Ubuntu :: One Of My Spares Missing / Get Disks To Behave Themselves?
May 10, 2010
I have a 6+2 disk RAID5 array. If I do mdadm --detail, it shows me 6 active, working 8, failed 0 and spare 2, as expected. However, in Disk Utility, it tells me I have two arrays, the one I expect, but with 6+1; and another with no disks. When I look through my disks, I see there's one which is 'different'. While I had made all my 8 disks partition-less, this one seems to have developed a partition somehow - "Linux RAID autodetect". Also, when I click on 'Go to array', it takes me to this other odd diskless array.
How can I get my disks to behave themselves?
(Also, I think these disks seem to move around devices for some reason).
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Mar 31, 2010
I have/had a PC with several hard drives, and a mix of ubuntu and windows on multi boot.The old boot drive died screaming, and I need to start again. (But my data is safe! yay!)
Is there anything special about which drive can be the main drive to start booting from? Or to put it another way, can I install to any of the other 3 and expect it to work, or do I need to switch them around so a different drive is on the connections for the recently dead one?
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Feb 25, 2010
I have servers which contain SATA disks and SAS disks. I was testing the speed of writing on these servers and I recognized that SAS 10.000 disks much more slowly than the SATA 7200. What do you think about this slowness? What are the reasons of this slowness?
I am giving the below rates (values) which I took from my test (from my comparisons between SAS 10.000 and SATA 7200);
dd if=/dev/zero of=bigfile.txt bs=1024 count=1000000 when this comment was run in SAS disk server, I took this output(10.000 rpm)
(a new server,2 CPU 8 core and 8 gb ram)
1000000+0 records in
1000000+0 records out
1024000000 bytes (1.0 GB) copied, 12.9662 s, 79.0 MB/s (I have not used this server yet) (hw raid1)
[Code].....
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Mar 13, 2011
some days ago I upgraded my 10.04 Ubuntu to 10.10. Upgrading took quite some time as I had already witnessed in previous upgrades. Everything seems to work fine after this operation but for the Grub. I can no longer set the timer! It means I have to manually push "Enter" to start booting. I also noted that I cannot change the font size of the Grub any longer. I have not seen such behaviour during previous upgrades (I started upgrading with U 9.04).
Toshiba L505-10M with dual boot W7/U 10.10 500 GB HD & 6 GB RAM
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Apr 16, 2011
is there any way by which the cat command can be made to behave like less or more?i.e when less or more used with a text file as argument, will display the file 1 page at a time, allowing us to navigate through the file.So any way for cat to display the file 1 page at a time?P.S : I don't want to pipe the output of cat to less or more.
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Mar 15, 2010
I am compiling some c++ code trying to connect it with libi2cbrdg.a library where I have a lot of functions. So when I am doing this gcc -g rand.c -lasound -li2cbrdg -o rand.I don't have missed functions instead I have some other C/C++ connected errors, when I am using g++ compiler like this g++ -g rand.c -lasound -li2cbrdg -o rand.it does not see functions inside that library but everything fine with c++ code.How can I make g++ behave like gcc in this case?
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Dec 3, 2010
I just set up NIC bonding in Ubuntu 10.4, following these instructions, and I've got it working except for one problem: Every time I up or down a network device, or every time the system reboots, my routes go all to hell with eth0 and eth1 entries next to my bond0 entries. When the eth0 and eth1 entries show up, my connection is hosed and I have to go in via the maintenance IP to kill each route one at a time, leaving only bond0. Here's how I want my routes to look at all times:
Code:
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
10.87.9.0 0.0.0.0 255.255.255.0 U 0 0 0 bond0
0.0.0.0 10.87.9.1 0.0.0.0 UG 100 0 0 bond0
Here's my /etc/network/interfaces:
[Code]...
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Jul 13, 2011
possible to make a flashdrive behave like keyboard. I recon there must be some good reasons not to. Because I can imagine some situations where this comes in verry handy.For example a script that executes gives login tab password enter and readies the next login for the next computer.This way I could just plug the flashdrive in, let type, plug it out and continue.
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Nov 24, 2010
I have a file in a directory mysite/a.php on machine A and machine B. The files will not have any difference initially.On machine A if a.php is changed and then when a sync is done from machine B to A, will a.php have the change or will it be overwritten? What about directories?
