Pablo Sanchez wrote:
> On Tuesday 30 September 2008 at 12:23 pm, David C. Rankin penned
> about "[vbox-users] Slow Read from mapped SMB shares in 2.0.2"
>
>> Listmates,
>>
>> I am experiencing a new slowness reading from mapped SMB shares in an
>> XP guest machine (704M of ram allocated) running on an openSuSE 10.3
>> i386 host (4G of ram [3 available w/o PAE]). This seems new in 2.02. I
>> have run vbox on this host with this same virtual machine since 1.56 i
>> believe. I have never had copies from mapped drives crawl like this before.
>
>
> Is it possible related to this bug - which has a partial fix in place:
>
> <http://www.virtualbox.org/ticket/1728>
>
> I tried to replicate what you're seeing and I couldn't; I do have the
> above patch in my VM though.
>
> My test was as follows:
>
> host os: openSUSE 11.0
> guest os: Windows XP
>
> host: [fly] [zoom]
> ----------- -----------------------------------------
> SMB share VM: Open `128KB' Word DOC found on [fly]
>
> As a test, I `seeded' the VM by starting Word without opening any
> files. After my cache is warmed, I opened the Word DOC on `[fly]' and
> it opened lickity split.
>
> Cheers,
I think you may have hit the nail on the head Pablo. I will have to do
some
additional testing, but NETBIOS name resolution (nmb) may be the problem. I'll
check when I get back to the office. The host us running Samba 3.2.3-0.1 and
the pertinent part of the config is:
global]
use sendfile = No
workgroup = rb_law
server string = Samba %v
printcap name = cups
load printers = yes
printing = cups
show add printer wizard = No
disable spoolss = yes
log file = /var/log/samba/log.%m
max log size = 100
log level = 1
time server = yes
smb ports = 139
hosts allow = 192.168.7. 192.168.6. 127. 66.76.63.120
map to guest = bad user
security = user
encrypt passwords = yes
smb passwd file = /etc/samba/smbpasswd
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
os level = 57
name resolve order = wins lmhosts bcast
wins server = 192.168.7.15
dns proxy = no
[homes]
comment = Home Directories
browseable = no
writable = yes
My quest share are also defined with 'net use x: //hostname/home'
Whatever the
cause, there is a huge slowdown somewhere.
--
David C. Rankin, J.D., P.E.
Rankin Law Firm, PLLC
510 Ochiltree Street
Nacogdoches, Texas 75961
Telephone: (936) 715-9333
Facsimile: (936) 715-9339
www.rankinlawfirm.com
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