Ubuntu :: Restart The Computer The 6X1TB RAID Does Not Start Up?
Jul 27, 2010
this explanation could take a paragraph or two. I have 7 hard drives in my system. One is a 250GB PATA I use for the Ubuntu install, 3 are 1.5TB SATA Seagates and the other 3 are 1TB SATA Seagates. I have had to replace 4 drives (one of them is the same drive twice) in order to get 6 that actually work well. That's a 40% failure rate. Most of the failed within a week or so of putting them in.
Through all of that I have learned a few things and now have them configured as follows. I have all six of them Raid5 with 1TB partitions. And then the 3 extra 500GB partitions I put as Raid 5 also. Seems weird, but it saves 1TB of space instead of having 3 1.5TB RAID5 and 3 1TB RAID5.I then use LVM to make it all one big 6TB drive. Yummy, lots of space.
Here's the problem I have had the last couple of times I restart the computer the 6X1TB RAID does not start up, or I should say it has all the drives as spares (the 3X500GB RAID starts fine). I have to use --force to get the raid to load, and all 6 load fine. I believe it says something about having to write something to two of the drives (I believe it is something about the superblock) to make them the same. I'm sorry I did not catch the message.Is that enough information for someone to tell me why it does this? It's done it twice now, when I reboot the computer.
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Jan 29, 2011
I've decided to toy around with LVM and mdadm this weekend. I can get everything working, and all is well, until I restart. After that, I no longer have any /dev/md0 device, which during the auto mount process, causes an error. I've looked through several HOWTOs, as well as the LVM/mdadm man pages, and I believe I've tracked it down to mdadm's "assemble" that is needed (so that LVM can see the md0 device).
Not exactly sure how to go about having this occur during the boot process to ensure that the LVM mapped drive is available for when fstab is read. In case it helps this is a base install of 10.10 server 64. I have four drives, the first is used for the OS and is not in the RAID array (nor LVM). The second and third are RAID1 (/dev/md0) and there is a volume group associated with /dev/md0. The last is a LVM, but not RAID, and it has its own volume group.
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Aug 30, 2010
Is there a way to find the raid type without restarting the machine?
I m using linux operating system.
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Mar 10, 2010
I have a raid 1 array which I did setup on a Centos box. I can configure the array fine the problem is every time is restart my machine I can no longer see the array and have to go create it all over again. I tried doing a few searches on it but have came up with nothing so far.
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May 5, 2011
I made a software RAID 0. It works fine, but when I add it to fstab and reboot the server, I can't restart the server.
Code:
# cat /etc/fstab
LABEL=/ / ext3 defaults 1 1
LABEL=/boot /boot ext3 defaults 1 2
tmpfs /dev/shm tmpfs defaults 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
LABEL=SWAP-sda5 swap swap defaults 0 0
/dev/md0 /vz ext3 defaults 0 0
When I go to rescue mode and delete /dev/md0 from fstab, I can restart, but I get this when I try to mount it again:
Code:
mount: you must specify the filesystem type
So I try to make it to a ext3
Code:
# mkfs.ext3 /dev/md0
mke2fs 1.39 (29-May-2006)
mkfs.ext3: Device size reported to be zero. Invalid partition specified, or partition table wasn't reread after running fdisk, due to a modified partition being busy and in use. You may need to reboot to re-read your partition table.
#fdisk /dev/md0
Unable to read /dev/md0
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Sep 30, 2010
i have a problem i cant access remote support on teamviewer but i have access to transfer file. is there a way to make a file and send it to restart the computer. or is there anyway i can restart the computer over the internet. i cant be physically be at that computer for another 1 week.
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Oct 25, 2010
Have installed Ubuntu Lucid and I'm unable to restart the computer. Doesn't work using the power icon in the top right or using sudo reboot from the termial - I have to hit the reset button to get the computer going again. The problem is only related to restart - shutdown works as it should. When I try to reboot, the screen goes black aside from a narrow band of crimson on the far left of the screen; it freezes at that point. I've had a look through the var/log/messages and saw nothing that was an obvious problem, but then again it's not something I've ever had to look at before. Tried adding acpi=off as an option but that seemed to make no difference.
