /dev/sda2 /dev/sdb2 /dev/sdc2 /dev/sdd2
As I don't want to ruin the maybe small chance I have left to rescue my data, I would like to hear the input of this wise community.
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Nov 1, 2010
Forgive the terseness. I'm frazzled with this issue, perhaps I should have asked earlier. Every weekend for the past 2 months has been an endless cycle of 'repair broken system' off the install disk.
Installed from Ubuntu server 10.04LTS x86_64, + xfce-desktop Here is uname -a Linux ournas 2.6.32-25-server #45-Ubuntu SMP Sat Oct 16 20:06:58 UTC 2010 x86_64 GNU/Linux If I add my raid + lvm to the fstab file, the boot stalls, (no error it, just hangs waiting, forever). So that's a not very user friendly to start with.
I've tried the suggestions about UUID in fstab tried using LABEL instead, or even /dev/xxx. Every time it hangs. I've googled this endlessly and not found a solution. So don't ask why... since I seem to have tried every odd suggestion to fix this, I've lost track. There seems to be some consensus that whoever gave us plymouth laid an egg. Forgive me if I'm wrong, but did we need a better graphical boot if it breaks everything else?
[Code]...
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May 15, 2010
I was having this issue with my server when I tried upgrading (fresh install) to 10.04 from 9.04. But to test it out after going back to 9.04 I installed 10.04 server in a virtual machine and found the same issues. I was using the AMD64 version for everything. In the virtual machine I chose openssh and samba server in the initial configuration. After the install I ran a dist-upgrade and installed mdadm. I then created an fd partition on 3 virtual disks and created a RAID5 array using the following command:
Code: sudo mdadm --create --verbose /dev/md0 --level=5 --raid-devices=3 /dev/sd[b-d]1
This is the same command I ran on my physical RAID5 quite a while ago which has been working fine ever since. After running a --detail --scan >> mdadm.conf (and changing the metadata from 00.90 to 0.90) I rebooted and found that the array was running with only one drive which was marked as a spare. On the physical server I kept having this issue with one drive which would always be left out when I assembled the array and would work fine after resyncing until I rebooted. After I rebooted the array would show the remaining 6 drives (of 7) as spares.
I updated mdadm to 3.1.1 using a deb from debian experimental and the RAID was working fine afterward. But then the boot problems started again. As soon as I added /dev/md0 to the fstab the system would hang on boot displaying the following before hanging:
[Code]....
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Jun 20, 2011
I have Ubuntu 10.10 (maverick) and I'm using mdadm 3.1.4. I have created a RAID 10 using imsm as the metadata, and this runs successfully if I assemble the RAID from the command line. My question is: How do I get the RAID to auto assemble when I boot the system? I would like to be able to mount the RAID when the system starts up (but the OS is on a separate disk altogether). What I've found out so far is that I must do a Code: update-initramfs -k all -u AFTER I've modified the /etc/mdadm/mdadm.conf file. This is what I've got in my configuration file:
[Code]....
BUT what happens is that when I reboot my server, and then do "ls -l /dev/md*" there is no listing at all for any RAID devices. I actually have to run the assemble command on command line and that is when I see listings for RAID devices under /dev. What am I missing?
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Aug 9, 2011
I have been working in my spare time over the last few days, Had problems with the whole grub2 not installing on RAID 1. Then I found out that I had to have a separate non raid Ext4 partition on one drive with "/Boot" as mount point and install went though fine.
My question is, will the developers FIX this. I mean if I only have 2 x 2tb drives in teh pc as RAID 1, and the one fails with the boot partition the whole machine goes down. Kinda defeats the whole RAID feature huh.
I USED to run a windows network with RAID 5 servers, and windows never had a problem installing everything on the RAID. Or even setting up RAID 1 in the bios on the PC and installing XP or NT4 on the RAID 1. There was never a need for a separate non raid boot partition.
Do we need a separate RAID friendly/enabled Grub? I guess for now I will get a 250gb drive and install the Server OS to it, and setup RAID1 manually after the server OS boots. Then will make a ghost type image of the server in case that drive fails so I can quickly install a new drive and restore the image and get it back up and running again.
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May 28, 2010
I was running Ubuntu Server 8.04 LTS and using flashpolicytwistd from Google Code to support flash-based telnet on two websites. After upgrading to 10.04 flashpolicytwistd no longer starts.
If I do the following to manually start flashpolicytwistd:
Code:
I get this response:
Code:
If I then immediately do the following:
Code:
I get this response:
Code:
I also cannot locate the process with ps -e, nor can I confirm that it is listening on its assigned port (default is 843, I changed it to 4005).
No errors show up in the logs. I also tried uninstalling and reinstalling with no change.
