----- Original Message ----- From: "Dragan Krnic" <[EMAIL PROTECTED]> Date: Tue, 29 Jun 2004 12:34:38 -0500 To: [EMAIL PROTECTED] Subject: Re: Frustrated...Samba on linux w/xfs SLOW problem
> |>> it starts out at a decent speed for a second, then slows and slows > |>> and eventually stops. I then get the message "The specified > |>> network name is no longer available." > |> > |> Are you getting a lot of collisions when this happens? This sounds > |> suspiciously like a network problem, maybe mismatched duplex settings. > |> > |> Try FTPing or SCPing a file to the server from your Windows machine. If > |> that transfer is affected as well, it's a network problem, not a Samba > |> problem. > | > | I had tried scping and that does work fine. > | > | I tried the following test. > | I created a new ext2 file system on the computer, > | made it a samba share, and turned off all other > | samba shares except the ext2 one. I then wrote > | a 35M file from my windows machine to the linux > | server. It worked like it used to. > | > | This seems to prove to me that > | a) there is no network problem, > | b) samba is working correctly, > | c) there is DEFINATELY an issue with XFS and samba. > | From what I've read in some other places, > | it appears there is also an issue with ReiserFS and samba. > | > | What is it with samba that it only appears to like ext2/3 fs's? > | Is *ANYONE* using XFS with samba and having it work > | at a normal rate of speed when writing to it? > | > | Before anyone asks, I also did try mounting a drive > | from my windows machine via smbclient and copy > | a file on the linux box from the windows machine. > | That works fine, even to the xfs drives. > | > | It seems to me that there's got to be some option > | in the samba configuration that I just don't > | have correct. If someone is currently successfully > | using linux xfs w/samba, please, share your config! > > Your mileage may vary. There is nothing about samba to > prefer one fs over another. There are too many variables > involved, hardware, software, configuration. I had myself > some problems with ext3 and reiserfs in connection > with sata drivers in kernel 2.4.20. With the same > hardware and drivers xfs made a much better impression > in writing speed so I set up an array of 6 disks in > raid5 configuration and formatted it as xfs with an > external journal. And this is a copy transaction from > a client which is connected to the server with xfs > via a cheap Gigabit LAN Switch: > > U:\>dir > 26.06.2004 20:02 <DIR> . > 18.06.2004 15:08 <DIR> .. > 25.12.2003 23:44 73.515.932 pmn90g.tarlist > 1 File(s) 73.515.932 Bytes > 1 Dir(s), 347.053.490.176 Bytes free > U:\>timethis copy pmn90g.tarlist C:\Temp\pmn90g > TimeThis : Elapsed Time : 00:00:01.601 > U:\>timethis copy C:\Temp\pmn90g > TimeThis : Elapsed Time : 00:00:01.892 > > Which means 46 MB/s from the server to the local > file and 39 MB/s from the local file back to server. > Not too bad for an xfs. Nothing special in smb.conf. > > I'm not convinced that there is a problem between > Samba and xfs. As I mentioned in a letter yesterday > some problems go away after a reboot. If you have > added a disk to format as ext2 then you have also > rebooted your system. If there were any problems > with WINS resolution due to stale cached entries > they might be gone after reboot. I don't say that > there can absolutely be no problems between samba > and xfs, only that it is not very likely. It is > difficult to see what's wrong with your setup. -- To unsubscribe from this list go to the following URL and read the instructions: http://lists.samba.org/mailman/listinfo/samba
