Ubuntu Networking :: Slow Transfer To Mounted CIFS Share?
May 2, 2010
I have a Hitachi SimpleNET adapter (entry-level NAS device) on a Seagate FreeAgent 1TB external HDD (formatted ext3). The NAS device is connected over 100MB/s ethernet to a Netgear Wireless G router. All other devices connect using Wireless G. The NAS runs embedded Linux on an ARM processor and it runs vsftpd and Samba for file transfers.
If I transfer a large file using an FTP client the transfer maxes out at around 2.5MB/s. For my purposes that's good enough, especially considering the Wireless G bottleneck. If I transfer a file from a Windows 7 client (using samba) I get around 2.2MB/s. I know the CIFS protocol has more overhead than FTP and the difference in speed isn't that noticeable.Any combination of Ubuntu and Samba results in me getting less than 1MB/s. I've tried mounting it through Nautilus (GVFS) and /etc/fstab. FTP from this same Ubuntu client gets around 2.5MB/s.
I don't have root access on the SimpleNET to change the smb.conf. I've made a few adjustments to the mount options with no success. how to either speed up 10.04 as a Samba client or mount a folder on an FTP server locally? I've tried both curlftpfs and FUSEFTP. With curlftpfs any write operation results in an I/O error and it crashes intermittently. With FUSEFTP I never got that far and couldn't even browse the folder.
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Aug 4, 2010
I've just managed to access my windows share from Ubuntu but am now getting write speeds (to xp share) of only 9MB/s over my wired network, anyone have any ideas as to why this may be? I've googled but can find no specific answer.
My NIC is:
Ethernet controller: Broadcom Corporation NetLink BCM5784M Gigabit Ethernet PCIe (rev 10)
(from lspci) on a Dell studio 1737)
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May 28, 2010
When using the following cifs mount command, mount -t smbfs -o username=username,password=password //srv/shr /usr/localfolder/and the cifs share does not exist, localfolder is mounted like d????????? ? ? ? ? ? localfolderafter a number of time , when umounting we get a kern <soft lock>Is there any way to fail the mount if the destination share does not exist, ive had a quick look through man mount but can not see a solution.
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Jan 14, 2010
The shares get mounted correctly and you can navigate through the directories and open files.The only problem is that it randomly starts going really slow taking 30 seconds or longer to open a directory that has 2 or 3 files in it.I have tried quite a few things to try and fix this without any luck. Its getting to the point where I am having to consider recommending that we use windows instead, which I would rather not do as I think its good for students to experience different operating systems during school.
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Mar 12, 2010
I would like to be able to test that a network mounted cifs(samba) share is actually mounted in a script file to do backups. I want to do this so that when my automatic backups run they actually go to the remote location or fail. Currently, if there is a network problem that prevents the network share from mounting, the files simply get copied to the folder (e.g. /media/backupmount) and end up filling up my small local hard drive.
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Nov 17, 2010
Can we export a raw device through NFS/CIFS to be mounted at remote location?
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Feb 12, 2016
I'm having a strange problem with data transfers between systems. I have a file server + my desktop. Both are running Debian 8.3. I have a samba share running on the file server and I mount the shares on my desktop on boot via /etc/fstab
When I copy a file using the nautilus from my home folder (on my HDD) on my desktop to the mounted network location, my transfers start out at gigabit speeds 80MB/s-90MB/s for a couple seconds and then drop down to about 8MB/s
But when I terminate the transfer and then use scp to transfer the same file, I get consistent gigabit speed throughout the transfer. I am not sure what is going on.
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Mar 10, 2010
I have a Buffalo Drivestation (model HD-CELU2, 1tb) attached to my network.From my ubuntu desktop I can go to the menu, select "connect to server", put in the ip and share info, and it mounts perfectly.I can open the share and browse eadwrite, but when I try to mount it from a terminal or within fstab, it will still mount, but I cannot see any files that are on the drive. I have about 12gb of data on it, but like I said when I mount it using "mount -t cifs 192.x.x.x/share blah blah blah" I do not see any of the files.If I do a df I can see that the drive has files on it based on the free space available, but if I do an ls nothing shows.