This problem has been confirmed on the Google Code issues page for this program on Ubuntu 10.04 LTS: [url]
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Oct 3, 2010
i installed ubuntu server on a 4-hard disk system, i installed with the RAID 10 support that comes with 10.04 server optioon. my raid swap is /dev/md0 and my raid data partition is /dev/md1
hard drives are /dev/sda /dev/sdb /dev/sdc /dev/sdd
the instalation goes fine, from the 8TB im getting 4TB mirrored which is what i want,
but the instalation setup goes up to the point where it asks me to install grub boot loader, There i choose the default option and it does a fatal error.
my main goal is just to make it bootable, any method is welcome. this went beyond my RAID knowledge (more conceptual than technical)
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Feb 20, 2011
I've got a couple of new hard disks that I have partitioned (3 partitions per disk) and set up in a mirrored software raid array using mdadm. They've synced, I've put file systems on them (1 x ext4, 2 x luks + ext4) and I can mount them. I've checked the partitions using fdisk. I've checked the filesystems using fsck. So far so good. Next step is that I'd like mdadm to automatically assemble them on boot. (Not bothered about mounting and crypttabing yet.)
I've used sudo /usr/share/mdadm/mkconf to generate a new mdadm.conf with the appropriate UUIDs for the new partitions. I've checked that this matches the output of sudo mdadm --detail --scan
The new lines in this file are:
ARRAY /dev/md9 level=raid1 num-devices=2 UUID=470fb8a6:45561fe0:ebda4a02:9ba7a1ed
ARRAY /dev/md10 level=raid1 num-devices=2 UUID=f351fbba:c704a4b2:ebda4a02:9ba7a1ed
ARRAY /dev/md8 level=raid1 num-devices=2 UUID=c6ccec17:2274588e:ebda4a02:9ba7a1ed
To check that the mdadm.conf is fine I have stopped the new arrays:
[Code].....
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Jul 6, 2011
I've been running my dedicated server on Ubuntu 10.04 for 300 days non-stop so far (touch wood). I'm planning to purchase a dedicated server to host many large sites. The specs are Sandybridge Xeon with 16 bay x 2TB storage using RAID5 (Adaptec RAID 51645).I don't have experience with RAID, but I read that ext4 can only support filesystem up to 16TB, my plan for the system is to have 32TB of storage. How can I make Ubuntu run this configuration?
Also, can Ubuntu 10.04 recognize the Adaptec card? Going through Adaptec website there is no mention of drivers for Ubuntu (although many other distros are available).
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Sep 1, 2011
Quote:
EFI GUID Partition support works on both 32bit and 64bit platforms. You must include GPT support in kernel in order to use GPT. If you don't include GPT support in Linux kernel, after rebooting the server, the file system will no longer be mountable or the GPT table will get corrupted. By default Redhat Enterprise Linux / CentOS comes with GPT kernel support. However, *******if you are using Debian or Ubuntu Linux,******** you need to recompile the kernel. Set CONFIG_EFI_PARTITION to y to compile this feature.
Is this true? Ubuntu has no GPT support native to the server install? Never compiled a kernel. Is that of itself going to be a mind bender? How much doo doo am I going to get into if I haven't done it a few times? Trust me when I tell you its no thrill formatting and reformatting a 8tb raid drive or the individual disks if it screws up. Been on that ride way too long already. Need things to go smoothly. This is not a play toy server, but will be used in a business.
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Jun 7, 2010
I'm having a great deal of time getting Lucid Server up and running on my Compaq Proliant ML330 G2. I've put a thread up in installing and upgrading, but people there don't seem to have any ideas about my problem. Since I figured there would be a higher concentration of server users here,
I've got a Proliant ML330 G2, 2 1.4 GHz PIV's
A dvd and CD drive on IDE1 (I'll explain why in a moment
A 65 gb hdd on IDE2
and four 40gb hdd's on hardware ide raid.
I've tried everything, but I can't get the sucker to boot. Installing to the raid array doesn't work. Some array setups won't partition, and others aren't even recognized as arrays. I've tried disabling the raid array and installing to the IDE hdd (my original intention) but I just get bad system disk errors. It would be exceptionally helpful if anyone has one of these boxes, or has worked on one, but I'm willing to take advice from any direction at this point.
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Mar 9, 2011
We have been using Ubuntu Server at our department since several months now. It hosts a website, e-mail and nfs(only intra).
It was set-up as RAID 0 with two 1TB Hard drives but I want to change it to RAID 1 for fault tolerance. Is it possible to change existing RAID level? If yes can someone point me to the proper place?
I tried "mdadm" documentation and level set option is available but no explanation available that whether it is only while creating the array or it can change the level too.
