General :: Removing The RAID From An EXT2 Partition?
Aug 11, 2009
This might be a longshot but i used to use the 4 bay NAS here Which formated the HDD JBOD array to EXT2 , Anyway i want to move to an 8 bay DAS now but i cant find an application to convert the partitions .
Partition magic says the partitions are unformatted and the partition id is set to linux raid auto . Is there any way to convert this partition to vanilla EXT2 so i can use partition magic on it ? Its a 4TB array so copying isnt possible.
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Oct 2, 2009
I had an Ubuntu desktop 9.04. While I wanted to format my second hard drive with gparted, I have selected my system HD () with all my datas (/home, ...).In fact, my error is I have selected to rebuild my partition table and now I have lost all partitions . I would like to know how to restore my datas.
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Oct 31, 2009
I had to install a new disk drive in my PC a week ago because the old drive died. The new drive is a 160 gig drive. First I installed Win XP with S/P 3 and everything was fine. Then I installed Ubuntu 8.04 and the troubles began. Ubuntu resized the Windows partition down to 8.81 gig and used the other 137.44 gig for Ubuntu. When I booted into Windows I started getting nasty little messages about "not enough disk space". SOOoooo....... I booted using the Ubuntu install CD and ran "sudo gparted" in a terminal window. I tried to resize the ext2 partition but got an unknown error.
Then I ran fixmbr in Windows to get rid of grub. Then I tried running gparted again to delete the ext2 partition. Got an error that said "can't delete the partition because it's mounted". So I tried to unmount the partition but got a message that the command "unmount" could not be found. After that I installed Partition Magic in Windows and tried that. It sees the ext2 partition but says it's unsupported when I try to delete or resize it.
I ran fdisk but it doesn't see the Linux partitions either, so I can't delete them in that program. I finally tried to format the disk but now I have a 9 gig drive with nothing on it. How do I get those Linux partitions off the drive so I will have a 160 gig drive that I can start over with? I've spent 6 days this week reinstalling XP and all of my programs, and now everything is gone because Ubuntu decided to be a disk hog.
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May 3, 2010
I was installing windows vista on my computer, so I backed up everything to a external drive which was formatted with ext2. I then proceeded to install windows vista. When I got to the partition section I tried installing windows vista to my raid 0. When it didn't work I decided that I would delete all my existing partitions and create a new one. Well in my haste I accidentally deleted my ext2 partition from my backup drive that was still connected. As soon as I realized what I had done I shutdown the windows install and disconnected my external drive. This is the current state of my drive from parted:
Model: WD 15EADS External (scsi)
Disk /dev/sdb: 1500GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
I know that the drive only had one partition before and that it took up the entire disk and it was ext2 (maybe ext3).
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Aug 26, 2010
i m not able to copy a file over 16 gigs on an EXT2 or EXT3 partition. Is there a way to do this. I even tried to split my iso file too. I splitted my iso file in 4 files then copy them on the ext2 or ext3 partition. But as soon as I was trying to join the files together it never went over 16 gigs. Actually it stops at 16,843,020 kb exactly. is there a limit for those partitions or is there an another way to see my 20gigs iso file in one piece?
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Oct 25, 2009
I need to mount my ext2 partition with write permissions for an average user. Right now, I can only write to the volume using sudo or the root account.
/etc/fstab:
Code:
# Filesystem: Mountpoint: Type: Options: Dump: FSCK:
/dev/sda1 / ext4 defaults 1 1
/dev/sda5 swap swap defaults 0 0
[code]....
can't add the options uid=500,gid=500 to the ext2 volume because it says "bad option" I have 1 question. If you have a volume listed in /etc/fstab, and you try to mount it with different options than the ones listed in fstab, will it mount with the new options, or the fstab options?(e.x. if I try to mount /dev/sda6 with: mount-o auto,user,exec,rw,async. Will it mount with async or sync?)
