Ubuntu :: NTFS Write Speed Only 5 Megabytes Per Second?
May 22, 2010
Here's the line from my fstab that auto mounts my NTFS Windows drive:
/dev/sda1 /media/disk ntfs-3g defaults,umask=007,gid=46,noatime 0 0
When writing to the drive the max speed I get is 5 megabytes per second. I Googled it and tried some other posted Fstab lines but all disabled my write access for some reason even without "RO" in the line. Can someone please give me some guidance as to how I get the normal Sata HD transfer speed which is more like 55-75 megs or more per second or so?
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May 10, 2010
I have what seems to be a hard disk Write speed problems with my first hard drive. Timing the cp command of a 700 Meg file takes about 8 secs from disk 2 to 3 but takes 25 minutes from disk 2 to disk 1.
Here are the details:
Kubuntu 9.04 (Kernel 2.6.28-15-generic)
Hard Disk 1 : /dev/sda (WDC WD2500KS-00MJB0)
Partitioned
/dev/sda1 ext3 / 10 Gigs
/dev/sda2 extended 222 Gigs
/dev/sda5 linux-swap 2 Gigs
/dev/sda6 ext /home 220 Gigs
Hard Disk 2 : /dev/sdb (WDC WD2500AAKS-00F0A0)
Partitioned :
/dev/sdb1 ntfs 16 gigs
/dev/sdb2 xfs /home/eric/data_drive 216 Gigs
Hard Disk 2 : /dev/sdc (ST3500320AS)
Partitioned:
/dev/sdc1 xfs /home/eric/data_drive2 465 Gigs
By doing 'time cp ...sdb1/test.avi ...sdc1' takes about 8 seconds and same vice-versa. the command 'time cp ...sdb1/test.avi ...sdb1/test1.avi takes about 11 seconds and the same holds true if sdc1 is used But copy sdb1 or sdc1/test.avi to either sda1 or sda6 and it takes 25 minutes. Same problem if I copy from the same drive partition (sda). I have booted a livecd Knoppix 6.2 and the same problems happens.. So safe to say it's not Kubuntu. The only thing that is left to do is backup and reformat the partitions as XFS and try again. I also did a full smartcontrol Extended test and no errors. Checked all the various logs and nothing found.
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Apr 14, 2011
I started a thread in the hardware section, but I've narrowed it down to being a software issue. The problem is that all USB devices are written to at about 1MB/s, and is read at equally slow speeds. After testing my computer on an older Ubuntu release (8.04 32bit), I verified it wasn't a hardware issue, because the read and write speeds were like they were supposed to be. Then, I downloaded the 32bit release of the Ubuntu version I'm currently using (an up-to-date version of Natty) and booted the live cd of it. It was equally slow there as well.
The read/write speeds are equally poor on openSUSE and Arch Linux, so I don't think that it's an issue with Ubuntu, as much as it seems like a kernel issue (or maybe not, you guys can correct me if it seems like it isn't ).
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Jul 25, 2010
Does anyone know why the write speed of usb flash would be so slow? I'm running ubuntu off my flash drive but it is running really slow. I've tested the read speed which was about 33 meg a sec. But the write speed is only about 7 meg a sec. When running ubuntu it is very slow, not tolerable at all. I've read on some sites that there is a way to fix this but I'm not finding any good tutorials on making the write speed quicker.
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Jul 5, 2011
I am hoping someone can help me I setup a brand new ubuntu 11.04 64bit system with:-AMD Phoenom 840 (3.7GHz overclocked) 8GB DDR3 RAM.WD20EARS x 4madmin (RAID5) SetupFor some reason I cannot get the write speed above 15mb/s & I have tried modifying the cache_Stripe_size from 256 to 8192.My read speeds are great burst at 120mb/s & stable at about 60mb/s.The only other possiblility is it could be my HDs which I read causes slow writes not sure if thats true though. point me in the right direction so I can fix this issue as I don't want to move to the dark side (Windows) .
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May 18, 2010
I want to copy a bunch of several hundred GB to a ntfs drive.Is it a bad idea to use two different Os's? Are the files written to the drive the same way? Is there a more likely chance for corruption using different Os's to write files?