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Feb 10, 2009
Following instructions that I received from the Fedora 10 Guide, I recently edited my etc/fstab file so that I could auto mount my Windows share. It worked the first time, but when I rebooted, I noticed an error saying that Linux could not not unmount the cifs shares. Eventually it did reboot, but now I cannot mount the share at all from fstab. When I run the command #mount -a and then #mount, my share is shown to be mounted although I cannot access it and there is no link to it on the desktop like there was the first time it mounted. I basically want my Windows share to be permanently mounted with read/write permissions. My Distro is Fedora Core 10 64 bit. How can I resolve this issue?
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Jan 12, 2011
Trying to figure out if there is a way to connect to a cifs share, and only being prompted for one password? ie using the following:
sudo mount -t cifs //goanna/neddy -o username=neddy,iocharset=utf8,file_mode=0777,dir_mode=0777 /mnt/neddy
prompts twice for a password (sudo & the share password). Is there anyway to "catch" the sudo password for the connect? (Long shot!
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Aug 11, 2010
There are a number of shares on the destination system; for the purposes of this thread I used D$ and F$ (corresponding to those partitions). These shares are mounted permanently via CIFS (entries in fstab) on the source system.Today I copied an ISO image of some 3.5 GB from source (S) to destination (D). md5sum on S gave a different checksum for the source ISO than that calculated by HashCheck Shell Extension for the destination ISO. I know some would argue that I shoud use the same md5sum programm for both images.
To circumvent that I 7zipped the ISO, verified it's integrity and copied that archive from S to D. Verification of the acrchive by the Win version of 7z failed.To see if it's a protocol problem I copied both ISO and archive of ISO to another D this time using sshfs (it's an Ubuntu server). Flawless copies.Then I copied both files to another Win-based server on the same network. Flawless copies.Mystified, I checked the partition's file system integrity (NTFS) where the errors occured. Minor inconsistencies (no errors according to chkdsk). So I copied both files again, once to another partition (D:) of the original D, once to that partition causing the error in the first place (F:).
(D:): archive corrupt, checksum okay
(F:): this time around both okay.
What the hell can I do to nail down the problem?! I don't even know whether it's a problem of the source system or the destination.
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Jun 24, 2010
I'm using cifs to mount windows share.I have created one credentials file and given the path in fstab to mount at boot time. Now i want to encrypt the credentials file and place that in the fstab file.But it is not accepting.. how to use encrypted file to use in fstab,so that normal users can not watch the credentials inside the file.
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Feb 14, 2011
I have been transferring files over the network. But I am sure It should be HEAPS faster than 8MB/sec
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Mar 25, 2010
most of the partitions on my computer are ntfs type and need to be mounted via ubuntu so how can i share the entire partition or folders from it and for it to mount automatily when remote computer reqest to enter one of those partitions?
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Jan 11, 2010
I have mounted a windows share to my Ubuntu 9.10 system by doing the following:
Code:
//wollemi/shared/wSharedsmbfs username=name,password=password00
I also tried:
[code]...
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Jan 6, 2010
It's the strangest thing, I've done this on a couple othervers with no issues whatsoever... here goes:I need to mount a windows share to copy some files to it, so I used this command which gets no errors:
Code:
sudo mount -t smbfs -o username=XXXXX,password=XXXXX,domain=XXXX.com //192.168.12.30/operrors /home/XXXX/scripts/operrors
[code]...
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Feb 7, 2010
I'm experiencing slow speed transfer between two wireless connected laptops running ubuntu 9.10. Using SSH to tranfer files between these two laptops, which connect to the internet via a wirelesss router, with good speed. This is why I'm surprised by this low speed : 52.3 KB/s, averaging 3 hours and 31 minutes for a 700 Mb movie. Is there any way to make this faster ?
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Feb 12, 2011
I am using Workstation machine linux 64bit, having two NICs I assigned diffrent IPs for two MAC IDs. Through router I connected both cards to a sing port.
