Fedora :: Unable To Add A Physical Drive To An Existing Filesystem?
Aug 15, 2011
I want to be able to add a physical drive to an existing filesystem, and PRESTO! That filesystem has more storage and/or redundancy. When one of the physical drives eventually fail, no problem, Ive lost some redundancy, I just have to install a new drive before another one fails.Lets assume I have 4 physical drives.*What Is This Configuration? *[URL]...But I am unclear how to get a logical volume that is mirrored and linear.
The last time I tried software RAID 1 (dm-x) under lvm, it was very fragile. Systemd could not start it,and then an update to mdadm put a stake through its heart. So I know that does not work.
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Apr 28, 2011
I'm a bit of a Linux newbie, but I did manage to set up the following RAID-5 system:1x 500GB system drive on ATA IDE4x 1TB SATA drives in software RAIDLinux = Fedora 13So here's what happened. I set up the system to send me an email every time the mdadm stat file changed, so it would send me emails when in periodically ran a self-test. I was away and noticed that the self-test was going incredibly slow (usually took 8 hours...was on course for taking 250 days!) A colleague decided to just reboot the system.Afterwards, the system would not boot and, while all 5 drives were connected, would stop at an endlessly scrolling error message of: Code: ata4.01: exception Emask 0x0 SErr 0x0 action 0x0
ata4.01: BMDMA stay 0x64
ata4.01: failed command: READ DMA
ata4.01: (a bunch of hex numbers)
[code]....
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Jun 3, 2009
will it be possible to convert existing filesystem to new ext4 while upgrading from Fedora 10?
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Jun 3, 2011
I downloaded the Fedora-15-i386-DVD.iso and want to install Fedora 15 from it. I don't want to use the LiveCD version since it doesn't have all the packages. So I follow the tutorial given here under the section titled "How to Make a bootable USB Drive to Install Fedora instead of using a physical DVD ". Everything finishes off well. However. when I boot my computer using the USB, it says "USB doesn't have operating system. Safely remove and reboot".
Now, what to do? I also didn't get the line the tutorial saying, "You should now have a bootable USB stick which will run an 15 install. When you boot the stick, you may also add askmethod to the boot line and select a hard drive install and select the drive as /dev/sdb1 (or your USB device drive) and the path should be / " What am I supposed to do?
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Mar 17, 2011
I just installed linux fedora 14 on my hp probook 4320s with installation CD with this name: Fedora-14-x86_64-Live-Desktop. Then I installed it on the hard disk. During installation I chose to encrypt hard disk. When I try to access my hard disk it says "unable to mount 250GB LVM2 Physical Volume, Not a mountable file system". What can I do to get access to my hard disk?
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Mar 2, 2011
I have installed Centos 5.5 running in VMware on my windows PC. My PC is part of a network which connects to a Linux Fileshare system. I am wanting to connect to the existing Linux fileshare from centos. The know the fileshare is NFS and I know the IP address and directory name. I attempted to connect using the 'mount' command as#mount -t nfs <server IP address>:/<directory> <local directory>An attempt was made to mount, however it is username/password protected. I have gone through the docco for 'mount' and cannot find anyway of passing <username><password> with 'mount'. Does anyone know how? Or am I using the wrong command?
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Jul 31, 2011
I have an existing Fedora 15 system installed from scratch.I've ordered a harddrive identical to my SDA and want to add it to my existing system as a RAID1 setup.I've googled around and cannot find recent clear instructions how to accomplish this. I don't want to reinstall everything from scratch. It should be possible to create the RAID1 using the existing data disk and then mirror everything up?
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Feb 10, 2010
I have Fedora 12 installed on an external harddrive (USB) and have it configured the way I want. Inside my laptop I'm working on I have a Win 7 installation. My plan is to slowly migrate to Fedora and only use Win 7 when needed, so far so good..
I shrinked the partition on the internal drive holding using Win 7's built in tools and would like to clone my USB installation to the new partition I can now create, I work a lot with Macs in my line of work and there I always use Carbon Copy Cloner to make bootable backups, works like a charm..
As far as I know CCC uses rsync which is available for Linux as well so I guess I could use that? I plan on editting the Win7 bootloader later on to make it possible to boot from the new Fedora partition.
