On Thu, Aug 24, 2006 at 04:56:03PM +0200, Bachman Kharazmi wrote:
> I use hotplugd to attach my usbstick. I works well, but I miss a
> detach script which I couldn't find as a example in the manual so I
> wonder if it's necessary. I've tried once to just disconnect the stick
> without umounting the FS manually, and it worked.
>
> messages shows:
> Aug 24 16:24:54 venus /bsd: umass1: SanDisk Corporation Cruzer Micro,
> rev 2.00/0.10, addr 2
> Aug 24 16:24:54 venus /bsd: umass1: using SCSI over Bulk-Only
> Aug 24 16:24:54 venus /bsd: scsibus2 at umass1: 2 targets
> Aug 24 16:24:54 venus /bsd: sd1 at scsibus2 targ 1 lun 0: <SanDisk,
> Cruzer Micro, 0.1> SCSI2 0/direct removable
> Aug 24 16:24:55 venus /bsd: sd1: 488MB, 488 cyl, 64 head, 32 sec, 512
> bytes/sec, 1000944 sec total
> Aug 24 16:36:57 venus /bsd: umass1: at uhub3 port 1 (addr 2) disconnected
> Aug 24 16:36:57 venus /bsd: sd1 detached
> Aug 24 16:36:57 venus /bsd: scsibus2 detached
> Aug 24 16:36:57 venus /bsd: umass1 detached
>
> Can it cause any damage on a FS if I remove a usb device that is
> mounted by hotplugd?
Yes.
You are free to unplug the stick, *after* you have umounted all mounted
filesystems. With the proper options and a reasonably low load, it might
happen to work, but...
Joachim