My doubt is will it improve the bandwidth of path? or I need connect different socket?
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May 7, 2009
I have connected two computers with each other both having fc installed. Now, when I tried to transfer a file from one computer to another using scp command, sometimes the file transfers very slowly and sometimes very fast. I wana know that why it sometimes transfers slowly. By slow I mean much slower than a file downloaded from a dsl.
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Oct 14, 2009
We have a server and we have instales an Open suse 10.3 on it. We created a Samba server also. Made to share folder, that we acces from network from other computers that have xp.
The problem is if we try to copy from server it is very slow only 100-300kb/s. The strange thing is that if i copy 1 file then its slow but if i start to copy another one the speed gos up to 10-15mb/s. Evry time i want to copy somethin or install from that server i need to start another copy. If i copy from a comp to that server the speed is normal only if i copy from server its slow.
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Feb 20, 2010
Ok, the only thing I remember doing is changing out my hard drive because it went bad. I swapped in a new one and reformatted with Windows 7. (I can hear the boos and hisses as I type) Anyway, now file transfers are exceedingly slow. They are ~10KB/s when they should be ~40MB/s. The odd thing is that it mostly occurs on large files, but not all large files and sometimes smaller files are affected. Copying files from one hard disc to another on the server, as well as copying from the server to Win7. Local files are not affected. The problem does not occur on my laptop which has Slackware Linux on it.
Another thing about the problem is that when I mount a disc image on a virtual drive, access time is very slow and windows explorer is very unresponsive and often locks up completely.
I have a samba server with Slackware Linux on it and a Windows 7 client. DHCP is configured through dnsmasq. (dhpc-host=<mac address>,<computer name>) Every now and again, dnsmasq seems to conk out when I try to access the network with my Win7 machine. I then have to reboot the server, as my only access to it is via SSH and I don't have a video card in it. After the server reboots everything is fine until accessing the network with my Win7 machine conks it out again.
I've tried different MTU settings, different network cards on the Win7 machine(Dlink and realtek), various regedit hacks, but none of them produce any results.
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Jan 21, 2011
I have mounted a windows network share using the gnome desktop environment, using Places -> Connect To server.The network share is OK, and I have the icon on my desktop and can see all the files.I want to be able to use this network as well in the console, so I need the mount point.What is the location on the filesystem were this networkdrive gets mounted? I find nothing in /mnt and nothing in /media also using mount to look at the registered mounts, there is no entry for the networkdrive.Nevertheless, I have this networkdrive now open in my desktop, and have an option to unmount it.I know that using the mount.cifs command you can specify the mounting point.
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Jan 19, 2010
I have suddenly lost the desktop icon (of a hard drive) for a mounted network share. It is funny because, I have other network mounts which share the same server, and there icons are appearing, and this particular share just does not show up with the icon, even if I try mounting it different locations in the filesystem. Any ideas. I really like those cute icons on my desktop.
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Sep 6, 2010
so after searching and reading, and searching some more, im stuck. i cant seem to get a mounted thumb drive to give write access. first thing to know is that, im using a seagate dockstar with a primary thumb drive[sda1] booting debian and samba.
i guess you could say im still in the testing phase, just trying to make sure files can be shared, mounted and accessed by users. the problem is stated as the title. i have successfully shared a folder in sda1 with rw access, but i cant do the same for the second drive[sdb1].
for sda1 with rw access, here are the smb.conf settings:
Code:
[shared]
path = share
available = yes
valid users = mark
[Code]....