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Nov 3, 2009
I work with a Debian Squeeze on my laptop and I have a 160GB external hard disk. My hard disk was formatted FAT32, but I decided to format it using ext2. I formatted it using fdisk from command line and everything went well. Unfortunately, when I mount my hard drive(which is auto-mounted from Debian) it has got root both as owner and group. Then I can't write to it because I have no permission to do that. Is there a setting to create an ext2 partition which has as owner the logged system user in order to have right permission every time.
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May 27, 2010
i TOTALLY ****ed up my windows bootmgr, and, in some way, the linux partition too. I'd like to format the windows partition, but as all my info stays intact I'd like to conserve it that way. The only way I can think of, is to make a new ext2 partition on the same HDD y have windows ( I only have one HDD, so... ) and save the information there . Wich is the correct way to do so, without losing all my software and/or information??
Other details:
* Rright now, i don't have ubuntu installed on my pc ( I'm using a live cd ).
* I'm using ( or was ) win 7.
* The only partitions on my HDD is an ntfs ( 60 GB ) and an unallocated ( 240 GB )
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Oct 31, 2010
I have a usb flash drive and according to sources I found out after the fact that I should have used ext2 instead of ext4 due to the extra write operations.
Is it possible to convert the ext4 root partition to ext2 or do I need to backup, reformat, and restore?
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Mar 18, 2011
Since Mac OS X, runs a BSD Linux at the core I think that this is the correct place to ask about this, but I need cfdisk to make some ext2 and swap partitions on some Compact Flash and old HDs without needing to download any LiveCD. There is any cfdisk that I can use on my Mac?
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Oct 3, 2010
I would like to know if it is normal to experience 10MB/s data transfer rates during copying between partitions on my local hard drives (Toshiba 250GB 5400rpm SATA) while having three times faster (30MB/s) transfer rates between local partitions and USB drives (Kingston 8GB).
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Feb 18, 2011
I have created live persistent usb-hdd (fat32) image, put into USB stick, but now I should create persistent live-rw partition. How this persistent partition should be formatted? Should I format with ext2, or fat32?
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Nov 19, 2010
I had a 40G vfat drive from WIN98 and I used parted to remove the partition, then create a new partition with an ext2 filetype When in parted, and do print...
Code:
(parted) p
Model: ATA QUANTUM FIREBALL (scsi)
Disk /dev/sdd: 40.0GB
Sector size (logical/physical): 512B/512B
[code]....
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Aug 26, 2009
I am trying to partition my server before installing CentOS and cPanel.I have hardware RAID 1/10 On RAID 1 I would have
/
/boot
On RAID 10 I would have
/tmp
/usr
/var
/var/log
2 GB swap
/home
Is it correct partionining setup?What should I have on RAID 10 ?
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Feb 11, 2010
The RAID level 1 interested me because of its redundancy in both drives. And I successfully made it in a couple of partitions. But, I always did it after Linux installation. Then, I create both partitions, use 'mdadm' to create raidtab and RAID device (md0, for example) and then I format the RAID device with 'mkfs' and mount it.
Until there, it's all OK.
But my problem is to mirror ALL the hard disk, inclusive root partition. To do that, I guess I need no Linux installation, then create the RAID (md0, raidtab, etc) and after that install Linux in RAID device created.
But I'm new in Linux world and I have no idea how to do that.
I use Debian Lenny, so I need a solution that uses only the first DVD of this distribution.
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Aug 12, 2010
I've got an 8-disk raid-5 setup, and one of the disks failed. I shut the system down, replaced it, and powered the box back on again. Then, I made a catastrophic mistake; I 'failed' and removed the wrong disk (should have been sdj1, and I typed sdk1 by accident). I tried to re-add sdk1 back to the raid array, but it got listed as 'spare'. My raid array is off-line, since I now have 2 disks unavailable.
I know that the data still exists on sdk1, is there any way I can get the raid array to recognise the fact that it's a valid part of the array, and not a spare disk? At least if I can do that, I'll have a degraded but accessible array, and then I can rebuild the array on the properly replaced disk.