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Apr 15, 2010
I am rebuilding two microsystems servers and I need some advice to make my dreams come true.I want to setup the servers in a RAID configuration and want to install a GUI Linux application to manage a file server, manage a subnet, and host a Moodle on my subnet.I am planning to use Asus eee netbooks running Linux as my client computers. I basically need to be able to get my kids on the web and be able to have them use some open source office suite tools. No major crunching. I'll have two Macs for that.
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Aug 30, 2010
We have configured software based RAID5 with LVM on our RHEL5 servers. Please let us know if its good to configure software RAID on live environment servers. What can be the disadvantages of software RAID against hardware RAID.
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Feb 15, 2010
I've just upgraded my server installation from 9.04 to 9.10. I'm running this as a Xen virtual machine. All seemed to go well until I restarted, at which point I got stuck at this point:
Begin: Running /scripts/init-bottom ...
Done.
mountall:/proc: unable to mount: Device or resource busy
mountall:/proc/self/mountinfo: No such file or directory
[code]...
My service provider is running xen-shell 1.0.79 running on Xen version 3.0.3-1, and after the seemingly-successful do-release-upgrade, uname -r reports ubuntu kernal 2.6.18-5-xen-amd64. Unfortunately, this isn't mentioned as a possible problem here [URL]
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May 11, 2010
I would like to disable the ctrl-alt-del feature for a Lucid Lynx server.
i found some info on how to enable this in desktop environments, however nothing explaining how to disable it for a server.
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Jul 2, 2010
I want to pull a couple of packages from Debian Testing, but I can not get apt pinning to lower the testing repo's priorityI add the testing repo to the bottom of /etc/apt/sources.lst.I then add this in /etc/apt/preferences but when I do 'sudo aptitude update' and then 'sudo aptitude full-upgrade', it wants to upgrade all packages to the versions in debian testing.
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Oct 5, 2010
Anyone have a tutorial to get puppetmaster and Puppet Dashboard installed? It is way over my head. Requires knowledge of ruby, apache2 passenger module, etc.
Quote: [URL]... Puppet Dashboard Overview The Puppet Dashboard is a web interface for Puppet, an open source system configuration management tool. The Puppet Dashboard currently displays reports with the detailed status and history of Puppet-managed servers (nodes), and can assign Puppet classes and parameters to them.
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Aug 4, 2011
I'm upgrading my PC by setting up a (fake) RAID 1 array. I've backed up my old hard drive using Clonezilla and tried restoring it while the array is active. However, I can't seem to fix the bootloader. The Ubuntu 11.04 LiveCD doesn't see the RAID array.
I have an ASUS M4A88T-M/USB3 motherboard that uses Advanced Micro Devices RAID option ROM utility to manage the array.
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Mar 12, 2010
I have a total of 4 hdd's, 500gb 7.2rpm that I would like mirrored using raid 10. As you can see from the image, ubuntu 9.10 server isn't recognizing the full 2tb's. In fact, I'm not even sure about the configuration as I was thinking the HDD's would come up as four 500gb hdds. Instead I have the configuration above set and ready for Ubuntu to be installed on.
1. Is this typical of a server pre-configured from Dell(perc6 raid controller.
2.Why is ubuntu not recognizing the full capacity of the drives especially when it's a server install?
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Jan 22, 2009
I have had no problem installing Fedora OS on any of my Dell servers prior to this post. Anyway, I wouldn't call this a problem but recently, we bought another DELL server with Quad Core, 4GB, etc... AND this model has 2 swappable SAS Harddrives.
I wouldn't call myself an expert but then again I am not a newbie too. However, I have never setup any RAID before and now I am forced to setup RAID1 on this server. So, in a way, I am a newbie in setting up RAID
Would someone please point me in the right direction as I have no idea what I am supposed to do to setup the RAID. FYI, I will be installing Fedora 10 64bit on this server. I would appreciate if you can start from the very beginning, ie. partitioning, formatting the harddrives during OS installation, etc..
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Jun 5, 2010
I have a new lucid server. When I login to it via ssh it shows:
Code:
Linux syn 2.6.32-22-server #36-Ubuntu SMP Thu Jun 3 20:38:33 UTC 2010 x86_64 GNU/Linux
Ubuntu 10.04 LTS
[code]....
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Jun 14, 2010
I just installed opendkim but I have no idea how to set it up.
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Mar 17, 2011
I have a client with a pair of Supermicro 6025B-T servers that he wants to have Ubuntu 10.10 64bit Server running on for VM/Cloud experimenting. He needs these to be set up RAID 10. I can go into the Adaptec utility and make the array and make it bootable and get to the point in the installer where it asks me if I want to use the SATA array - then it gets to the partitioning screen and the array is nowhere to be found.
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