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May 24, 2010
My wireless network is giving me a fit. Slow transfer speeds and then I lose connection and have to reboot.
greg@greg-computer:~$ /sbin/ifconfig
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:92 errors:0 dropped:0 overruns:0 frame:0
TX packets:92 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:10214 (10.2 KB) TX bytes:10214 (10.2 KB)
wlan0 Link encap:Ethernet HWaddr 00:16:b6:5a:9c:a5
inet addr:192.168.1.3 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::216:b6ff:fe5a:9ca5/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:13085 errors:0 dropped:0 overruns:0 frame:0
TX packets:9600 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:15268450 (15.2 MB) TX bytes:2704035 (2.7 MB)
wmaster0 Link encap:UNSPEC HWaddr 00-16-B6-5A-9C-A5-00-00-00-00-00-00-00-00-00-00
UP RUNNING MTU:0 Metric:1
RX packets: 0 errors:0 dropped:0 overruns:0 frame:0
TX packets: 0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes: 0 (0.0 B) TX bytes:0 (0.0 B)
greg@greg-computer:~$ netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 wlan0
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 wlan0
greg@greg-computer:~$ cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 192.168.1.1
greg@greg-computer:~$
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Jun 28, 2010
I have a line in the fstab file which automatically mounts a network drive every time I start up Ubuntu. I browse to a text file on the network drive and open it using gEdit and make changes to it. Then, when I hit the save button, a bright red warning appears:
Could not save the file [path here] gedit cannot handle file: locations in write mode. check that you typed the location correctly and try again. This also happens if I do save as. Then, after this error appears, the file actually disappears (gets deleted) from the network drive and in order to save it, I have to select save as again and type in the original filename. The line in my fstab file is:
//files.example.com/username /media/Network-Drive cifs uid=myname,umask=000,credentials=[cred file here],domain=mydomain 0 0
I'm not sure if this has something to do with the file permissions or gEdit itself or using cifs to mount. When I use the "ls -l" command on the file, I get
-rwxr-xr-x 1 myname root 7402 2010-06-28 01:14 textfile.do
which should be fine since the user has all permissions.
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Mar 15, 2009
My main pc is this Fedora 10 pc. I have two other pcs that run different Linux distros from time to time. What is the basic setup to share and transfer files between the 2 or 3 pcs? They are connected through a 2wire modem/router.
Do I need Samba installed? or is that only if to need to network with a Windows pc?
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Aug 5, 2009
this is all on LAN.Whenever I transfer files through the router A to a pc connected wirelessly, the internet hit the speed of molasses. What can I do to rememdy this? I was thinking about having my fedora box connect wirelessly to the internet, through router A, and then bridge via ethernet to router B and then have my pc always connected to router B, so when i transfer files, router A remains unaffected. Is this correct logic?
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Aug 22, 2010
I am having a problem trying to transfer large file (~700MB) from one station in my home to another. I have 3 PCs hooked up through a router. 1 is wired to the router and the other two are wireless. One wireless is a laptop that has a built-in Atheros wireless card that was supported during the FC13 install. The other wireless has a plug-in wireless card made by Belkin (F7D1101). I had to use ndiswrapper to get it to work on FC13.(BTW all PCs are running FC13)
The one with the Belkin card is, I think, the problem. The one with the Atheros card will transfer files at a rate of about 8MB/sec to the one with the wired ethernet connection. The one with the Belkin card will not transfer at rates over 300KB/sec to either of the other two PCs. I have tried file transfers both encrypted and not and it makes no difference.
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Mar 2, 2011
I am struggling trying to understand the reason for a fairly slow data transfer rate between two machines. ( tried point to point and also via a 1 gb switch )
One is nfs/http/ftp server ( with raid1 and lvm on top ), the other one my desktop pc. Both OS with default options, no changes to kernel in proc or other sort of thing.
Hardware is full recognized and perfectly working: The server has 4gb ram, Intel Core 2 Duo CPUE6850 @ 3.00GHz, 1000Mb/s NIC card and Lucid 10.04 64 bit, 250Giga Hard disk. The client has 3gb ram, Intel Core 2 CPU 6320 @ 1.86GHz, 1000Mb/s NIC card and Ubuntu Maverick 32bit , 150Gb Hard disk.
Raw data is good:
gettons@gettons-desktop:~$ iperf -c MYSERVER
------------------------------------------------------------
Client connecting to MYSERVER, TCP port 5001
[Code].....
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