How would I go about it? The internal drive is GUID (or is it GPT?) formatted and loosing the Win 7 installation isn't an option of course.. All I could find were commandlines to backup certain folders or entire drives but I only want to backup my partition onto a different partition..
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Jul 1, 2010
We are using Real VNC enterprise server. User will connect to the vnc server and do their work. We are facing one issue since from last week. When user is working on session, some times the session will get hung.He can't do anything on that. If he close the connection and try to connect from vnc viewer to the same vnc session it is not connecting. even it is not asking for the password. I have checked in the server the Xvnc process for the session is still running. When I tried to check the session is alive or not from telnet it is not showing that RFB 004.001.
xhdvnc2 ~]# telnet localhost 5902
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
If users are running some important tasks on that session they are not able to access. We are using RHEL 4U7 .
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Mar 24, 2010
I've had a look at some similar threads but as I'm very new to linux they're already a bit technical for me. Sorry, this calls for someone with patience. I gather from other threads that disconnecting an external drive without unmounting is a no-no, and this seems to be the likely cause. Now the disk is read only and I'm unable to change any settings through the usual control panel on ubuntu. I'm just not familiar with the terminal instructions. I tried to cut and past a few command lines from other threads but I got some warnings that proceding could damage data. Like this one: WARNING! Running e2fsck on a mounted filesystem may cause SEVERE filesystem damage.
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Jun 1, 2010
I am trying to run a cron job as an oracle user. I put the user in the cron.allow file but it still won't run. Other users are able to run a cron job though. I think it's the way the oracle user was created and I wanted to recreate it. However it owns a lot of other file systems as well as the database. Is there a way to recreate or reset the oracle account without impacting what is currently in place?
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Nov 16, 2010
I'm trying to do a fresh Fedora 14 install from usb live stick. On installation got to partition program and since I want my old /home partition I pointed the partitions as they're supposed to be and apart from /home marked all partitions to be formatted to ext4. After the format or in the end of it came up a prompt I couldn't past. The following link shows a pic of that prompt:
[URL]
What should I do to complete the install? I have partitions:
/
/home
/boot
/swap
Solution: Burned the image on CD and installed from it.
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May 18, 2011
I am very new to linux, and I have a question regarding the filesystem check (fsck). The power recently went out and when I tried to restart linux the following error appears:
*/dev/sda1 contains file system w/errors, check forced it then goes on to say..
*An error occured during the file system check. Dropping you to a shell; the system will reboot when you leave the shell. Give root password for maintenance (or type Control-D to continue) I wasn't sure what to do, but checked some other online forums and they suggested running fsck manually - so I typed in the root password - and used the command, "fsck -A -V ; echo == $? ==" it then gave the following message
*WARNING!!! Running e2fsck on a mounted filesystem may cause SEVERE filesystem damage
*Would you like to continue (y/n)
Again, I wasn't sure what to do so i just checked no. I then manually turned off the computer and was prompted at the beginning to press Alt-3. I was brought to another screen and it informed me one of the drives was degraded and suggested rebuilding the array. I tried doing this, but it still brings me back to the original error of, "/dev/sda1 contains file system w/errors, check forced," and the process continues.
Also, when I tried to rebuild the array, I didn't backup any of the data on our home directory before doing this (which was probably a big mistake). After being prompted to type the root password, I was able to give the ls command and look at all the directories...the home directory where our data was stored was empty and I am afraid I may have lost some information. Is there a possibility that data was lost when I was trying to rebuild using the old drives?
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Feb 6, 2010
Have the following partitions, I've grown md1 from 3 drives to 4 drives with mdadm. It is now the size below of 531899712 from 354599292.
[Code].....
As you can see above however, the filesystem is not growing. What am I missing. I don't believe I need to do anything with the partitions. I should just resize my array as I have and xfs_grow and be finished.
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Jun 27, 2011
I installed a 30 gig hard drive for extra storage space. It is currently using the ext2 file system. When looking at it in gparted, there is a key icon next to the drive. I would like to use this drive for storage with programs running in WINE, but can't even see the drive from there. From the normal OS, I can see and mount the drive, but can't use it for anything.
