On Thu, Feb 26, 2015 at 2:11 PM, Steve Holdoway <[email protected]> wrote:
> On Thu, 2015-02-26 at 13:58 +1300, C. Falconer wrote:
>> Volker Kuhlmann wrote, On 25/02/15 00:05:
>> > On Tue 24 Feb 2015 20:51:38 NZDT +1300, C. Falconer wrote:
>> >> But my TV drive is reporting imminent fail, so I'm going to deal to
>> >> that.   Comments?
>> > Copying off asap is a wise move. But using NFS for that?!??
>> Why not?
>> It was one way to get the full 3TB visible while not powering off the
>> existing server.
>> I didn't want to power down the failing disks because they're still
>> running, and might not come back.
>>
>> The point of my post  was about NFS and mounts lower down the tree not
>> working as I expected.
>>
>>
>> > USB<->SATA bridges and SATA chipsets may all have a max size for the disk 
>> > you can connect to them, probably especially the USB stuff. For
>> > this kind of exercise (copying 3TB around) USB doesn't cut the mustard 
>> > (too slow, too much trouble) and a direct SATA connection is desirable.
>> > Don't you have any computer with a spare SATA slot that can handle 3TB? 
>> > You don't even have to power that computer down, just connect SATA data
>> > cable and power the disk somehow. If the SATA chipset is properly 
>> > supported under Linux a hotplug event will make the disk available soon
>> > after. I've done it several times. (No, do not hotplug other stuff on the 
>> > mobo, like plug-in cards...)
>> >
>> > rsync is the way to go for copying (though it may truncate time stamps to 
>> > full seconds), but more like over TCP or ssh, not NFS?!??
>>
>> I had SATA drive in one machine, NFS over gig ethernet to another
>> machine, and SATA to the disk.
>> Worked well enough and was done by morning.
>> There is no USB used (because it didn't show the full space, which lead
>> to using a second machine)
>>
>>
>> I could have used rsync over ssh, no reason to choose one over the other.
>>
>> I'll synch the other drive using rsync over ssh to see if there's any
>> noticeable difference.
>>
> Not too sure why Volker is maligning NFS - it's pretty good at what it
> does that's for sure.
>
> There's no need to use rsync over ssh - just use rsync. As this is
> primarily multimedia data it ain't gonna compress is it?
>
> Just use the format [email protected]::/remote/dir rather than a single
> colon.

I like that tip, thanks. I shift a lot of files around my house via rsync.
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