Ubuntu :: Drive Disappears In Lucid But Drive Designation Skipped
Aug 23, 2010
I have only been using Ubuntu since shortly after Lucid was released. I am a new convert and use it to run a back-up device / media server I have a total of 5 hard drives in the device. I have the Lucid system files written to /dev/sde. I am running a Raid 1 array with mdadm on /dev/sdc and /dev/sdd. I have been prepping to run a second raid 1 array with /dev/sdb and /dev/sda with the ext4 file system. I formatted /dev/sda to have a full partition of /dev/ sda1. I then went to do the same to /dev/sdb and the drive was missing from both gparted and the native disk utility. My array with sdc and sdd is still running with both drives working fine.I swapped the sata cable from sda and sdb with no change. The system will not recognize sdb no matter what I do but it does skip /dev/sdb in boot up which tells me it does see it.I have provide the output of the commands df, fdisk -l, and cat /proc/mdstat.
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Oct 13, 2010
I have a line in fstab to auto mount a drive partitian
/dev/sdb1 /media/Data ext4 defaults 0 2
This worked fine until I upgraded to 10.10.
Now every boot I get the following message on the purple boot splash screen;
/media/Data is not ready yet or not present
S to Skip M manual etc
When I looked at gparted the drive had changed from sdb to sdf. I changed fstab and then ran sudo mount -a I then access /media/Data as expected, that is until I reboot then I get the same message and find that the drive has swapped to sdb again.
This happens every boot, If it was sdb on the last boot it becomes sdf on this boot and vice-versa.
Unbuntu 10.10 upgraded from 10.04 (64 bit)
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May 4, 2010
Ubuntu 10.4 x86
External USB Panasonic OneTouch 4 HDD formatted Ext2
After rebooting the computer the USB external HDD I use for backup appears and is accessible at /media/OneTouch 4
A few minutes later I check and it's unmounted itself (apparently) because it's no longer there.
Restart the computer and it appears for a while once again, then disappears.
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Oct 12, 2010
I'm trying to figure this one out, don't know why, but when I try to use my Asus USB DVD-Writer, to read DVD's, it will start to read the DVD, then all of a sudden just disappear as it was unplugged. I've tried different USB ports and same result, tried it on another computer and it works fine. Tried also install that USB-MODESWITCH and it appeared to helped, but have now returned to it's usual self
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Jul 22, 2011
I have very small ARM computer with Ubuntu 9.04 (Jaunty) running as a backup and media server for my house. I have attached a new "WD My Passport" 750GB USB drive to it. The drive is recognized and I can mount it and read/write files fine. After several minutes, the drive goes to sleep, even if I was in the middle of writing a backup to it. I can force it to start again with sdparm, but it needs to not shut itself down while it's being written to in the first place. I have tried this command to disable the standby state but it doesn't work:
root@Plug:~# sdparm --clear STANDBY -6 /dev/sdb
/dev/sdb: WD My Passport 0730 1008
change_mode_page: failed setting page: Power condition
I have also been told to change /sys/block/sdb/device/allow_restart from 0 to 1, but no such file exists and one cannot be written there. The hardware itself is fine, if I plug it into a Windows computer, it will not sleep while in use.
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Jan 31, 2011
I have an external CD/DVD usb drive and as soon as I insert a disk (I've tried both CD and DVD), the drive icon disappears (unmounts?).I thought it was a bus power issue because it is a mini laptop (Asus Eee PC). This small/slim external drive has two USB cables, one for power and one for power/data. So, I plugged the power cable into my nearby Windows desktop computer and just the power/data into the Ubuntu PC.
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Jun 14, 2010
I'm running ubuntu Lucid Lynx on an asus K50IJ series laptop. I'd had jaunty before and made a fresh install of lucid. My CD drive had been fine in jaunty, but doesn't mount any more in lucid. I have found numerous threads with promising-looking titles, but they either do not match my problem or their solutions don't work for me.
This is my situation: The disc will turn for a bit after inserting, then stop. During that, the little light on the drive will flash a few times, then wink out. So I guess the power supply's fine.
[Code]....
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Jul 1, 2010
I have installed Winxp & ubuntu 10.04. All are running excellently but i cannot brows my windows drive from lucid. in jaunty or karmic i use to work in ubuntu but all files were stored in windows drive. But in lucid i cannot find windows drives.
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Sep 4, 2010
I have just downloaded Ubuntu 10.04 Lucid and I tried installing it on my desktop computer from a live USB stick created with Universal USB Installer under Windows 7. The startup menu loads fine, but then I select "Run Ubuntu from this USB" or "Install" and Ubuntu freezes on the startup screen after about 30 seconds - 1 minute. The problem is my computer because Ubuntu Lucid does starts properly on another machine when booted from the same USB drive. I can also start correctly other live distros such as Parted Magic or Clonezilla.
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Jul 25, 2010
In 10.04 lucid my SONY CRX 140E drive reads data CDs but does not even read and audio CDs. This was not the case in Hardy and I dual boot and just checked in Windows and audio CDs are no problem there.
