[linux-cifs-client] RHEL Slowness in mounting a smb share

Paul Edgar javaoops at us.ibm.com
Mon Aug 20 12:19:33 GMT 2007


Jeff Layton wrote:
> On Fri, 17 Aug 2007 08:24:53 -0500
> Paul Edgar <javaoops at us.ibm.com> wrote:
>
>   
>> Ever since RHEL4 I have noticed that mounting a smb share on RHEL is 
>> slow, very slow.
>>
>> lstat64("/etc/mtab", {st_mode=S_IFREG|0644, st_size=376, ...}) = 0
>> stat64("/sbin/mount.smbfs", {st_mode=S_IFREG|0755, st_size=727684, ...}) = 0
>> clone(child_stack=0, 
>> flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, 
>> child_tidptr=0xb7f38ae8) = 25661
>> wait4(-1, Password:
>> [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 25661
>> --- SIGCHLD (Child exited) @ 0 (0) ---
>> exit_group(0)                           = ?
>> Process 25660 detached
>>
>> real    0m32.632s
>> user    0m0.048s
>> sys     0m0.056s
>>
>>
>>     
>
> This list is for CIFS. smbfs is pretty much orphaned upstream, so if
> you can switch to using CIFS, that's highly recommended. The CIFS code
> is in much better shape.
>
> That said, you're probably hitting this smbfs bug which should be fixed
> in the upcoming 4.6 update:
>
> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=168280
>
> You may want to test the RHEL4 kernels on my people page and see if
> they help:
>
> http://people.redhat.com/jlayton
>
>   

Thanks,


Paul Edgar


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