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• No other users can access external hdd since upgrade to 12.10

  - by Victor9098

  Since upgrading to Ubuntu 12.10 no other user can access the external hdd. This is awkward as its a family pc and we use the hdd to store music and save backups across the several accounts. The external hdd seems to mount just to my account now, i.e. /media/[user1]/[ext hdd], and while all the other users can see the drive mounted they can not access as they just receive a file location error. From their perspective it is mounted just in my profile and not in theirs. I have tried editing the properties of the hdd to allow others to view and create files on the hdd but that has not changed anything. I have also read that this is a new feature to Ubuntu 12.10, the way it mounts via /media/[user]/. So is there a way to have it mount to all the other user accounts too? Thanks!

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• Partitioning a 128GB SSD and 500GB HDD

  - by Gladen

  So I have a 128GB SSD and 500GB HDD. I want to reïnstall my laptop and put Ubuntu 12.10 on this setup. I already looked around on the internet and came up with this partitioning schema: about 2GB of swap on the SSD (I got 4GB of RAM in my laptop) / using the rest of that space /home on the HDD So I was wondering, are there any better schemes or extra partitions that I should consider putting on a particular drive? Thanks in advance! :)

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• WUBI installation can no longer boot, UUID disk not found

  - by Joel Heenan

  Yesterday my Wubi/Vista installation was working fine. I shut it down at the train station, all good then when I attempted to boot ubuntu at home I got a message saying the UUID for root could not be found. By booting with the Ubuntu live CD I found that the C:\ubuntu\disks folder stat structure was broken, reported as "??? ??? ??" kinda thing. I booted into Windows, scheduled a CHKDSK, ran that on boot which found some errors and rebooted. Still no dice. I am not stressed because it appears my home directory is still there with all my content so I don't mind re-installing the OS (probably will clean it up some). What is the best path from here to repair the WUBI installation? Is there anything else I should do to repair it? I'm looking at whether the drive is dying now to work out why this occured. Possibly I moved the laptop before shutdown had completed.

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• No keyboard after suspend, even after hard reset

  - by subatomics

  all. While I was using a Ubuntu 9.1 live CD, I put the computer (Toshiba Satellite C655) into standby. After I resumed, the keyboard stopped functioning, though the mouse (USB) still worked. I decided to turn off the computer, but after Ubuntu shuts down, it asks you to press "enter" to actually turn the machine off. The keyboard was still dead, so I all I could do was use the on/off switch to power down the computer. Now, when I try to boot the computer, nothing happens. Before this problem, I would see a menu asking me to select an OS (I had Windows 7 and Windows XP installed). I cannot use any emergency measures because I need to press F12 to boot from a CD, and the keyboard is still not working. I tried removing the HD to force a boot from the CD, but it didn't work. I also tried to plug in a USB keyboard, which failed as well. Right now, I have no idea how to fix this. Any ideas? Thanks.

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• Slow writing HDD speed, Ubuntu 12.04 64-bit, Thinkpad T520i

  - by pyc

  It seems that (but I'm not completely sure), that when I'm copying files from gigabit network to HDD, I can't use full potential of the network which in my case is about 60 MB/s, because HDD writing is so slow like lower than 10 MB/s, and also it's slowing down the whole system which becomes pretty much unresponsive, almost impossible to work with. Copying files to samba share residing at Ubuntu machine, connected to share from Windows 7, I'm completely sure my network equipment is OK, and there's no CPU intensive process on Ubuntu except smbd getting about 10-20% from time to time which I think is OK. Something here is burried deep I think, maybe even in kernel. Already tried to switch from AHCI to compatibility mode, and turning acpi on and off - nothing helped. So it's like HDD buffer is full and emptying slowly while machine is sluggish, load is about 3 to 4. Somebody experienced the similar problems? Some help on troubleshooting process and identifying the cause would be helpful too :) Thanks!

