SuSE 10.0 的大问题：移动设备写入数据速度极其缓慢！

蓝铃

鉴于这个问题的严重性，SuSE Release Notes 提到关于取消移动设备的同步挂载模式：

1 Create a file with the name 90-storage-nosync.fdi and the following contents:
<?xml version="1.0" encoding="ISO-8859-1"?>
<deviceinfo version="0.2">
<device>
<!-- disable sync for mount -->
<match key="block.is_volume" bool="true">
<match key="volume.fsusage" string="filesystem">
<match key="volume.uuid" string="UUID">
<merge key="volume.policy.mount_option.sync" type="bool">false</merge>
</match>
</match>
</match>
</device>
</deviceinfo>

2 Adjust the line <match key="volume.uuid" string="==UUID=="> according to your hardware.
Run lshal to retrieve the volume.uuid and enter that ID instead of ==UUID==

3 Copy 90-storage-nosync.fdi into this directory:
cp 90-storage-nosync.fdi /usr/share/hal/fdi/policy/20thirdparty

4 Restart the HAL service with rchal restart.

其中第2点，要把 UUID 修改为实际的 volume.uuid，但是运行 lshal 出来一堆信息。
volume.uuid = "*" 的赋值就有两条。因此，这点说明不甚明朗。

谁能解释一下到底怎么做？谢谢。

蓝铃

According to https://bugzilla.novell.com/show_bug.cgi?id=105871

You can change the fdi file to do this for all
USB-storage devices. You need only to replace this line (untested):

<match key="volume.uuid" string="==UUID==">   

with

<match key="@info.parent:storage.bus" string="usb">

蓝铃

一个完整的建议，同样来自https://bugzilla.novell.com/show_bug.cgi?id=105871

One tip: if you looking for the right string for "volume.uuid, you can run
lshal with lshal > /root/lshal_out.txt within a console during the USB-Stick is
mounted and open the Textfile with kwrite /root/lshal_out.txt, Then you can
search within the textfile for the volume,uuid-string according to the
mountpoint of your USB-Stick. These are the outputs for my usb-stick.
>>>>>
volume.mount_point = '/media/usbdisk'  (string)
  volume.label = ''  (string)
  volume.uuid = 'E4DE-3250'  (string)
<<<<<

Another tip:
If you want to disable sync-option in every usb-device, you can change the
nosync.fdi-file to this:

<?xml version="1.0" encoding="ISO-8859-1"?> <!-- -*- SGML -*- -->   
<deviceinfo version="0.2">   
  <device>   
    <!-- disable sync for mount -->   
    <match key="block.is_volume" bool="true">   
      <match key="volume.fsusage" string="filesystem">   
        <match key="@info.parent:storage.bus" string="usb">
          <merge key="volume.policy.mount_option.sync" type="bool">false</merge>   
        </match>   
      </match>   
    </match>   
  </device>   
</deviceinfo>

Copy the lines above to a texteditor and save the nosync.fdi file to
/usr/share/hal/fdi/policy/95userpolicy

After "rchal restart" the sync option is disabled for every usb-device.

蓝铃

小结一个目前可以实行的办法。这不是根本的解决之道，但可以解决一些日常应用问题。
希望SuSE 开发团队早日解决这个大 bug。

1 创建90-storage-nosync.fdi，包含一下内容：

1. 
   
2. <?xml version="1.0" encoding="ISO-8859-1"?> <!-- -*- SGML -*- -->
   
3. <deviceinfo version="0.2">
   
4.   <device>
   
5.     <!-- disable sync for mount -->
   
6.     <match key="block.is_volume" bool="true">
   
7.       <match key="volume.fsusage" string="filesystem">
   
8.         <match key="@info.parent:storage.bus" string="usb">
   
9.           <merge key="volume.policy.mount_option.sync" type="bool">false</merge>
   
10.         </match>
    
11.       </match>
    
12.     </match>
    
13.   </device>
    
14. </deviceinfo>
    

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2 复制到对应的目录

1. 
   
2. cp 90-storage-nosync.fdi /usr/share/hal/fdi/policy/20thirdparty
   

复制代码

3 重启服务

1. 
   
2. rchal restart
   

复制代码

蓝铃

顶一下.

robert_hoo

volume.mount_point = '/media/usbdisk'  (string)
  volume.label = ''  (string)
  volume.uuid = ''  (string)

jblbose

good

robert_hoo

up...

蓝铃

Post by robert_hoo
volume.mount_point = '/media/usbdisk'  (string)
  volume.label = ''  (string)
  volume.uuid = ''  (string)

Have you tried the "90-storage-nosync.fdi"?

xiao.bai

这个是当时的设计选择，因为用sync来mount的话，初级用户就不去学umount这样的命令。
现在SUSE开发团队正在研究更合理的解决方案。