Ubuntu :: Mount Partitions "raid Autodetect"?
Jan 11, 2011
I have an Iomega Home Media Network Drive (small, cheap, NAS) [URL] Recently the controller died and it will no longer connect to my network. Before I take it to our local electronics recycler, I'd like to recover the data from the drive. I removed the bare drive from the NAS and plugged it into my Ubuntu 10.10 PC. I see the following:
[Code]....
I believe the sdb2 is the data partition I want to mount, but it appears to be part of a RAID array. The NAS only contains one drive, so is sdb1 the other part of the RAID array? If I look in the system partition of the drive I see in /etc/fstab: # line needed for quotas, noauto makes mount -a skip it so nasmon can mount it correctly /dev/sda2/nethdd/mkswxfsdefaults,noauto0 0
But I have never heard of type "mkswxfs", nor has googling returned any information. I assume I need to create a RAID array out of sdb1 and sdb2 but I am new to this. Also, on the system partition:
[Code]...
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Aug 24, 2010
First of all: it's been more than 12 years ago since I worked with Linux, and a lot has changed in the meantime. But I considered it a challenge to install Ubuntu 9.10 and lateron upgraded to 10.04 LTS without any troubles, until now:
Except my main partition ("/") all other partitions fail to mount. All NTFS partitions from my other OS and also 2 other linux ext4 partitions I've made are not accessible anymore. and, what bothers me the most: I deleted those 2 new linux partitions in the meantime because I couldn't access them initially because Root was the owner (Duh! root is standard disabled in Ubuntu, right?). After an attempt to try to automount all partitions following the help guides I got now big grey errors on my splashscreen while booting, telling that an error occured with e.g. /media/Backup because it is missing or it cannot be mounted, with 3 options below: waiting, skipping or using a command prompt to solve this. I always choose Skip for safety.
Now if I want to see the content of all my other partitions I got a popup telling me unable to mount e.g. /media/Downloads and the message included:
[Code]....
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Feb 10, 2010
I am trying to setup fstab to automatically mount my NTFS partitions. I have used various Mount managers to create the entries in fstab. The fstab seems fine, but when mounting at boot or even via Nautilus I get the error message that I do not have permission to mount the disk.
1) Can this permission be set in the fstab file? If so what is the syntax of the fstab entry?
2) If not, is there a tool i.e. GUI to set the mount permissions?
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Jun 26, 2011
actually some my windows ntfs partiitions are unable to mount at start up. the error msg is -'some of your partitions are unable to mount press 's' to skip or 'm' to manually mount.
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Oct 4, 2010
So, over the next couple of days I'm going to be building a new file server based on Ubuntu with three 2TB drives (and possibly a pair of 500GB drives I already own) in RAID 5 using mdadm. I'm under the impression that I would be able to add the 500GB drives using mdadm; while all drives need to be of the same capacity for hardware RAIDs, software RAIDs are able to work with different-sized volumes. Is this correct?
i right in thinking that mdadm presents the RAID as a drive which can then be used like a single drive would be? create a logical partition within the RAID formatted with HFS+ which can be used for network-based Time Machine backups for a few Macs in my house.Now, this is where I particularly show my ignorant side: is it possible to create a logical partition with a variable size? Similar to how a virtual hard drive works with some virtual machines; a "drive" may take up to 200GB, for example, but is only as large as the amount of data it stores. If it is possible, is this only for certain partition formats?
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May 11, 2010
I make a app (in C language) that need to autodetect new flash drives that are plugged in USB ports. I need to mount that drive and launch a app from the pen drive. I can't find any code (any libs) that automaticaly detect new pen drives. Here are any ideeas? Currently I use /proc/partitions (I load in memory a structure at startup...and at every 5 seconds I compare the data from memory with /proc/partitios)
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Dec 9, 2010
In the control centre under multi media selector for configuring GStreamer it has Autodetect and two other setting, X Window System (No Xv) and X Window System (X11/XShm/Xv) etc. When I test the X Window System (No Xv) the test card in full screen is far better then autodetect, should I keep this setting, the reason I ask is I can't notice the difference when watching video.