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• Cannot copy anything onto WD Elements 1TB External USB HDD

  - by Aashish Vaghela

  I have a Western Digital 1023 Elements 1TB External USB HDD. Recently, it has started an unusual problem. I cannot copy any file of any size on to that 1TB hard-drive, eventhough it has more than 400 GB free (out of 931GB actual size). I tried copying movies from one friends laptop, which did not work. I also tried another desktop to copy some study material e-books (in PDF), which also did not work. I get same CRC error when I try to copy anything from a computer's hard-drive onto this WD 1TB hard-drive. Vice-versa it's working. I mean, I can copy any file from the USB HDD onto local machine's HDD on any computer. It's like one-way traffic. This HDD is only 1 year old. What are my options ? Any suggestions ? Regards, Aashish.V

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• Can't install Ubuntu using Wubi on a Windows dynamic disk [closed]

  - by Tharindu

  Possible Duplicate: I can't able to install ubuntu alongside with Win7 ..: When I try to install ubuntu 12.04 - 64 bit alongside win 7 prof. 64 bit it generated the following error. How could I proceed without having this? I - An error occurred: Error executing command command= C:\Windows\sysnative\bcdedt.exe /set {1 bO4672f-5969-11)-a75c-d3d3Od877b8O} device partition= F: retval=1 stderr=An error has occurred setting the element data. The request is not supported. stdout For more information, please see the log file c\users\dell\appdata\local\temp\wubi-12.04

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• Win Server 2008 R2 SP1 Repair Disk

  - by Horst Walter

  Is there nothing like "creating a repair disk" for Win Server 2008 R2 SP1. Or am I just missing it? Under Win7 I do just enter "Repair" and it finds "create a repair disk". Sorry - but I am not a professional Admin. Just using the server for my development environment. If there is no repair disk, is there something similar or something I should create in case I do have a system failure? Sure, a full backup is done, but anything else?

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• Resize hard drive partition to make more space for /var

  - by user3357381

  I am running out of space in the /var partition. I have plenty of space in my /home partition. How do I shrink the /home partition to make more space for the /var partition? I have read some blogs that say to use the GParted Live CD. As a new user, I'm not quite sure if this is the ideal route. What is the best way to create more space for /var ? Output of df -h : Filesystem Size Used Avail Use% Mounted on /dev/sda2 19G 7.1G 11G 41% / none 4.0K 0 4.0K 0% /sys/fs/cgroup udev 7.9G 8.0K 7.9G 1% /dev tmpfs 1.6G 1.5M 1.6G 1% /run none 5.0M 0 5.0M 0% /run/lock none 7.9G 624K 7.9G 1% /run/shm none 100M 60K 100M 1% /run/user /dev/sda4 454M 75M 352M 18% /boot /dev/sda5 2.3G 2.1G 36M 99% /var /dev/sda3 178G 1.3G 168G 1% /home /dev/sda6 2.8G 5.8M 2.6G 1% /tmp /dev/sdb1 3.7T 401G 3.3T 11% /hdd

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• Odd issue,Wubi Installation won't boot, when another ext4 drive is plugged?

  - by Uri Herrera

  It's an odd issue, i installed Ubuntu 11.04 trough Wubi yesterday,it actually worked unlike the last time i tried to when it didn't boot at all. But there is one thing that bugs me, see, i have 2 HDD's ,a 320GB one with Windows 7, and the other, a 500GB HDD with Ubuntu 10.10. I have partitioned the 500GB HDD, and contains a NTFS partition, and a EXT4 plus the Swap partitions. The 320GB is not partitioned, as it only has Windows 7. Since i installed Wubi on Windows 7, when i have my Ubuntu drive connected, Wubi won't boot the installation, giving me a "no wubdir" error. However, if i phisically unplug the Ubuntu drive, then Wubi boots just fine. So, how is the Ubuntu drive interfering with Wubi, to the extent of Wubi not even working when the drive is plugged?.

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• iTunes + External Hard Drive problem

  - by Samwho

  Okay, so I've always stored my music on my external hard drive and run it from there with iTunes. Recently, however, it's being a little awkward. I think it was because I accidentally tried to run a song off my hard drive when it wasn't plugged in and, as would be expected, it said it couldn't find it. So I plug the hard drive in, locate the file and off it goes. But now it won't find any of the files... When I go to the "Get Info" page on the right click menu on a song I notice it has prepended file://localhost/ to everything, so my paths look like this: "file://localhost/E:/Sam/Media/Music/[song name]" I went into the iTunes Music Library.xml file and did a search and replace for file://localhost/ and replaced it with nothing and tried opening iTunes again and it just added file://localhost/ to every file again! Anyone have any idea why it does this and how to fix it without reimporting my library?

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• Is it reasonable to make a RAID-1 array with a ram disk and a physical disk to maximize read performance and protect data?

  - by Petr Pudlák

  In one of the answers on SO (I forgot which one) I've seen a suggestion to make a RAID-1 array composed of a RAM disk and a physical partition. By adding the physical partition with --write-mostly and enabling --write-behind the system should read everything instantly from the RAM disk but still save all data to the physical partition so that the data are preserved and the RAID array can be assembled again after reboot. Is such a setup reasonable? Will it perform any better in some scenario than having just the physical partition and perhaps tweaking the kernel to favor disk cache (swappiness and vfs_cache_pressure)?