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May 11, 2010
A year ago I put some stuff on my external hard drive and now I'd like to retrieve it. I've upgraded through a couple of versions of Ubuntu since then and now it doesn't work. I saw that this is a frequent problem in the forums but couldn't find a solution.
How I can access my drive?
Code:
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Jun 8, 2010
I added my wife to my system and gave her adm admin access. I compared my access to her's and it is the same. Yet, when I log on as her, the 1TB USB drive does not show up in Places.
I tried mounting it and it said it was already mounted in /media/FantomDid find with "ls" command that is indeed mounted there, but since it doesn't show in Places, it cannot be accessed.Been searching and hunting and cannot find out why this is. If I would have made up her userid from the start, I wouldn't have this problem, but since Ijust added her,I cannot find a way to get her UID to "see" the Fantom USB drive
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Jul 31, 2010
I am trying to have an encrypted drive auto-mounted once i log into Lucid.
I created the encrypted drive with the disk utility in administration menu
I also have the password remembered "forever" so when i am logged in i just click the icon for the drive on left panel and it mounts.
I am able to find the uuid and know what device is called sdd but i don`t know how to put it into fstab if that is possible?
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May 5, 2010
I have a backup drive formatted ext4 which got filled to no space left, so I deleted some files and folders to make space on it , emptied the trash, files and folders are gone , but it stll says I got no drive space left on it and cant copy a file to it because it thinks its full lol I freed up like 15gb of space on it , have rebooted several times ..
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Jan 22, 2011
I can insert a " burned " CD and it boots and plays right away , but if I insert a purchased music CD or other Purchased media it just scans and does nothing . I've gone to "places " and opened the CD drive and get the message " no media found "or Insert media .Also in the properties tab of the CD drive type is "unknown " and permissions can't be determined .
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May 5, 2010
I have an HP Mini 210 and I recently performed an Upgrade from 9.10 to 10.04 and noticed that the netbook is much more noisy now (and can get very warm). I am not sure wether is the fan or the hard drive spinning. I did a "top" but no process was high consuming. I also thought that maybe compiz could be responsable for it, so I disabled all the visual effects, but still no change.
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May 19, 2010
I have 4 drives in my system. Two are SATA and configured in a RAID 1. This is my main drive for the system. The other two drives are IDE drives used to bulk temp storage. Before the upgrade my RAID drives were:
/dev/sda
/dev/sdb
I'm not sure what the IDE drives were. Now after the upgrade the IDE drives are:
/dev/sda
/dev/sdb
and the RAID SATA drives are:
/dev/sdc
/dev/sdd
Needless to say on reboot the raid blow up and the system would not boot. I was able to get it working for now by removing the IDE drives. My current mdadm.conf file is as follows:
DEVICE partitions
ARRAY /dev/md1 level=raid1 num-devices=3 UUID=20fd5b92:860d9ca3:57d3b65c:14fcf2fb
devices=/dev/sda2,/dev/sdb2
ARRAY /dev/md0 level=raid1 num-devices=3 UUID=16401201:52cf4cc0:27286d7a:ac5234f7
devices=/dev/sda1,/dev/sdb1
MAILADDR root
Now I assume that I could change the devices to the new devices names. However I was hoping for a better way to do this. The IDE drives are only semi permanent. Is there a way to configure mdadm with partition labels like you can in fstab?
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Aug 11, 2010
i currently have lucid installed on my laptop hard drive. i took this drive out and then on a new drive in its place i have installed windows 7. reason why i couldn't put windows 7 on the same drive is that i have a BIOS based system and the hard drive is GPT based not MBR. therefore, i couldn't get windows back on it.
I figured that using an esata expresscard interface i should be able to use the Windows 7 drive externally without much speed penalty since ExpressCard in my case is implemented on PCI Express and not USB.
So i can update grub using
Code:
update-grub
and Windows 7 appears on the list. However, when i select this option during boot, it gives me errors that indicates that the external drive cannot be found (not surprising)
My guess is that when GRUB appears, the external hard drive has not been detected yet, and the modules for the expresscard may only be loaded during the boot process of lucid.
So I am wondering if there is anyway I can get this to work. meaning use lucid on my main drive and boot to Windows 7 from the external drive time to time.
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Oct 23, 2010
I'm trying to create a dual-boot system, and have been following the instructions here. However my hard disk has bad sectors, and GParted won't let me resize the Windows partition. It tells me to use ntfsresize with --bad-sectors as an option, after having done some checks, all of which I've done. I've successfully shrunk the NTFS volume in this way -
when I boot into Windows, it says the hard drive is the size I set it at. However, the Ubuntu installer and Gparted still see the Windows partition taking up the entire hard drive. So, for the installation, do I have to set the size of the volumes manually, or is there a way to make Ubuntu see what ntfsresize has done?
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May 8, 2010
Since Lucid install the cursor periodically disappears, both mouse and trackpad. Requires restart.