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Sep 27, 2010
I have been trying to upgrade my server to Ubuntu 10.04 since it has come out, but I hit a roadblock with my hardware RAID I have two JBODs that work perfectly in Ubuntu 9.10 x64 - but show as seperate, unformatted partitions (one per hdd) in Ubuntu 10.04 x64. Here's the relevant portion of my fstab:
UUID="1fac4a2c-6a2e-4278-bab4-c7179c8720ee" /media/Motherload ext4 exec,auto,async,rw 0 2 #4TB-ext4-/dev/mapper/pdc_cabedbfaef1
UUID="31f1f023-e6a0-4b5e-b9d9-0a46011e7fa0" /media/Fry ext4 exec,auto,async,rw 0 2 #3TB-
[code]....
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Mar 21, 2011
I have 2x 1.5TB hard disks and I'm going to buy a new 2TB drive soon. First though I just wanted to check that I could partition off the first 1/4 to 1/3 of the 2TB drive (leaving 1.5TB or more free) and install Debian to that part, then use the remainder of the disk in combination with the 2x 1.5 TB drives in RAID 5? i.e. can you mix whole drives and with partitions from other drives in RAID 5 and/or is it best to just stick with complete drives for the RAID array?I only have room for 3 drives in the small mATX case that houses my NAS device and I want to maximise storage capacity and minimise expense.
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Aug 7, 2009
I have three hard drives in my computer That I want to make RAID 0. All of them already have partitions and data on them. What I want to know is if I can, without losing data, add the disks to RAID and then merge the partitions? All the partitions are of the same type. Or would it easier/better/possible to do this with LVM? Even if I'd have to shrink partitions and copy data to a new LVM one to get it set up properly, would it be better than RAID 0?
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Aug 17, 2010
I use slackware 13.1 and I want to create a RAID level 5 with 3 disks. Should I use entire device or a partition? What the advantages and disadvantages of each case? If a use the entire device, should I create any partition on it or leave all space as free?
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Aug 24, 2009
Googling tells you how to resize RAID partitions but not how to resize the underlying disk partitions. In my particular case, I initially sized a RAID array way too large - and when I added another disk to the array, I decided I was wasting too much space.I shrunk the file system, then "grew" the array (/dev/md2) to the smaller size, and resized the file system again to fit. However the actual disk partitions (/dev/sda2, /dev/sdb2, etc.) are still the original size - they are just mostly unused space.As I understand it, the superblocks are at the end of the partition. I believe this means the end of space used by the array on each device, so that the superblock moved to a lower block number when I shrunk the array. However it also means that I need to get the new physical partition size correct to avoid clobbering the superblock.
Is there an easy way to get any partition editor to shrink the physical partitions to the new array size?If not, is the superblock included in the space allocated to the array so that the next partition can start in the very next block, or is it added after the array so I'd need to allow some space for it?
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Feb 4, 2010
I am trying to setup a H/W RAID-1 matrix but I am unsuccessful. I am trying to get partitions installed as /dev/md0, /dev/md1 but it keeps going for /dev/mapper/isw...The reason is that I have R1Soft backup and it needs to hook the partitions as seen in /proc/partitions from /dev not /dev/mapper/isw. I have tried to boot the installation with various options but nothing!
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May 23, 2011
I need to set up a RAID 1 array on Squeeze. I have 3 partitions: sda1 is root, sda5 is home, and sda6 is swap. (sda2 is the extended partition containing home and swap. This was a clean installation, so I don't know what happened to sda3 and sda4...)
All the information that I've been able to find recommends doing something like this:
mdadm --create --verbose /dev/md0 --level=mirror --raid-devices=2 /dev/sdb1 /dev/sdc1
Do I need to type a separate command for each partition, or is there a better way to do it? Also, should I use the UUID instead of the dev names?
