Ubuntu :: Device Paths Change After Ever Reboot?
May 2, 2011
After I reboot my Ubuntu 10.04.2 LTS l machine my device paths change (even the boot drive) and this causes havoc on my two RAID5 arrays. The device paths change and causes a mismatch in my fstab and I have to manually mount both RAID arrays every time. It's quite frustrating and annoying and I would love for it to stop. This even happens for the boot path.
Example: my boot path is /dev/sde5 I reboot my machine and my boot path changes to /dev/sdm5
Why does this happen? And more importantly how can I stop it from happening so it stops messing with my RAIDs?
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Jan 19, 2011
I built a Raid5 volume with 3 SATA II hard disk drives. Further I have a system disk conected through IDE. During the first setup the IDE disk becomes sda, the SATA II disk sd[bcd] respectively. Now, sometimes the device names change after reboot - why ever... E.g. one of the raid5 disk become sda and so I got an error message during the boot procedure regarding the raid set. Curious, when the system is up and I stop and restart the Raid5 volume it comes up and runs fine. Because I'm currently at work I can't post any more detailed config files at the moment.
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Jul 27, 2010
I'm relatively new to linux in this capacity. I've had to reboot a SAN host (iSCSI initiator). I took a grab of the df -h output before reboot to ensure I was all mounted again afterwards.
Code:
Jupiter:~ # df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 30G 18G 11G 64% /
udev 1007M 128K 1007M 1% /dev
/dev/sda3 30G 11G 18G 39% /var
/dev/sdb1 2.0T 1.2T 756G 61% /mnt/kvsan2/distribution
/mnt/kvsan2/distribution/wwwroot/kvAutoUpdate/publish 2.0T 1.2T 756G 61% /home/ftpupload.kv_users/config/ftp
/mnt/kvsan2/distribution/artwork 2.0T 1.2T 756G 61% /home/artwork
192.168.10.45:/mnt/KVSAN5_TH/mp3 2.0T 365G 1.7T 19% /home/ftpupload.kv_users/config/ftp/clips/mp3
192.168.10.45:/mnt/KVSAN5_TH/mpeg 2.0T 1.2T 878G 57% /home/ftpupload.kv_users/config/ftp/clips/mpeg
/mnt/kvsan2/distribution/wwwroot/kvAutoUpdate/publish/musiccon 2.0T 1.2T 756G 61% /home/artwork/Musiccon/autoupdate
/dev/sdc1 50G 23G 25G 49% /home/artwork/Musiccon/musicnew
However upon reboot I am faced with
Code:
Jupiter:~ # df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 30G 18G 11G 64% /
udev 1007M 128K 1007M 1% /dev
/dev/sda3 30G 11G 18G 39% /var
/dev/sdb1 2.0T 1.2T 756G 61% /mnt/kvsan2/distribution
Jupiter:~ #
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Jan 16, 2011
I am wondering how to change the default paths for Pictures, Documents, Music, etc to different paths (on a different partition within the same HDD). What's the cleanest way of going about this?
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May 12, 2010
My compiler won't find <new>. Since it's such a basic function, I'm a bit confused. Is <new> supposed to be in a file of its own? Where do I find it? And if it turns out to be missing on my computer, where can I find a <new> one? Or do you see anything else that I do wrong?
After some trying out, it seems I can't find stuff like iostream or any other basic stuff either. The compiler is prolly looking for them at the wrong place. Does anyone know how I change or add paths for the compiler to look in when using the "<>" operator?
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Apr 16, 2011
Reboot and select proper boot device or insert boot media in selected boot device and press a key. I got this error after: Reducing my Windows 7 partition by about 100gb. Creating a new partition (100gb) and copying my Ubuntu partition (10gb) to the new partition. After it was copied, and pasted, the original partition was deleted. I now had two partitions a new 100gb Ubuntu partition and a 600gb (or so) Windows 7 partition.
All of this was done using a bootable USB with Ubuntu 10.10 and GParted partition editor. Now when I boot I get the "Reboot and select proper boot device or insert boot media in selected boot device and press a key." error.
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Jun 14, 2011
I've been trying since ever to install the new ubuntu on my FakeRaid controller and I'm really starting to get frustrated. After restarting, i get the message "reboot and select proper device.." So my first tough was that my grub was not installed properly. So i ran the boot_info_script.sh that I found in the forum and here is my output. It says that the boot loader is not installed and my Raid is screwed up. I went look in the BIOS and everything looks fine. Ive put the result.TXT from the script.