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Oct 29, 2010
I have two 1.5TB hard drives (neither one are my OS drives) that don't show up under "Places", but are detected under "Disk Utility". I tried to reformat them, but Ubuntu tells me that they are in use (even they are not mounted). gparted also detects them and shows them as being NTFS parition. I have deleted and repartitioned to NTFS as well. This works until I restart my computer. The funny thing is that Windows 7 sees them just fine. More detail as to how this happened below after system specs.
System:
AMD Phenom II x 4 955
ASUS M4A79XT EVO motherboard
8GB DDR3 1333
1 500GB WD SATA drive (dual boot Windows 7 & Ubuntu 10.10)
2 1TB WD SATA drives (extra storage)
2 1.5TB Seagate SATA drives (extra storage, these are the problem children)
Here's how I got here:
Installed a dual boot w/ Windows 7 and Ubuntu 10.10. Everything was fine and ALL drives showed up and were mountable in Ubuntu. I decided to set up a RAID 1 w/ my two 1.5TB drives. I restarted, changed my SATA to be RAID instead of IDE and created my RAID 1. I then realized that through this motherboard's RAID setup, I couldn't have it copy files from one disk to the other to set up the mirror. So, after I rebooted and the RAID started building, I cut the power and unplugged my drives in a desparate attempt to keep my data. I then went back into the bios and set my SATA back into IDE instead of RAID. I was able to back up my data, but this is when the problem started.
Again, Windows 7 sees and uses the drives just fine. I copied the data I wanted from my 1.5TB drives to my 1TB drives and restarted into Ubuntu. But, no 1.5TB drives appeared under Places. I started Disk Utility and confirmed that Ubuntu does actually see the drives. However, it still lists them as being part of a RAID array (I did delete my RAID array properly through the BIOS after backing up my data). I'm not sure why it thinks that and I believe that's my problem. Also, Disk Utility lists a THIRD 1.5TB drive under "USB and Peripherals". Could that be my MB telling Ubuntu that a RAID is still set up even though I deleted the RAID pair?
What I have tried:Reformatted drives via Windows 7 as NTFS. This completed but didn't solve my problem.Repartitioned the drives with gparted as NTFS. This works until I restart my computer. Attempted to reformat under Ubuntu, but it gives me an error saying the drives are busy.Reinstalled Ubuntu (but didn't reformat). Didn't work. What I'm thinking:Flash my BIOS so my MB starts out fresh and hopefully doesn't tell Ubuntu I have a RAID anymore. Reinstall Ubuntu again (this time reformatting my OS drive).
Anyone have ideas as to what's going on? FYI I'm new to Ubuntu.
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Jul 7, 2011
I need to copy data from a single HD, which used to be part of a Linux RAID 1. I've googled around, but can't find any clue how to mount partitions from this single HD.
Background: The HD comes from a linux based NAS box Synology DS207+. The NAS uses ext3 as filesystem. Both NAS disks are fine, but the other NAS hardware is dead and not worth repairing or replacing.
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Jun 29, 2011
I've set up a RAID-1 array /dev/md0 consisting of two partitions /dev/sda5 and /dev/sdb5.The partition /dev/sda5 was formatted "ext2" before mirroring, but now when I "mount -v /dev/md0 /mnt", it says "/dev/md0 on /mnt type ext3 (rw)".Why is the type changed from "ext2" to "ext3" ?
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Mar 15, 2011
I have already set up, with disc partitioning software (Acronis) , a ext2 partition and a swap space. I have two hard disc drives arranged in a raid 0.
When I try the Debian network install, I am asked to create a partition. The only option that I am given is to partition the whole disc. I most certainly do not want to do this because of all of the information and programs that I have on the other partitions.
I remember from the past that we used to use "Fdisk" to manually partition drives. I was not able to invoke it.
So, the basic question is, how do I direct the install to a partition that is already formatted?
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Nov 28, 2010
I have only Ubuntu 10.10 on my system. I made a separate partition for /boot folder (/dev/sda1/) which is 100 MB in size. Now I want to install windows 7 on my computer, I wish to convert this partition to the system reserved partition in windows.