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Jul 27, 2010
We have a server with RAID 0 with 4 hard disks on it each 250 GB. Linux kernel must find one hard disk named: /dev/sda with 1TB capacity. right? And also we have 2 partitions on sda: sda1 and sda2. We want to add another partition but we don't have enough space.
Now the problem:
If we add another hard disk and run
Code:
fdisk -l
Will the /dev/sda space incremented automatically so we can add new partitions or we must do something?
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Sep 2, 2010
I was just playing with Fedora 13 and found that when I try to watch any AVI file it searches all required Codecs from RPM Fusion repository and install it. I was just wondering if this can be done on the openSUSE because what I know about Fedora is, it doesn't customize the products and uses as it is. If someone know how to enable such Autodetecting in Totem.
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Apr 24, 2011
Its from a Synology Box with 3 disks, which one is damaged. But this disk wasnt in use.Take a look on the raid-size of 493 GB - and the both available disks with 250GB..)
On the others there were a linear raid. during this damaged disk the synology-device tells me, that the volume was crashed.But it look like, that this disk was not mounted into this volume.Quote:
DiskStation> mdadm --detail /dev/md2
/dev/md2:
Version : 00.90
[code]....
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Feb 8, 2011
i have a fedora 11 server which can't access the ext4 partitions on lvm logical volumes on a raid array during boot-up. the problem manifested itself after a failed preupgrade to fedora 12; however, i think the attempt at upgrading to fc12 might not have anything to do with the problem, since i last rebooted the server over 250 days ago (sometime soon after the last fedora 11 kernel update). prior to the last reboot, i had successfully rebooted many times (usually after kernel updates) without any problems. i'm pretty sure the fc12 upgrade attempt didn't touch any of the existing files, since it hung on the dependency checking of the fc12 packages. when i try to reboot into my existing fedora 11 installation, though, i get the following screen: (click for full size) a description of the server filesystem (partitions may be different sizes now due to the growing of logical volumes):
Code:
- 250GB system drive
250MB/dev/sdh1/bootext3
lvm partition rest of driveVolGroup_System
10240VolGroup_System-LogVol_root/ext4
[code]....
except he's talking about fake raid and dmraid, whereas my raid is linux software raid using mdadm. this machine is a headless server which acts as my home file, mail, and web server. it also runs mythtv with four hd tuners. i connect remotely to the server using nx or vnc to run applications directly on the server. i also run an xp professional desktop in a qemu virtual machine on the server for times when i need to use windows. so needless to say, it's a major inconvenience to have the machine down.
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Jan 8, 2010
Is there any way to specify what partitions of my USB Hard drive automount? There's really only one I want mounted automatically, and I've made three partitions. I'd like it so the one mounts, but the other 2 don't. Possible?
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May 19, 2010
I have a shared NTFS partition ("shared") that I use for data for both Windows and Ubuntu.How can I mount the music folder on shared to $Home/Music, and the Videos folder on shared to $Home/Videos? I want to mount the different folders on the partition to different folders in home.
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Jun 16, 2010
I'm experimenting with Xubuntu on a live CD and would like to access my Ubuntu files located on sda2. I don't see the icons in Thunar to I can mount other file systems. Is there a way?
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Feb 7, 2011
I have ubuntu installed on 2 hdd. one of my hdd is having a lvm. I am unable to acess the home partition created in this lvm from my other hdd. in fact it is not shown at all inside the explorer window, the whole lvm block itself. if u run disk utility that also does not show the lvm partitions as mounted. So what are the steps required to be done to access those LVM partition from the other disk.