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Sep 14, 2010
So I have Ubuntu Lucid machines about 20 of them. Configured via ldap authentication. I seem to be running into a rather strange logout problem. Whenever users click logout they're logged out, however after that all i get is the background screen with the cursor. The cursor is able to move, but no login screen.If i go to a terminal window alt+f1 and do a service gdm restart, then the login screen goes back to normal.
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Nov 18, 2010
We are experiencing problems copying files from a server to server where the machine issuing the copy is a 32-bit lucid and the mount drive is a 64-bit server. I have no other information but the md5's are consistently different after doing a copy. The files are > 8mb.
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May 10, 2010
I just installed ubuntu lucid x64 on an HP dv7-3065dx and even though the installation went pretty smoothly, every time I open cheese or anything else that uses the webcam, the microphone all of a sudden cuts off. It doesn't receive input. However if I use the microphone without camera then the microphone works.... Is the webcam somehow crashing the microphone?? Is there something wrong with pulseaudio? The webcam works great and is recognized as "HP Webcam".
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Jun 17, 2010
I have a Onetouch 4 mini 160GB I bought a year ago. I t used to work fine but all of a sudden it started to become a problem device. My home pc has two operating systems on it: Windows 7 and ubuntu 10.04 lucid. the drive often fails to load on both systems. Sometimes it's recognized, but the reads are very slow and opening a folder on the drive takes around 120 seconds. Itried reformatting the whole drive, chicking it with chkdsk but it didn't help. Now I have around 70 GB of data on the drive. On my office pc I don't have such a problem and the drive works fine.
My home pc has an Asus P5B motherboard and intel core 2 duo cpu. I tried unplugging other usb devices, plugging in the extra power cord (data + data/power) and it didn't help. The drive also makes beeping sounds when I try to browes the files on it. I'm sure thid is not OS related as both Windows and Linux have the same issue. This is the output of dmesg | tail command on linux. You can see the os keeeps "resetting" the drive:
[Code]....
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May 1, 2010
I upgraded to Lynx.When I plug in a USB drive, the drive icon no longer appears on my desktop.If I go to Places/Computer it shows up.And once I open it, the icon appears on the desktop.
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Jun 27, 2011
I am getting a new 4kb sector HDD for my laptop, WD scorpio black 750gb, I would like to image existing partitions on 512bytes sector HDD and move them to the new 4kb sector HDD, what's the best way to do this.
present config is as follows:
Disk /dev/sda: 80.0 GB, 80026361856 bytes
255 heads, 63 sectors/track, 9729 cylinders, total 156301488 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
[Code].....
I am planning to keep the same three partitions as the primary partitions on the new drive and add few more logical partitions. I would have liked to move to GPT but since I need Win 7, I am stuck with MBR partiotion table.
Now, I understand how to partition an Advanced format disk, what I want to know is how to move the existing partitions on the 80 Gb disk to the new disk?
I use Clonezilla to copy partitions but it is not compatible unless both the target and the source disks are already using 4096 sector size.
I can use Acronis True Image WD Edition to clone Win 7 but how do I clone Ubuntu?
Also my Laptop's chipset is limited to SATA 1.5, will it cause any issues, I know the bandwidth is not an issue.
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Feb 5, 2011
So I install Ubuntu 10.10 on a multi-drive, dual boot with windows 7 computer. At almost the end of the install, I see "running grub-install sda" or whatever it is. sda is my windows drive.So rather than asking where to install the bootloader or give you the option like it used to, it just did it to my "first" drive.
What the hell? Now my Windows MBR is gone. I like to maintain that so if my linux drive dies I can still boot into windows via the old windows boot loader.Possible to move Grub2 to my other drive and repair windows 7 drive MBR?
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Feb 12, 2011
i have ubuntu 10.10 installed on a 40gb hard drive and have setup arch linux on a seperate 160gb drive and am at the Choose bootloader screen of Arch Linux. My question is do i use arch linux to reinstall GRUB or do I choose none and configure GRUB to see both? if its the later can you tell how. Oh and Ubuntu is on sda and Arch is on sdb
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Jan 23, 2010
I wanted to know if i can install 9.10 onto a usb flash drive--without using my computers hard drive at all when running ubuntu off the flash drive-
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Apr 7, 2010
I recently scapped XP Pro on an old laptop (Toshiba Portege 7220)as it was so slow and I installed Ubuntu 9.10 - All installed ok and it worked fine for about a month. Last week I switched on, got the Ubuntu splash screen and thats where it stayed. I gave lappy to a friend of mine that knows about Pc's (hahaha). When I got it back he said he'd wiped the HDD and partially installed xp. The install apparantly hung after the reformat and copying files onto it.My problem now is I can't boot from HDD, Ubuntu Live CD or Windows CD - Laptop is set to boot from cd then hdd.When I try to boot from CD, the cd is read as I hear the drive being used also see light for cd flashing, after a while i get a blank screen with flashing cursor in top left corner and the cd stops.If I remove the HDD and put it in external usb caddy I can see the windows folders/files when plugged into my desk top.My questions are :-
1. Is there any way to make the drive reusable as a internal drive again as I know it works as an external drive.I would like to reinstall Ubuntu on it
2. Is it a fault with the laptop itself - how do I check
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