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Dec 10, 2010
In Konqueror, when browsing files the display would open in the "Advanced Embedded Text Editor" which was really handy. In Dolphin it
opens in Kate (KWrite by default but I changed it.) Is there a way to make Dolphin behave like Konqueror?
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May 17, 2011
I want to disable the CAPS LOCK key and replace it by pressing SHIFT twice in quick successions (like you do in Android and iOS devices). Disabling the Caps Lock key is easy using xmodmap but is it possible to do what I want to do with the SHIFT key?
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Nov 22, 2010
Each time I pass with a cursor over a widget on the desktop its side bar appears, of course it should because of resizing and moving or do some setting, but that is very boring if I do not intend to use that bar. Screenlets behave better, the setting menu appear only with proper clicking. Is there a way to manage jumping widget menu bar not to appear on every cursor passing ?
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Sep 13, 2011
I've recently installed openSuse 11.4 64bit with KDE 4.6 and that's when the trouble started. If I put a data or mp3 cd in the drive it can be mounted. Simple audio cds refuse to mount, giving me only the option to play on one of the audio players. Since I wanted to move some music to the computer I've had to resort to windows to copy files then transfer them. How can I force KDE/Suse to behave the way I want or do I have to revert to an earlier version with KDE3.5? I suspected that System Settings/Removable Devices was where I needed to be but nothing I did worked. So then I tried playing with System Settings/Device Actions and again nothing seemed to work. I can't mount the CD manually,I get this (using su -c "mount etc"
mount: block device /dev/sr0 is write-protected, mounting read-only
mount: /dev/sr0: can't read superblock
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Jan 27, 2011
I have a monitoring program ( GIT link to sourceforge ) which I'm trying to use to track when a child exits/dies/whatever. I'm calling fork(), then close for 0,1,2, and then opening /dev/null, monitored.stdout, and monitored.stderr as a replacement. I'm not sure if I've done something incorrect (perhaps I should use dup2 for explicit assignment?) but it appears that printf() messages are just being blackholed. I've tried setting the line buffering as a last ditch effort. On a different system, using code similar to the spawn_monitor() function, this appears to work fine, which makes me think I'm relying on some implementation specific detail.
Relevant function, for those who don't click links:
Code:
26 int spawn_monitored(char *argv[])
27 {
28 int exit = 0;
29 pid_t child;
30 const struct rlimit inf = {
[code].....
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May 23, 2011
I'm using Dell Latitude D620 notebook,with Squeeze amd64.This is the output of lspci:
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated
[code]....
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Jun 2, 2010
I switched to zsh, but I dislike the completion. If I have 20 files, each with a shared prefix, on pressing tab, zsh will fully complete the first file, then continue going through the list with each press of tab. If I want one near the end, I would have to press tab many times.
In bash, this was simple - press tab and I would get the prefix. If I continued typing (and pressing tab), bash would complete as far as it could be certain of. I find this behavior to be much more intuitive but prefer the other features of zsh to bash.
Is there a way to get this style of completion? Google suggested setopt bash_autolist, but this had no effect for me (and no error message was printed upon starting my shell).
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Dec 15, 2010
In my corporate environment, I'm required to run a Windows machine that acquires a VNC session on a machine in the server farm. My windows machine is dual head with different resolution monitors ( 1600x1080 on left and 1920x1200 on right). If I create a VNC session that spans the monitors, then maximizing a window in the VNC session causes it to stretch across both my monitors.
Instead, I want a "maximize" event to behave like it does on my windows machine -- I only want to maximize to the display that the window is on.
How can I define what, what I'll call, "maximize regions"? Regions in the VNC graphical plane where when I click "maximize", the window only expands to the region it currently ( and mostly) resides in.
Can I do this in gnome, X, xrandr, or some other magical interface?
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Apr 30, 2011
I just installed ubuntu 11.04 last night. I noticed most of my effects were missing so I tried to put them back on. This didn't work so I disabled the effects. Then, my panel at the top and the Launcher is missing. .How do I get these back?
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Dec 1, 2014
I have an asus pc, and its network hardware is not recognized by debian, the drivers are not even in the list provided during the installation process. I managed to download them from another pc, but if i try to make them and install them, i'm stucked because Make is not installed on debian (nor is sudo).So i need a connection to install the drivers that provide me a co0nnections..