I am going to go out on a limb and guess that the key icon means it is locked somehow. How do I unlock/use this drive? Is there a command to use in the terminal, or within the Disk Utility that will do it?
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Jul 6, 2009
I cannot seem to get past the "creating File System.." window on a laptop upgrade
Setup: Thinkpad T23 (dual boot) upgrade from fc10 using DVD iso.checked with checksum and burnt by K3b.
History/actions taken:
Burnt iso to DVD and install/upgrade froze "creating File System " froze after approximately 10 minutes.
(completely froze and had to use the power button!)
Checked disk OK on laptop, tried again, same fault.
Bought another DVD.(different die) and tried again, same fault.
Tried another laptop HD, (full install not dual boot) , same fault.
Removed partitions with fdisk, but still no luck.
Tried disk on a spare HD on my PC and it works, I get into the window allowing software selection!
Tried a "Linux Format" fc 10 disk and that works, also tried a PCLinux LXF disk which also worked.
The laptop does not report any problems at bootup and I do not not what else to try
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Jun 27, 2010
My Ubuntu system drive is starting to throw up S.M.A.R.T. errors. I have two partitions on the drive (/home and /) and grub in the mbr. Is there a way to exactly clone this drive to another one so I don't need to reinstall or re-setup anything?
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Aug 3, 2011
I am using MSI X620. I just intalled ubuntu 10.04 in it. Everything is fine except my DVD drive. The dvd drive doesn't work at all! When i press eject button ..nothing happens and there is no light blinking in the drive....when i load windows it works fine though! do i need to install drivers or something?
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Oct 4, 2010
Is it possible if I am only using ext3 and no LVM or anything else to re-size the partition into another physical device? I am pretty sure the answer to this is no but I was still curious as I am facing a full 1tb disk and need to add a new drive and unsure how to do this due to shared folders existing on the old drive and no way to actually expand them without linking in new files or something.
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Jul 8, 2010
I have two old windows 95 computers. The problem is I have files and programs that have specific settings that I need. The computers are old and I want to just make a copy of the hard drive and insert it into virtual box. How can I do this?
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Jul 5, 2011
I have a 7.9 TB logical volume I've created from 8 1 TB RAID 0 devices. The volume is formatted with XFS so I can resize when ready. However, I think I want to do something that is not possible. I have 2.5 TB free on my logical volume. I'd like to shrink the volume down to be 6 TB by getting rid of 2 of the 1 TB devices in the physical volume. However pvmove seems to require free extents in order to work. Do I need to add 6 TB of storage, pvmove everything onto it, and then decommission the original 8 1 TB physical devices from the volume?
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Mar 4, 2010
I'm installing Ubuntu to be used as an NFS storage server for my VMWare ESX servers. I've got a server that has two 2TB drives in it. The hardware raid controller isn't an option because it only sees up to 1TB of each drive. So, I'm trying to figure out to do this using either LVM or Parted. I don't know much about doing this, and LVM was the first thing I tried but it didn't seem to do much. It looks like it just created a smaller partition to install Ubuntu on. It didn't ask me what I wanted to do with the rest of the drive space. I've messed around with Parted and am not sure what to do, to be honest. I found a few blog posts but most started off assuming that I knew how to get to where they were starting from.
It's just two drives, /dev/sda /dev/sdb
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Aug 17, 2010
I am currently using windows xp, but I have acquired another hard drive and wish to install ubuntu to it, unfortunately i do not have a working cd drive. I have loaded the newest iso in daemon tools and it asks me if i want to install it in windows, or restart my computer to do a full install. i wish to do neither. i want to install a full copy to my other drive with the virtual cd drive. I have found alot of help dealing with installing it on the same drive as windows or something that would require a floppy drive. this task seems like it would be alot simpler than installing on the same drive, buy maybe not. Did i miss a tutorial somewhere?
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Mar 14, 2011
I'm familiar with editing Grub's "menu.lst" file to add additional OS's to the boot list. Does Slackwares Lilo have a similar config file ? I need to add a second physical drive with Windows 7 on it to the boot options in Lilo. If it's not a config file, how do I add a second os to it ? Slack and Windows are both already installed on two different physical drives so I won't be installing, I just need to add the Windows drive to Lilo.
