Re: USB Buffering Issue

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The 02/12/11, Paul Gideon Dann wrote:
> On Friday 02 Dec 2011 11:54:45 Timothy Redaelli wrote:
> > Hi,
> > by default linux mounts the devices with the async option.
> > You can mount using the sync option, so you are sure that the I/O is
> > made synchronously.
> > Just remember: "In case of media with limited number of write cycles
> > (e.g. some flash drives) "sync" may cause life-cycle shortening."
> > (from man 8 mount)
> 
> Yes, that's probably it.  I don't see "sync" in the mount options, so I'm 
> guessing it's being mounted async.  Shouldn't udev be taking care of this for 
> usb drives?

No. udev is basically for devices discovery and naming them in /dev.

> By the way, I'm mounting the drive via udisks (from KDE).  So noone else is 
> seeing this?

Before trying any sync mount option, try to manually sync disks with the
sync command to check if it fixes you issue.

-- 
Nicolas Sebrecht


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