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• Mounting hard-drive on boot

  - by Kicsi Mano

  I had 2 HDD, today I bought a new one, I would like to mount this HDD at boot, it's working, but the new HDD mounted under robu not root, why? Content of the fstab: UUID=8e492a04-c05d-4861-b996-a36ebbaf3d43 /media/WESYS_RAID ext4 rw 0 0 UUID=12C81F25C81F071F /media/WESYS_DATA ntfs defaults,iocharset=utf8 0 0 /dev/mapper/WeSyS_LVM /media/WESYS_LVM ext4 rw 0 0 This is the rights. drwxrwxrwx 1 root root 4096 2012-04-05 11:51 WESYS_DATA drwxr-xr-x 9 root root 4096 2012-03-01 10:11 WESYS_LVM drwx------ 3 robu robu 4096 2012-04-10 12:33 WESYS_RAID

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• Tools for tracking disk usage

  - by Carey

  I manage a number of linux fileservers. These all run applications written from 0-10 years ago. As sometimes happens, a machine will come close to, or run out of disk space. Reasons include applications not rotating log files, a machine with 500GB of disk producing 150GB of new files every month that were not written to tape, databases gradually increasing in size, people doing silly things...generally a bit of chaos. Anyway, when a machine unexpectedly goes from 50% to 100% full in a couple of hours, I figure out what broke (lots of "du") and delete files or contact someone. I also can look at cacti graphs to figure out what the machine's normal disk usage is (e.g. for /home). Does anyone know of any tools that will give finer grained information on historial usage than a cacti/RRD graph? Like "/home/abc/xyz increased 50GB in the last day".

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• Do you lose everything when you have a hard disk failure in a multi-hard disk LVM that does NOT use RAID?

  - by user72630

  I'm debating about using LVM for a media/file server because I would like to combine multiple physical hard disks into one volume. I do not wish to use any RAID in my LVM so my question is: If one of the multiple hard disks in my volume were to go down would I lose all my data or would I just lose the data that was stored on that individual disk? Also, if I were to just lose the data on the individual disk, would it be as simple as replacing that disk and restoring what was on it from a backup to recover? Thanks everyone.

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• How to eliminate an old Ubuntu partition?

  - by GUI Junkie

  I installed Ubuntu 12.04 64-bit side by side with my previous 11.10 32-bit. As everything is working correctly, I want to eliminate the old partition. According to update-grub: Found Ubuntu 11.10 (11.10) on /dev/sda1 But according to GParted, /dev/sda1 is the boot partition! So, how can I discover which partition should be the boot partition for 12.04? Can I safely eliminate the /dev/sda1? Also, GParted gives /dev/sda5 as file system unknown, it's 2.93Gib and might be the swap partition (just guessing).

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• Search Engine Traffic Isn't As Hard As You Might Think

  A lot of people think that since they don't get a lot of traffic in their site, they think that it's useless and hence they give up. Your search engine rankings will differ according to the amount of traffic you get. So getting traffic is the first thing you need to do.

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• cant recognize the path of hard drive which is not a part of an array

  - by Abhishek

  hi there, I have a problem on my server as below.. On my server i configured a raid array of 3 hard disks, in my c drive their is a web applications running on Apache Tomcat server. Now because of shortage of storage i entered a new hard disk to the server which is not a part of that raid array. Now through my web application i upload some images to new hard drive and file uploaded successfully but when through that same application, i try to retrieve those images and show on a web site i does not recognize that and dose not give any error. i try to access that drive with absolute path but it not works. Can any one help me to find the solution of this problem? Thank You in advance.

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• external usb hard drive is not being seen anymore

  - by incrediblehulk

  I think my problem is a little different than several other similar titled questions. Everything started while I was using 10.10. External drive was always recognized and mounted, but the timing of this differed. I mean when I booted, the OS sometimes saw the drive immediately, sometimes after a few minutes, sometimes after hours. Although this was annoying, I tolerated this somehow. Then this problem persisted after I upgraded to 11.04 with a clean install. Afterwards, the drive became totally invisible to the OS. It is not even detected as an usb device anymore. However, there is one thing I can do to make it seen. If I boot to another operating system which can detect the drive, and then boot back to ubuntu, everything is perfect. but this is of course very impractical. To summarize, the usb drive is recognized by ubuntu if and only if another OS in the same computer could recognize it first. I should also say I have not had any problems with the same drive in any other OS or a different computer. My drive is philips with a hitachi hdd inside, has its own power source and any other usb powered drives have never caused this kind of a problem. I've tried almost all recommendations in similar topics but none of them seems to be related to this one. What can I possibly do to fix this?

