[lug] USB drive fix

[Hugh Brown]

David L. Anselmi wrote:
> Landon Cox wrote:
>> but every morning when I'd look at my cron notifications, I would
>> discovery that the backup failed because the file system was
>> read-only.
> 
> By any chance did your mount say that on errors it should be remounted 
> read-only?
> 
>> Nov 19 07:29:54 hurricane kernel: [724306.332797] lost page write due 
>> to I/O error on sdb1
> [...]
>> echo 1 > /sys/block/$1/device/scsi_disk:*/allow_restart
> 
> Interesting.  I have a USB drive that spins down and takes a second to 
> spin back up when needed.  But it already allows restarts.  So I wonder 
> whether this is just an Ubuntu problem?
> 

I had a user with this problem under RHEL 4 and enabling allow_restart 
via /sys wasn't an option until we upgraded to RHEL 5.  I think it might 
be a function of the drive manufacturer as well.

Hugh