[OpenAFS] UDP slowness remedies?
Jason Edgecombe
jason@rampaginggeek.com
Fri, 22 Oct 2010 19:55:08 -0400
On 10/22/2010 02:44 PM, Dan Pritts wrote:
> Others will have to chime in on tuning the server for vos move. I have one thought that might or might not help - do something like this from a host at source site. I am far from sure of the syntax but you get the idea:
>
> vos dump srv part vol | ssh host-at-target-site vos restore srv part vol
>
> hmm, probably simplest to have the target-site host be your fileserver or otherwise havea copy of the server key, and use -localauth.
>
> If the volume is actively being written to this will probably not do what you want, and you'll run into issues with ssh limiting your throughput, too, but it's a possible option.
>
> re ssh transfer slowness, see PSC's patches to openssh.
>
> also, "never underestimate the bandwidth of a station wagon full of magnetic tape." Which I wouldn't want to do, either, but I like saying it :)
>
If you can schedule enough down time, then disconnecting the disks and
physically moving them to the new site might be worthwhile. If I recall
correctly, just reattach the disks and run "vos syncserv"
Jason