Not sure whether it's relevant, but specs are 3ghz Core 2 Duo; ATI 4850;4gb ram; Gigabyte motherboard with Intel p31 express chipset.
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Sep 30, 2010
i am having trouble connecting on teamviewer to my home computer. i can do file transfer but remote access is not working. is there a way i can transfer a file that can restart my home computer or any way i can restart my home computer through the internet?
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Mar 25, 2010
I have a 10x2tb disk array that i'm trying to build into a single software raid 5 i have tried this 2 times now the first it made it to 58.7% and the machine locked up and the array would not restart after a reboot. On my 2nd try all was looking good until about 50% i noticed that the speed dropped in 1/2 and that ksoftirqd/2 is taking up a lot of cpu (about 90%) the md0_resync and md0_raid5 are also taking 60-90% when the build started they took 7%. when i do a dmesg i see a lot of the message compute_blocknr: map not correct.
For a little info on the physical setup this is running on an Atom 510 with 2GB of mem the drives are connected to an addonics 4-Port RAID 5 / JBOD SATA II PCI Controller using the sil3124 chipset. I'm using 2 addonics 5X1 SATA Port Multiplier connected to the controller to get the 10 drives attached. All drive show up and don't seem to have any issues. I'm running a fully updated as of 3/20/10 version of centos 5.4
I will let this continue to run over night but i expect it to be locked up by morning if it follows what the last attempt did.
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Jun 25, 2010
Have tried to install 10.04 from a cd sent to me by ubuntu. lts on an x-windows medion pc mt7 (med mt 345). Previously comp. was running windows xp pro. After pressing restart at end of install process I get nothing! Black screen, no mouse control , no keyboard control, nothing at all.
Have tried putting cd in again but get nothing, on pressing restart the cd was politely ejected. Have tried rebooting a few times but get no response. Everything is switched on. So now I cannot even get a terminal up, the only thing I am fairly certain about is that the computer is sending a signal to the screen as there is Not a "no signal" message.
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Jul 23, 2010
[code]...
this is my AGP card. My problem is while using ubuntu.. i experience sudden black screen and when the black screen appears it appears for forever until i restart the my computer, it happens suddenly and many times and im having this problem in ubuntu only never experienced in windows.. as i kicked of windows and using ubuntu so i am having this problem regularly. I am using Ubuntu 10.04 Lucid. Ram 512. And i am 10 days Old in ubuntu
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Oct 8, 2010
just installed ubuntu 10.04.1 after using ultimate for abit but having sound issues which i thought could have been os based.Sound works fine from boot and continues fine until i open options and try to configure my mic settings, i get like maybe 5 secs to make adjustments then all my sound dies totally. The icon then shows as speaker with 3 lines next to it and within the configuration for sound my mic hardware vanashes. I cannot get any sound until i restart my computer and so cannot use apps like skype which i do tend too use alot.
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Nov 7, 2010
I have a fresh install of Ubuntu 10.10 on a home server. I can connect to it using vinagre from another computer just fine. However, if I restart the server I can no longer vnc to it because I need to log in (start a gnome session). Is there a way to do this using just vinagre? Do I need to install another vnc server on my home server? The problem is that I don't want to carry a monitor from another room just so I can log in and start a gdm session if the home server gets restarted.
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Feb 27, 2011
I was playing with the Gnome-shell and my gui crashed. I was stuck in full-screen Terminal (i.e., Ctrl Alt F2) but I could not figure out how to shutdown/restart the computer.Anybody know if there's a command for this that works from within Terminal?
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Apr 4, 2011
I have a slight problem. I think it is corrupted file(s).
My Debian Testing KDE is not functioning properly. When I Leave and click Restart Computer, the computer does not go to a reboot but goes to the KDE login screen. When I cold boot the computer and click Restart Computer from the KDE login window, the same thing happens, the login window reappears.
When I choose Turn Off Computer, the computer properly powers down.