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Jul 10, 2011
When I installed Ubuntu, I created an 52 gb encrypted partition which shows up in the disk utility, and in the window that opens when I click on the "home folder" icon. I get my normal windows partition, and under that the 52 GB LVM2 partition. But when I try to access it, I get this error.
Unable to mount 52 GB LVM2 Physical Volume - not a mountable file system
This is what fdisk -l shows
Device Boot Start End Blocks Id System
/dev/sda1 * 1 52 409600 27 Unknown
Partition 1 does not end on cylinder boundary.
/dev/sda2 52 30452 244193280 7 HPFS/NTFS
[Code]....
How can I fix this, and be able to access that 52gb partition? This is only my second day that I work with Ubuntu, so If more information is needed then let me know
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Jan 15, 2010
i have sun Virtual box installed on my centos as my host os and centos as guest os.The ip on Sun virtual box virtual interface is10.0.2.15 and the ip on the physical machine is 192.168.1.11.when i try to ping the ip from my vps on centos to my physical machine it pings but it does't work when i try to ping my vps ip from my physical machine.Please recommend the route enteries i need to do in physical machine
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Jul 17, 2011
I have (at least 4) native USB ports that contain flash drives. I know that the /dev/sd[abcd] devices are created in the order they were inserted, but say you have all four plugged in at boot time, or further, they can be plugged and unplugged in real time. At times, /dev/sdf, /dev/sdg, etc. are created as well. I'm ignoring external hubs for now.
I need to know which drive is plugged into the "top port on the front panel", etc, by physical location. From dmesg I can check right after booting and get the physical assignment of a PCI device, say, PCI 0000:00:10.3, as being assigned to the EHCI usb bus. From /proc/bus/usb/devices, and the "T:" field, I have learned that the physical connectors I'm interested are known as USB Bus 1, Port=00, Port=01, Port=04, and Port=05.
From lsusb I can see all sorts of information from the USB point of view, but with no /dev/sd references.
From /proc/scsi/scsi, I can see what scsi devices have been created, with a count consistent with the number of flash drives plugged in, but no USB data.
So, I can get lots of information from the USB storage point of view, and lots of information from the SCSI point of view, but nowhere can I find how to correlate them. In other words, if I want to mount the drive plugged into a given physical slot, how can I find the /dev/sd device I need to mount? udev isn't really interesting here, because I'm just looking for the information that udev would use to answer the same question.
I've done some heaving exploring in the /sys and /proc filesystems and have not yet found where the USB and SCSI worlds intersect.
The closest I have found is (where "Port" is the physical port number from above):
This seems to have some mapping to the physical port and references a "/dev/sd[a-z]" value, but I don't know how reliable it might be, nor do I know if my having to increment that physical port by 1 is meaningful. Anyone have a simpler approach?
So, my goal becomes
mount /dev/<sd that was created for the top slot> /mnt/top
mount /dev/<sd that was created for the bottom slot> /mnt/bottom etc.
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Aug 27, 2010
an idea what might be wrong with fs 0x06 FAT16? I have a mobile, Sony Ericsson K750i, which was mounted in previous distributions without problems (up to 11.1). Now I use 11.2 and I am unable to mount it. I tried to do it via yast, but it says "non-existing or uknokwn file system" even it was recognized as 0x06 FAT16. I read that this fs is outdated, however still supported.
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Mar 15, 2011
I have a physical machine of CentOs-5.4 on which I had installed Xen Virtualization. I have created VMs on that machine using virt-install. After installing all the VMs i used command virt-manager to see all the installed VMs. But after I have restarted my physical machine I am unable to find installed VMs by virt-manager command. It only shows name of the machine and id a qemu and can't see any installed VMs.
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Feb 22, 2010
I have a drive that I am going to use for media storage, but i am not sure which filesystem type to choose. It was originally ext2 since it had Fedora on it once before, but I want something that is accessible (ie read/write) from a Windows system. I think as long as I share the mount via Samba or something I should not need to worry about the type of system it is.Before thinking, I chose fat32 until I remember the limitations. Since this drive will be mounted by Fedora, I believe I should stick with ext*, but I'm not sure which to choose.
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