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Jul 6, 2010
I just tried NFS for the first time after reading that it's considerably faster than SSHFS, which I currently use, but I'm experiencing slow write speeds and problems while copying files in nautilus.
[Code]...
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Sep 14, 2010
I got a new machine with GA-p55A-ud3 mobo and a WDC WD10EARS 1T disk.
When I tried to benchmark the disk IO, I was suprised by the low write speed:
The related output from my lspci:
The related output from my lshw:
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Jan 5, 2011
I have recently migrated my file server over to a HP Microserver. The server has two 1TB disks, in a software RAID-1 array, using MDADM. When I migrated simply moved the mirrored disks over, from the old server Ubuntu 9.10 (server) to the new one 10.04.1 (server).I Have recently noticed that write speed to the RAID array is *VERY* slow. In the order of 1-2MB/s order of magnitude (more info below). Now obviously this is not optimal performance to say the least. I have checked a few things, CPU utilisation is not abnormal (<5%) nor is memory / swap. When I took a disk out and rebuilt the array, with only one disk (tried both) performance was as to be expected (write speed >~70MB/s) The read speed seems to be unaffected however!
I'm tempted to think that there is something funny going on with the storage subsystem, as copying from the single disk to the array is slower than creating a file from /dev/zero to the array using DD..Either way I can't try the array in another computer right now, so I though I was ask to see if people have seen anything like this!At the moment I'm not sure if it is something strange to do with having simply chucked the mirrored array into the new server, perhaps a different version of MDADM? I'm wondering if it's worth backing up and starting from scratch! Anyhow this has really got me scratching my head, and its a bit of a pain! Any help here would be awesome, e-cookies at the ready! Cheers
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Jan 17, 2010
I'm dualbooting XP and Kubuntu on my laptop, and want to move some files from my ext3 part to the NTFS part. Mounting it goes fine, but can't write, create folders, etc. to the NTFS part. Started looking for people with similar problems online and found the guide on this site, so I installed ntfs-config and went through the steps, checking "Enable write to internal device", etc. Still no good. I tried manually putting in the write option on the mount command, no flags comes up but konsole still says "Operation not supported." Dual-booting Vista and Kubuntu Jaunty
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Nov 27, 2010
If I have an external hard drive NTFS it is as safe to read/write on it from either Win XP and Ubuntu?
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Mar 13, 2011
I was wondering if anyone knows how to read write a ntfs partition on thats on a separate linux machine ?
Is that even possible from one linux machine to another ?
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Dec 26, 2010
The task is to create a TrueCrypt file on a buddy's USB HDD and copy a bunch of my stuff to the file. He runs Win7 so disk has NTFS. He has data on it that I don't want to compromise. Disk then goes back to him to run under Win7.The disk automounts just fine. Here's the mtab line:/dev/sdb1 /media/OneTouch440Plus ntfs rw,nosuid,nodev,uhelper=hal,uid=1000.Read (as user) is no problem. It looks like I should (as user) be able to write to it but I can't. Permissions show user as owner but read-only and can't be changed by owner. I've tried an fstab entry and mounting from CLI but no luck. I have not tried to manipulate the disk files with chown/chmod out of concern I might compromise other files on the drive.
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Sep 14, 2010
I got a new machine with GA-p55A-ud3 mobo and a WDC WD10EARS 1T disk. When I tried to benchmark the disk IO, I was suprised by the low write speed:
[Children see throughput for 1 initial writers = 35962.63 KB/sec
Parent sees throughput for 1 initial writers = 35962.63 KB/sec
Min throughput per process = 35962.63 KB/sec
[code].....
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Aug 4, 2011
I had a F14 samba server working flawlessly now for a quite time. Unexpectedly about a month ago the write speed slowed down around 64kbit/s and that's really slow. I haven't changed any configs, only updated the server. I've troubleshooted this from many angles:
-It is not a network issue because sftp writes are good.
-It is not a RAID1 issue because write speed from another directory (locally) are good.
So basically samba is the only thing left.