It looks like I should re-install something but what that something is I don't know. I checked the boot and dmesg logs. Nothing leaps of the screen at me but I have to admit that I am not 100% sure what I am looking for.
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Oct 25, 2010
Done a fresh install of Fedora 13 - it's the only os on the computer. Everything appeared to go well, but I'm unable to restart the computer. It gets to a point where it says restarting and just hangs there. Had a bit of a search through the forums and I see this was a problem for some people with earlier versions but haven't seen much mention past Fedora 10, and there doesn't seem to be a universal fix that's worked for everyone so not sure what I should be doing. There was some mention of the problem being related to nvidia drivers, but my video card is an ATI 4850 so that seems to rule that out as a possible cause. I've had several years using Linux (mostly Ubuntu and openSUSE) but hardly any experience with Fedora.
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Jun 23, 2010
I tried to install Ubuntu as a dual-boot on my Windows XP machine, using the USB stick trial OS and automatic installation. My screw-up came when I left my external USB hard drive plugged in during the install, and as far as I can tell, Ubuntu was installed on that as opposed to my internal HD. Now when I try to boot, I get knocked straight to the grub rescue prompt with an error message that basically shows my "no such device (my external's ID)" -- assuming that the MBR (which I know nothing about editing) is trying to boot off the external that isn't actually enabled until an OS starts it up, and dumping me at the rescue prompt when it can't find it.
I can still load up the trial Ubuntu off the original USB stick (though can't get online with it without wireless drivers), but that's as functional as the computer gets right now. And I don't have a Windows Setup CD anywhere (using a rooommate's Mac at the moment with a terrible European keyboard on it). So is there any way to edit the MBR or something to tell it to boot my regular XP off my internal HD, at which point I can re-partrition and try this whole thing again, or otherwise remove the failed install of Ubuntu through the trial-stick or... well, I'll leave the suggestions up to you all. I've been working on this since about 4am last night and my brain is kind of fried.
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Jul 2, 2010
I have a Dell desk top PC, running WinXP and Ubuntu 10.04 LTS with a Ge-Force FX 5200 video card. In trying to get both monitors to work properly I thought it would help to reinstall Nvidia binary X.Org driver V173. After I removed the driver I tried to restart the computer with Umbuntu, it hangs up at the Ubuntu logo. I can boot with the live disk, I also tried to reinstall the Nvidia driver But the machine still will not boot from the hard drive, it will boot into Win XP normally.hould I just reinstall Ubuntu or fix the problem I created? My skills working in Terminal are minimal
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Oct 14, 2010
I am having problems with getting the drivers to work for a geforce 9500gt.To get started Im working with a fresh install of 8.10, and I have successfully installed the driver package for this card from nvidia's site, version 260.The problem comes after I restart the computer. It fails to load. I am able to install the driver and start X and it works greatI can even restart x and it still works. but as soon as I restart the computer it doesn't load. I then need to reinstall the driver. I am curious if anyone has an idea of whats wrong here? I am wondering if it's a possible xorg.conf problem so I will post that below.
xorg.conf file
Section "ServerLayout"
Identifier "Layout0"
[code].....
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Nov 19, 2010
I am having a problem with my internet connection. It only works half the time. Usually when i start the computer it doesn't connect until i restart anywhere from 1 - 10 times. I did sudo ifconfig while it was not working here is the output:
eth0 Link encap:Ethernet HWaddr 00:19:d1:00:36:41
inet6 addr: fe80::219:d1ff:fe00:3641/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:11 errors:0 dropped:0 overruns:0 frame:0
[Code]...
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Apr 24, 2011
Like the title says, is there a way to restart the computer if the internet connection is lost?Is this possible on ubuntu?
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May 3, 2011
i just installed ubuntu 11.04 on my brand new eMachine desktop but after install the dropbox desktop application, its icon in the notification bar (beside clock and network connection) will disappear after restart the computer. i tried to reinstall dropbox application but the icon will disappear again after reinstall.
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Oct 2, 2010
Brand-new to Linux. Using a computer with openSUSE 11.3 (64-bit) freshly installed. Install went flawlessly without any kind of error messages.