Quote:
Boot Info Script 0.60 from 17 May 2011
============================= Boot Info Summary: ===============================
=> No boot loader is installed in the MBR of
/dev/mapper/ddf1_00000000000000004b1ba2914b1ba291f5010000f5010 000.
ddf1_00000000000000004b1ba2914b1ba291f5010000f5010 0001: ________________________
[code]....
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Mar 24, 2009
configure my raid devices so it can be started and mounted at start-up.
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Aug 14, 2009
I installed ZTE MF 626 modem in my F10 with kernel 2.6.27.12-170, i run usb_modeswitch and so far things happened normally. Watching through /var/log/messages it says that F10 detects two port device for this modem: ttyUSB1 and ttyUSB2, and in the sequence it disable port ttyUSB1 BUT Network Manager still set this port.I mean, when i connect via wvdial appointing to ttyUSB2 i get connection, but Network Manager fails to do it appointing to ttyUSB1. How to change device port in Network Manager?
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Jul 31, 2015
Currently using a USB mouse, keyboard and the USB touch input from an Elo touchscreen connected to a Raspberry Pi (using the Raspbian flavor of Debian) through a USB hub and when I query the content of the directory /dev/input/ I get 4 "events" with each event designation associated with one of the input devices (the 4th one never seems to be active??).
pi@raspberrypi /dev/input $ ls -la
total 0
drwxr-xr-x 4 root root 240 Jul 29 02:20 .
drwxr-xr-x 12 root root 3300 Jul 29 02:23 ..
drwxr-xr-x 2 root root 160 Jul 29 02:20 by-id
drwxr-xr-x 2 root root 160 Jul 29 02:20 by-path
crw-rw---T 1 root input 13, 64 Jan 1 1970 event0
[Code] ....
If I examine an "event" characteristics using the linux utility "evtest" - example "event0" , I "might" get:
pi@raspberrypi /dev/input $ evtest event0
Input driver version is 1.0.1
Input device ID: bus 0x3 vendor 0x4e7 product 0x20 version 0x100
Input device name: "Elo TouchSystems, Inc. Elo TouchSystems 2700 IntelliTouch(r) USB Touchmonitor Interface"
[Code] ....
which is the Elo touchscreen.
But if I reboot the Raspberry Pi - I can also get for an evtest of "event0":
pi@raspberrypi /dev/input $ evtest event0
Input driver version is 1.0.1
Input device ID: bus 0x3 vendor 0x413c product 0x3010 version 0x100
Input device name: "HID 413c:3010"
[Code] ....
which is the USB mouse.....
It appears as if the assignment of the "eventX" identifiers (i.e. the "X") is arbitrary and it can vary with each reboot... which is problematic as I need to identify which "device" will provide the touch events for openframeworks. Is there a way to assign a specific device to a specific "eventX" designation ???
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Sep 24, 2009
We are running SLES 11 where an iscsi tape library is attached. To load the tape in a slot we are using for
instance the command #mtx -f /dev/sg1 load 2 which is doing very well. But after a server's reboot the device name of the loader is now /dev/sg4 or /dev/sg5 I mean it is dynamic. Is there any way to have a fixed device name for all times?
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Dec 28, 2010
The ethernet configuration files are under
"/etc/sysconfig/network-scripts" such as "ifcfg-eth0:1" etc.
The file looks as follow:
Code:
DEVICE="eth0:1"
BOOTPROTO="static"
ONBOOT=no
IPADDR="172.23.17.10"
NETMASK="255.255.255.0"
ALIAS="yes"
I've set the ONBOOT=no. This means this device should not be activated at boot-time. But as I reboot the machine, this device is activated again. This means the option ONBOOT doesn't work. Seems this is a bug of RedHat LINUX?
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Apr 15, 2011
I've got an LVM2 VG containing 1 LV running on SLES11 SP1.
I have an entry in /etc/fstab to remount them at boot:
Code:
/dev/myVG/ibmLV /opt/IBM ext3 defaults 0 0
Whenever I reboot the whole VG disappears and I find the following in /var/log/boot.msg:
Code:
<notice -- Apr 15 12:35:55.954677000> boot.localfs start
Waiting for /dev/myVG/ibmLV . no more events
[Code]....
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Apr 16, 2010
I tried to install F12 on my new IDE-HDD. The installation completed without any errors. But, when rebooting my PC I got a dark screen with error message: reboot and select proper boot device.
No BIOS boot up issue, since booting up using other hard disk running windows has no problem at all. I have set the hardisk jumper to master/primary, tried to re-install F12 a couples of time, but didn't make any difference.