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Jan 9, 2010
I have 4 partitions. One is Ext4 for Karmic, one is NTFS for WinXP, and the other two are Ext4 where I keep all my stuff.When I boot into Karmic and open Nautilus, none of the last three are auto mounted. When I click on one of them, instead of a window popping out asking me for a sudo password, I get a message as shown below.f I try to mount via sudo in terminal it works, but the files for me are then all read-only. Again, if I open Nautilus as root, all works fine.What I want is the following:- for all 3 partitions to automount on startup;- for all 3 partitions to be owned by me and not by root.I tried editing /etc/fstab, but to no avail. Neither did running "chown" help.
/etc/fstab:
# /etc/fstab: static file system information.
#
[code]....
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Jan 9, 2010
I just installed kubuntu 9.10 and noticed that several partitions (fat32 and ntfs) are mounted automatically after I login. I searched /etc/fstab but found no entries for those partitions. So I guess there may be something like start-up scripts that automatically detect and mount all partitions on the hard disk at boot/login. Does anybody know the location of those scripts (if any)? I want to disable that auto mount.
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Feb 21, 2010
I have 9.10 and notice that when I look in Places none of my volumes/partitions are mounted - if I click on them I have to enter my user password to authenticate to gain access. My problem is that (with some help) I have set up rsync so it runs when I shut down my PC and backs up my Home folder from a partition on sda to a partition on sdb - this is great but sometimes it works and sometimes it doesn't.
I have done some tests and discovered that if I use my PC and never manually mount my backup sdb partition the rsync does not work (I also have GAdmin-rysnc so I can run manually backup but this also will not run if I do no mount the sdb volume). However, if I do mount the sdb backup partition and close down/restart then the backup works. What I need is my sdb backup partition to be automatically mounted every time I switch on - can this be done? I'm sure I had this working in 9.04 (auto mounting) but 9.10 seems not to like it.
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Mar 14, 2010
On my laptop I have Windows and Ubuntu, and I use Ubuntu very often. How can I auto-mount the NTFS partitions once I run my Ubuntu without the need to manually ask to mount it and confirm with the root password each time and for each partition?
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Mar 19, 2010
i want to mount at kubuntu startup some ntfs drives now, i have, on dolphin, to click the ntfs partitions to mount them and after doing that, this lines are included on /etc/mtab
/dev/sda1 /media/WD10EADS fuseblk rw,nosuid,nodev,allow_other,blksize=4096 0 0
/dev/sdc3 /media/DATOS fuseblk rw,nosuid,nodev,allow_other,blksize=4096 0 0
/dev/sde1 /media/IPOD_HD-1 fuseblk rw,nosuid,nodev,allow_other,blksize=4096 0 0
/dev/sdb1 /media/SAMSUNG401TB-1 fuseblk rw,nosuid,nodev,allow_other,blksize=4096 0 0
/dev/sdd2 /media/SEAGATE-1 fuseblk rw,nosuid,nodev,allow_other,blksize=4096 0 0
but when i add that lines to /etc/fstab and reboot, i can't access the ntfs drives. dolphin says than only "root" can mount /dev/sda1 on /media/WD10EADS (for example) i tried this too:
[Code]....
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Apr 6, 2010
I am booting off a persistent pen drive running Ubuntu 10.04. How do I tell the pen drive O/S to NOT mount any windows partitions by default? I want to keep the drive from being able to modify the windows install.
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May 4, 2010
I have U1004 dual boot with MSW7 and sometimes want to mount those NTFS partitions for mostly reading operations. Ubuntu makes it easy by a single click in Nautilus. How to change this behavior and allow mount NTFS partitions with user's password only, like sudo behavior, for example? In addition, how to mount them read-only?
Note: I mount those NTFS partitions occasionally and there is nothing in fstab about it.
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May 15, 2010
my /dev/sdb contains
2 partitions with fat 32
2 partitions with NTFS
1 partition with LINUX ext3
and a swap linux.
I did :
Code:
dd if=/dev/sdb of=image_disk_sdb.img
How can I mount those several partitions?
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