Further investigation shows it's not FTP nor samba. It's Windows 7
(which I used for Windows file and FTP). Using smbclient on a Linux box
I get 19MB/sec and FTP from Linux I get 32MB/sec. Concurrent with
replacing the old file server was the purchase of a new PC. I guess we
know what XP does better than Windows 7.
Regards,
George Toft
On 10/27/2012 6:01 PM, George Toft wrote:
Spent several hours researching this one - can't find a solution. I
hope someone here can hit me with a clue-by-four.
CentOS 6.3 64-bit virtual running under VMware 2.0.2 fresh install
with FTP/Samba/NFS running. I copied 500+GB of data from the old
computer to the new one using NFS at full network speed (11+ MB/sec).
Life's good.
Now here it is a day later, and my samba write speed is a blazing
80KB/sec (up from 40KB/s when I started troubleshooting). I read
samba should approach FTP speed and I verified it does - FTP writes to
the new machine at about the same speed. Reads still take place a
full speed (now it's on a 1Gbps network) - 33MB/sec. Writes . . .
99.8% slower. I did not have this problem on the previous samba
server (CentOS 4.8 32-bit).
I added memory (it now has 1GB RAM, 1 GB swap) and it has 2 CPU's.
This had no effect.
In summary, NFS works at full speed both ways. Samba/FTP are fast on
reads but snail slow on writes.
My next thought is to install ClearOS, test it, and copy their
smb.conf. Or install CentOS 5.x and see if it has the same problems.
Any ideas where to look on this one? smb.conf necessary.
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