Here's example from smb.conf:
[MyShare]
comment = My share
path = /mnt/RAID_share
writeable = yes
browseable = yes
writelist = +smbuser
Here's a snip from logs today:
[2011/08/04 09:04:27.509273, 1] smbd/server.c:267(remove_child_pid)
Scheduled cleanup of brl and lock database after unclean shutdown
[2011/08/04 09:04:47.526336, 1] smbd/server.c:240(cleanup_timeout_fn)
Cleaning up brl and lock database after unclean shutdown
[2011/08/04 09:17:57.634660, 1] smbd/server.c:267(remove_child_pid)
Scheduled cleanup of brl and lock database after unclean shutdown
[2011/08/04 09:18:17.635196, 1] smbd/server.c:240(cleanup_timeout_fn)
Cleaning up brl and lock database after unclean shutdown .....
There's a restart that is not software related.
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Jan 14, 2010
From a Win 7 client, I can copy/create/delete any files on any share on the Ubuntu Samba server so long that is part of my nix file system which is all ext4.This box also has and NTFS partition on it primarily for storage. I can copy/create/delete anything on this partition form the same Win 7 client with the exception of Quickbook save files.I have scoured the web looking for anything close to this but have yet to find anything that looks similar. Not lloking for a direct answer but if there is anyone else that has issues copying specific types of files to a Samba NTFS partition.
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Aug 10, 2010
I have this samba share for ghosting images to (backing up computers at work) and I can read the ghost images just fine from the share, but I am unable to write to the share. From any windows environment I have tried, I get a disk is full error. I have 200GB+ free space, so this is not the actual issue. I believe there is a write permission somewhere that I am overlooking. My setup basically lets me log in under the username samba from a client machine.
Here is my smb.conf file:
Code:
#======================= Global Settings =======================
[global]
workgroup = discount.local
server string = %h server (Samba, Ubuntu)
[code]....
I've tried chown on /media/Images to make it owned by samba, but it just reverts once I remount the partition. Either that or my eyes are playing tricks on me.
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Dec 21, 2009
I have 64GB USB stick NTFS formated. I'd like to exchange files much bigger than 4GB between windows and linux. FAT32 doesn't support files bigger than 4GB. Is it possible to mount NTFS RW under Debian Lenny?
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Jul 9, 2011
Can Slackware 13.37 write on Win7's NTFS? I'm dual-booting and I've been thinking upgrading to Win7. I need to write to the Windows partition from Slackware and the NTFS-write compatibility will affect my decision.
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Dec 13, 2010
About NFS.
Server:
Client(s):
Code:
I have followed Robbie Workmans' HowTo [url]
Reading and writing works absolutely fine with small files but large files are tediously slow in writing to the server. (rw,no_subtree_check) are options in exported directories.
What is your experience with NFS and how can I speed up large file/folder transfer(write) speeds?
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Jun 28, 2010
I am new to Centos and linux in general. I have just got myself a Dell 1950 server with 2x 1T SATA2 hard disks in it. now the server comes with a PERC5i Raid card with 512Mb. Well I put these in raid 0 and the raid card initilzed the disks to 128 writeback and read ahead. When I loaded centos it did not recognize the dell layout so therefore wanted to initalize it again, so I done this as it wanted. Now I created a 80gb boot and o/s partition and a 100gb swap the rest was created into LVM space to run solus vmwear. But I found the raid 0 to be getting extreamly slow read and write speeds.
Example same disks
Desktop PC max 214mb/s windows vista 64
Server with centos 104mb/s
Now I am not sure but I am told that I need to align the o/s with the raid card settings but I have no idea how to do this. How to do this in plain easy step by step instructions. I mean how to calculate it, how to format the disk this way, and what files to edit where if needed. I have spent hours trying to figure out why my raid 0 is slower than a single disk.
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Jan 5, 2010
Why can't I write to NTFS filesystems in Squeeze? I have ntfs-3g installed already.
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Jul 4, 2010
I am unable to write to ntfs partition.
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Dec 19, 2009
I've got a triple boot system here (W7,XP,OpenSUSE 11.1). Several windows partitions are mounted as part of the standard opensuse install. I can write to them from opensuse only when I am superuser. I suspect I need to tweak mtab? Here is my ftab followed by mtab: Any ideas?