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Sep 1, 2011
I am following [URL] to install ubuntu on my beagleboard via Ubuntu 10.10 on liveCD. When I enter this command in terminal.
"sudo ./setup_sdcard.sh --mmc /dev/sdX --uboot beagle"
It gives me a error sayings Dependencies are missing.
"Missing pv.Your System is Missing some dependencies
Ubuntu/Debian: sudo apt-get install uboot-mkimage wget pv dosfstools btrfs-tools parted"
And when I enter the that above in terminal I get the following error.
Unable to locate PV.
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Jul 16, 2010
How to properly integrate these RPMs into our system?
Option 1: we could take those missing OS RPMs and install them?
Option 2: can we package the missing files from missing OS RPMs into the existing Linux-xxx.rpm?
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Aug 18, 2011
i just install lubuntu and everything is work but it can`t` see my usb flash disks , usb ports is working because when i plug there my mouse it begin to work
is any solution?
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Jan 18, 2010
log in ubuntu (i use Ubuntu v9.04) , and i go to Places->Computer, but i can't access to my local disks?A notice of error is:Code:Could not display "computer":Nautilus cannot handle "computer" locationsWhat's this error? How to fix it or only reinstall Ubuntu?And i have another question: How to install GTK+ , i want to find GTK+ deb file, but i can't. I install GTK+ by compile source code, but when i compile, in my ubuntu don't find package ATK,cairo.... But i don't know exact what's ATK, cairo. I can't find it.
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Feb 7, 2010
I'm browsing on my phone which is not letting me scroll to the end of this text box so I will say thank you in advance for any replies now.After my computer was switched off abruptly after a power outage I have many errors upon booting. My hard drive setup consists of a RAID0 array of two 500GB sata disks. The partition table (from my head!) goes like this:50GB NTFS Windows XP /c/50GB ext4 Ubuntu 9.10 /4GB swapThe rest is a large NTFS partition all the way up to the end of the array at 987GB. Mounted at /media/share/I am thinking I will have to start again (I won't lose much, I have recent backups), but what is the best way of restoring the system as much as I can? Currently my computer has been booted into Ubuntu for over an hour, and after pressing ctrl+alt+shift+F2 I can see that it is finding errors still, now at sector 6008. Should I let this run its course or REISUB it and boot onto a live CD. I think the main problem is with an NTFS partition
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May 15, 2010
Ever since my upgrade from 9.10 to 10.4, every time I reboot the system it does a full disk check. /var/log/boot.log tells me that fsck thinks that the file systems contain errors or that it wasn't cleanly unmounted. And yet, it doesn't seem to actually find errors, and a clean reboot starts another check (again with it thinking something is dirty). I dual-boot with Windows, and reboot from there with the same problem.Again, all of this is new with 10.4 and was not happening with 9.10.Is there a way to find out when/how/why the disks are not being unmounted cleanly?
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Aug 31, 2010
On my desktop, I try to instantly put some disks into sleep using hdparm, for some tests. Though the disks are unmounted, they wake back up in seconds. How can it be? How can I track which process wakes a disk up with what operation? I think unmount disks should default to standby during system load.
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Dec 30, 2010
I just bought a 3TB drive to use for backups and I'm getting a strange message when I run fdisk to get a listing of the drives.Here's what fdisk says about the 3TB drive:
Code:
Disk /dev/sde: 3000.6 GB, 3000592977920 bytes
255 heads, 63 sectors/track, 45600 cylinders
[code]....
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Jan 30, 2011
I'm having two hard disks in my pc. I can easily access both of them from my windows. But in case of ubuntu i can access only that hard disk on which ubuntu is installed. The other hard disk can not be accessed from ubuntu.
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Mar 25, 2011
Anyone know of a free mounter I can use with Ubuntu 10.10 for putting OSs on disks?
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Apr 9, 2011
I am attempting to install ubuntu 10.10-alternate-i386 that was burned on a cd.
Motherboard: SOYO SY-K7ADA v1.0-2AA1
Main Processor: AMD Athlon 1700+
Primary Master: WDC WD800AAJB-00J3A0 0.103E01
The HDD is brand new and hasn't been formated, partitioned, or previously had any other OS on it. The HDD is recognized in the BIOS.A list of possible drivers are listed in which don't match, except for two, but they don't lead to anywhere beneficial in order to complete the installation process.At this point, I have no idea how I must proceed.
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