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• Ubuntu made my second HDD disappear from the BIOS!

  - by RWLarsen

  My netbook, an ASUS 1015PX, shipped with two harddrives. After switching to Ubuntu, the second drive isn't recognized by the OS or the BIOS. I've never formatted the second drive, so it's still set up for use by Windows. I guess I don't care about the data on the drive, I'd just like to be able to use it again. It's probably also worth mentioning that I'm very new to any form of Linux, so I'm remarkably new to the Terminal.

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• Occasional HDD Related Hangs

  - by diolemo

  I have an issue that seems to be disk related. Occasionally my system will block for 30 or so seconds and is mostly unresponsive. Those things already in memory requiring no disk access continue to function but those things requiring disk access (even small) hang. 30 seconds later everything is back to normal. I have 2 Samsung drives in RAID 0. I have 1 WD drive (has pagefile) I have an SSD used for caching (Intel Smart Response). This is a new install of Windows and the drives were fine in my old PC (~1 month ago). Has anyone experienced anything similar? Any suggestions to solve this one? Thanks in advance.

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• Will installing an Ultra ATA cable backwards affect performance?

  - by GMMan

  I've recently purchased a hard drive upgrade for my Xbox 320GB WD Caviar Blue WD3200AAJB and StarTech.com Ultra ATA/66/100/133 cable IDE66 yes I'm crazy When it came to installing the cable, it was too short (my fault), and there wasn't enough space between the master and slave ends to reach both the DVD drive and the hard drive. The only thing I could do was install the cable backwards and twisting it quite a bit to make it fit. The upgrade works, but reading the manual for the hard drive I replaced (10GB Seagate U Series 5), apparently there is a specific way you have to connect the cable. I don't have that option, so the question comes down to, will my drive performance be at Ultra ATA levels, or is it still performing at original ATA speeds? Is there any way I can test this (benchmarking software for Xbox)?

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• How to extend a partition in Windows 2000 Server

  - by user999684

  I have a Windows 2000 Server set up with RAID 5. I initially defined 2 136 GB logical disks 0 and 1. I have a small utility partition on disk 0 along with the C drive. I wish to extend the C drive to use disk 1 as well, which is now configured to drive D. I deleted drive D, but it is still in disk 1. I download partdisk.exe from MS, but am not sure how to accomplish what I want to do. I know I need to use extend, but I think I need to remove disk 1 and somehow add the unallocated space to disk zero, but am not at all confident on how to do it.

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• Ubuntu 11.10 USB 3.0 HDD

  - by Chazm

  I have a problem with my external HDD (WD My Book Essential 1TB) working on USB 3.0 port. I'm using dual boot setup with Windows 7 and Ubuntu 11.10, both 64 bit. While I'm running Windows and rebooting back to Windows everything works well. When I'm switchin to ubuntu everything works great as well. But after 1st reboot from ubuntu neither windows nor ubuntu mount the external drive. I have to reboot the device manually. I suspect that the problem is with unmounting the device on shutdown on ubuntu. The case concern only usb 3.0. When i plug the same device into usb 2 port the problem doesn't persist. Does any1 hit the same problem or have a clue what might goin wrong?

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• Hitching and Slowness Due to HDD Activity on Ubuntu, But Not Windows?

  - by Espionage724

  It's been bothering me for months now, but I've noticed in Ubuntu (or any distro of Linux I've tried), any major I/O activity will cause hitching and general slowness. For example, if I try doing a file transfer from my network computer to the computer I'm using and try moving the mouse after a while, it might not respond for a second or so. Similar incidents occur in other cases too (right-clicking to get a context menu takes a few seconds, hitting the drop-down application bar takes a while, etc). My HDD isn't top-notch (a WD Blue 500GB 7200RPM drive) but I don't recall it being nearly this bad in Windows 7, 8, or 8.1. CPU activity during file transfers is relatively low (less than 10-20% on all cores of a Phenom II X4 @ 3.3Ghz). I'm using Gnome System Monitor (on Xubuntu) and can't seem to see what kind of HDD activity is occurring though. I have 8GB of RAM too, which is moderately being used (2.5GB), but shouldn't be a problem either. Any ideas what's up? I've tried kernels between 3.8 and 3.11 (i'm using saucy currently with 3.11).

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