Hardware used: MSI X58 Eclipse, Intel i7-920, 6 GB memory, Seagate 500 GB SATA.
openSUSE is the only OS installed.
After the install is finished, all programs work fine. HOWEVER when I try to shut down/restart the computer nothing happens! I basically have to use the power off button to shut down...
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Aug 9, 2011
recently I installed opensuse 11.4 in my Dell optiplex 790 desktop. everything works well. however, when I tried to restart or shutdown my computer . the computer logoff and then "freeze" at opensuse window. I have to turn off the power button forcely and turn on the computer again.
My computer configuration:
DELL Optiplex 790
Intel i5 3.1G with HD intel graphic card
Bios revision A05
Memory 8G
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Jul 5, 2011
Something happened where my RHEL6 computer locked up and I needed to shutdown the computer manually via holding the power button. When I turn the computer back on all I see is the wallpaper and mouse cursor...no log in window or anything. I can do the alt-shift F1/f2 thing where I can log in via terminal type commands but I cant get the normal display to work. When going init 5 in the console x loads but still nothing but the wallpaper and mouse. When I go back to console it seems to be stuck at enabling bluetooth devices...but I dont believe I even have a bluetooth device.
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Feb 1, 2010
Is it possible to have a tri-boot system ? I currently have a dual bootsystem on mydesktop. Win XP & Ubuntu. I want to add SUSE 11.2 but don't know how to go about loading it onto my machine. On restart the computer does not recognize the CD in my rom drive and only asks if I won't to load Windows or Ubuntu. How do I go about adding another OS to my hard drive ? I have an old Gateway with 130Gb hard drive and plenty of unallocated drive space and 512Mb of Ram. I use Windows rarely (almost never but do need it for some applications) and mostly rely on Ubuntu which my wife and I both like and use daily but I want to look at and experience other Linux installations as well
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Sep 21, 2010
I am running Ubuntu 10.10(I know what you're thinking, but I have a thing for Betas) and everything was going well until I installed an update calles Grub-PC, which I don't know exactly what it does but it said it was important. Now ubuntu won't start unless I first restart from Windows. If I try to turn on the pc and start ubuntu it restarts itself. I can only read something about NTFS, it only shows the text for less than a second than it restarts.
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May 3, 2010
For some time now, my laptop makes a quick but loud buzz sound when I shutdown or restart it. Muting my sounds doesn't fix it. Before, it didn't do this. It just started one day and got worse till it happened everytime I shutdown or restart.
Going to preferences > sounds > changing sound theme to no sounds helped a bit and after doing this, it doesn't happen all the time anymore. This is quite disturbing especially when I'm in libraries. What worries me the most though is that it might affect my speaker.
I'm using Karmic btw.
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Dec 30, 2010
I found out that every time I play a file from my Banchee playlist after restarting my computer it won't play. The cure for this is just opening places/ntfs partition.After that it plays the same playlist normaly. But it's anoying having to do this every time..
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Apr 1, 2010
I recently updated my software (on Fedora 13) and after the updates had finished installing, it said that the computer required a restart. I noticed that I could no longer type anything into the search bar on Firefox without an error message appearing. So I thought it best to restart the computer then. When restarting, the loading screens took much longer than usual. The guitar pick shape that fills with white was stalling around the top. (I know, I love my complete comprehension of the problem too.) I pressed escape, and was given this message on a black screen.
Welcome to Fedora
Press 'I' to enter interactive startup.
starting udev:udevd-work[517]: '/sbin/modprobe-b pci: v000014E4d0000170Csv00001028sd000001F1bc02sc00i00' unexpected exit with status 0x0009
[OK]
[OK]
setting hostname (my computers name):
This is as far as I can get. I press Esc again, and I see the completed fedora logo, but nothing else happens. I press Esc again, and I come back to the previous screen, and this time there are two of the above messages. My computer is fairly old (four years), so I understand if the hard drive is deteriorating. I would like to have use of my computer back, but at the very least I would like to recover some files that I have not backed up.
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