++++ etc/ftab +++++
/dev/disk/by-id/ata-ST31500341AS_9VS2CGVN-part5 swap swap defaults 0 0
/dev/disk/by-id/ata-ST31500341AS_9VS2CGVN-part6 / ext3 acl,user_xattr 1 1
/dev/disk/by-id/ata-ST31500341AS_9VS2CGVN-part7 /home ext3 acl,user_xattr 1 2
[code]....
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May 16, 2011
After the fresh installation of openSUSE 11.4 x64 (Gnome 2.32.1) my NTFS drives were mounted automatically. However, I can only write those partitions as root. I' ve already tried everything I found on the internet, but none of those solutions worked and as a rookie, I haven't got any idea how to proceed. My original FSTAB looked like this:
Code:
/dev/disk/by-id/ata-Hitachi_HTS545050B9A300_100708PBN403B7HMV4WL-part6 swap swap defaults 0 0
/dev/disk/by-id/ata-Hitachi_HTS545050B9A300_100708PBN403B7HMV4WL-part7 / ext4 acl,user_xattr 1 1
/dev/disk/by-id/ata-Hitachi_HTS545050B9A300_100708PBN403B7HMV4WL-part8 /home ext4 acl,user_xattr 1 2
[code]....
I also installed ntfs-config and according to it my drives are supposed to be writeable (although that might refer to my root account). But none of the above steps made my NTFS partitions writeable for a non-root account. I restarted my system after each time I changed the content of FTSAB.
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Jan 8, 2010
In one of our client system there is a partition which shows NTFS and other partitions are ext3...the partition which shows NTFS is a seperate HDD...The NTFS partition has been mounted...but we are not able to write anything to it...but we checked in /etc/fstab....it shows 'ro' so we changed to defaults....after making chnages when we tried to remount using the command mount -o remount /partition.it shows the device is already been in use try using the command fuser or lsof.we tried fuser /partition and then killed that process..still same error.....I would also like to know is there a way that we convert the NTFS partition to ext3 without losing the datas.
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Aug 27, 2010
All my important data like ebooks and some programs are in a ntfs partition...when i login to my redhat i am unable to access that partition..
How to access(r/w) that partition in linux(Red Hat)?
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Feb 7, 2011
I am having a problem writing to an NTFS pendrive. I have created the NTFS pen drive in the following way:
Code:
fdisk /dev/sda
created the label with 'o', then written the table with 'w'
I've then gone into fdisk again :
Code:
fdisk /dev/sda
started the partition creation with 'n', and chosen 1 partition '1', then written that with 'w'
I then used mkntfs to format:
Code:
mkntfs /dev/sda1
The blkid command gives me this output:
/dev/sda1: UUID="58CEA9511D6BCEFA" TYPE="ntfs"
I can mount the pendrive (as root) with:
Code:
mount -t ntfs /dev/sda1 /mnt/pendrive
and the mount command output:
/dev/sda1 on /mnt/pendrive type ntfs (rw)
I have changed the permissions on /mnt/pendrive (while mounted) to 777, owner/group=root. However, when I try to copy something to the drive I get this error:
cp: cannot create regular file `/mnt/pendrive/file.txt': Permission denied
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Mar 22, 2011
I have 13.1 as a dual boot with xp on a 40G hd. There is a 500G hd where I keep all my files, in ntfs format, and I have usb sticks in fat32 and ntfs. When I installed 13.1 I chose read and write access for all users for all of these media. 13.1 will read from them, but will not write to them. How can I fix this?
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May 11, 2011
I installed AlienBob's KDE 4.6.2 a few days ago to give it a shot.
I'm really satisfied with it and wish to keep it, but there's one thing bugging me : I can't write to my NTFS USB drives.
To be precise, I can write as much as I want to existing files, but I can't add nor delete files nor directories.
Worse, root isn't allowed either, even in runlevel 1 when mounted by hand (mount -t ntfs /dev/sde1 /mnt/foo).
Did I miss something to configure among the dependencies of KDE 4.6 ?
Output of /var/log/messages
Code:
May 11 08:37:52 rafale kernel: [46953.570204] usb 1-6: new high speed USB device using ehci_hcd and address 6
May 11 08:37:53 rafale kernel: [46954.274818] usb 1-6: New USB device found, idVendor=1058, idProduct=0730
May 11 08:37:53 rafale kernel: [46954.274821] usb 1-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[Code].....
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