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Mar 31, 2011
Recently setup Ubuntu Server 10.10 on an old Dell Poweredge 2650. It seemed to be working perfectly until I did my first reboot. I tried changing the 'root' reference on the linux line at the grub menu with no luck. I suspect the problem is something else but I have no clue.
So far the behavior seems completely consistent. If I physically power the machine down and start it back up everything works perfectly. However, if I do a sudo reboot now I'll end up at the initramfs prompt. I'm not comfortable setting up my dev environment on this box until I'm sure it will be stable. In case it matters the machine is running a single scsi drive and doesn't have a raid controller.
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Jan 7, 2011
Unfortunately accidentaly I disconnected my usb drive my computer and my VMs run from so I just rebooted for a quick fix Now I can't open virt-manager locally and the VM's can't get network connections I see this in the logs after the last two reboots
Code:
grep lxc /var/log/messages |tail -n 2
Jan 7 00:45:04 F820 libvirtd: 00:45:04.524: warning : lxcStartup:1895 : Unable to create cgroup for driver: No such device or address
Jan 7 11:52:53 F820 libvirtd: 11:52:53.325: warning : lxcStartup:1895 : Unable to create cgroup for driver: No such device or address
[code]...
I tried restarting libvirtd after with no love so I rebooted and cgroup was gone this was a clean install of F14, after this started I brought the system current, I can provide the packages installed but they errors didnt change
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Apr 25, 2011
I want to know why when i change the file hosts, fill it with due parameters and reboot the system, the latter unexpectedly change ?
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Jul 19, 2011
I want to change the reboot of ctrl+alt+del for shutdown, how i can do this in Fedora 15 ?
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Jun 24, 2010
what now trying to mount partition get this error this is the partition ubuntu 9.10 is installed on and upon reboot error no device with a long string. mount: can't find /dev/sda6/mnt in /etc/fstab or /etc/mtab
so now that I believe I've successfully mounted the partition how do I direct the bootloader to this partition /dev/sda6 on /media/11076e45-e27d-470b-bb6d-6894f7809a0c type ext4 (rw,nosuid,nodev,uhelper=devkit)
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Sep 12, 2010
I installed Ubuntu 10.04 for the first time and had a few issues to put my laptop's wireless device to work (see thread [URL]I am now able to use the wireless connectivity but I still have a problem. Every time I reboot Ubuntu, the system does not seem to recognize that a wireless device is present. To overcome this problem I remove the driver and once this is done I activate the driver.The system then finds the wireless device, enables it and connects to the default wireless connection.
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Jan 26, 2010
Every time i reboot my computer my hard drive mount points keep changing which means the mount points i've put in the fstab wont work any more.
I'm using the same settings as i had before i upgraded the OS to what it currently is.
Im using fedora 12
My disk 1 for example would be as follows:
before: /dev/sda3
after: /dev/sdd3
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Jun 13, 2009
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Oct 18, 2009
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Jul 22, 2009
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May 28, 2011
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Any thoughts how I can do this?
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Jan 3, 2010
I have 2 internal SCSI drives in the box. I also have an external USB HDD that's almost always there, so it's in fstab to be mounted somewhere.
When I boot with the external connected, here's what I get:
External = sda
Internal SCSI-1 = sdb
Internal SCSI-2 = sdc
Without it:
Internal SCSI-1 = sda
Internal SCSI-2 = sdb
The SCSI drive's are a RAID setup, so if I boot without the external I have complete RAID failure.
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Jul 20, 2010
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Nov 18, 2010
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Dec 4, 2010
I'm not sure what to make of this. I have setup an Ubuntu 10.10 server with two software raids.md0 is a four disk raid5 - 3TBmd1 is a two disk mirror - 300GBI think I have a drive failing (and am going to replace it regardless, but I have to take an outage), what appears to happen is it comes on-line with one id (/dev/sda) then something happens AFTER the rebuild completes and the drive changes to another id (in this case /dev/sdh) and puts the array in a failed state.Is this some sort of protection mechanism to prevent degradation to the array? When setting this up, presumably before the disk started to fail, Ids seemed to jump from reboot to reboot and caused me all kinds of issues.Also, neither device appears to return info after the change.
Code:
bwoods@MediaServer:~$ cat /proc/mdstat
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
[code]....
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Jan 31, 2011
In nautilus I have but when I need to access that location from dialogs in other apps it doesn't work. E. g., "save page to" dialog in firefox.
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