I googled a bit for the problem & found exactly opposite process (in ubuntu documentation), where one can create a new /boot partition after installation. I wanted to know whether it is safe to use the same process for removing that /boot folder. Or is there a method for making a new /boot folder using the Live CD/USB?
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Feb 11, 2011
I have a 32-bit laptop running a dual boot with Windows 7 and Ubuntu 10.09 LTS.I've decided that Ubuntu just isn't for me, and I want to remove the partition and restore the extra hard drive space back to Windows 7.
Now, a few months ago, I accidentally deleted my Ubuntu partition through Windows Disk Management, and I ended up not being able to boot up my computer. I can't remember what the exact cause was, but I think it was a problem with the GRUB, and I think I fixed it by reinstalling Ubuntu. Does anyone know how I can safely remove the Ubuntu partition without having to go through all this again?
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Jan 1, 2011
My hard drive is partitioned fairly simply, with two primary partitions, one for Windows and one for Debian Squeeze.How can I remove sda1 and make it so that Debian takes up the whole disk on one large partition without reinstalling?I have downloaded and burnt the gparted live cd, but I daren't go any further without some hand holding.
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May 16, 2011
I installed an old version on accident, I used an encrypted LVM. When I removed the old debian and started the installation of the new version, the encrypted partition could not be used to install, and the drive itself was creating an error message when I tried to mount the installation there. This is probably a vague explanation of what is happening, but does anyone know how to remove these encrypted LVM partitions?
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Jun 19, 2011
I've reached the point where I rarely need to boot into my physical WinXP install, which is a total mess right now as well ... so I've decided that I want to completely remove it from my system, then create a virtual install of Vista Business Edition.
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May 30, 2010
Well the title says it all.I dual booted Ubuntu 10.04 with windows 7 just for an experiment.It was fun while it lasted but my 3d programs dont like it. So all the threads I found are about people that did it wrong but I dont want to get that far. So it is a fresh start. How to I remove ubuntu 10.04 and Grub.
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Mar 28, 2011
I would like to convert my /tmp and /boot partitions from Ext3 to Ext2 on my Arch Linux setup. I don't see any use in having journaling for either partition. I want to make sure that I have the right steps lined up so could someone verify that this is correct (from a live cd):
Code:
#sudo tune2fs -O ^has_journal /dev/sda7
#sudo e2fsck /dev/sda7
#sudo tune2fs -O ^has_journal /dev/sda5
#sudo e2fsck /dev/sda5
I then edit /etc/fstab to reflect these changes (ext3 to ext2 for both lines)
Does it matter what order I do it in (/dev/sda7 is /tmp and /dev/sda5 is /boot).
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Apr 22, 2011
We are running debian off of an SD card and want to know what's best for /var?
- Plenty of room on 2GB SD card, so do we, make /var as large as possible (everything else is read only) to reduce block overwrites, or do we make /var as small as possible, hopefully reducing the load 'pdflush' places on the 200 Mhz system?
That said, why not ext2? Is there damage that can happen in /var due to insta-crash or power loss that will prevent proper system function? We heard ext4 is more optimized, but ext4 on 2.6.29, not sure.
If we must use a journaled file system for /var, then which is lowest load on system, or "better": jfs, ext3, jffs2 ...
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Jan 26, 2011
I want to install Ubuntu to a USB Flash drive (so I have my Desktop everywhere and can customize it as I want). I'm still choosing what's the best filesystem for the USB; Ext2 with no journaling or Ext4 with journaling but performance increase? I know that journaling will probably reduce the life of the USB flash drive dramatically, so is Ext2 the obvious choice? Or is it a bad idea to install Linux (Ubuntu probably) on a USB Flash drive? I tried running a live CD from the USB drive, but it wasn't very customizable - which is the point of carrying my OS with me.
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Mar 10, 2010
What is attribute?
How list the attributes?
What is the diff b/w ext2 and ext3?
What is the types of files?
What is the drived files?
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