This guy on ServerFault recommends it, too - http://serverfault.com/a/27514/4392
I think it's going to boil down to practice. Work on doing it to something that doesn't hate being unplugged so much as a computer does. Maybe a monitor or something similar. --Matt On Thu, Dec 29, 2011 at 11:17 PM, Luke S. Crawford <[email protected]> wrote: > So I've got to move a handful of co-lo customers on to new PDUs > soon. all the dual power supply customers were easy; we are down to the > single power supply customers. You know how it is, I really want a > customer standing by when I reboot something, as they don't always come > back up, and the customer is far better equipped to deal with that, even > if they are remote (I have serial everything) than I am; Or, even if > I'm better equipped, I'd prefer they were there driving. Last time I did > this, one customer gave me a root login on his system and told me to just > go > when I felt like it. His PSU blew, and he was unreachable via phone. > I ended up just replacing the PSU for him, I mean, it's not like I don't > have a supermicro parts dump in my office, and it worked out okay, I > told him to buy me a new PSU and then give me what he thought was fair > for the labor 'cause he didn't approve it so I didn't feel right quoting > prices. he was pretty happy and paid me more than I would have asked for > but eh, it could have gone either way, you know? I'd really rather have the > customer around rather than cleaning up myself. > > So apparently there exists products for moving power plugs while keeping > them powered. "Plug capture device"[1] - you pull the cord 1/8th inch > from the outlet, slip this thing over that contacts the hot and neutral > tong > and you pull it out. this device then starts supplying power as soon as > mains power is disconnected, and then you can reverse the process to put > the > plug into another outlet and remove the device. - it looks like the > product is targeted at law enforcement (It comes with a USB "mouse > jigglier" > so the screen doesn't lock meanwhile.) but the demo [2] sure makes it > look like exactly what I need to move servers from one PDU to another. > (though, it also looks like it might increase my workman's comp bill. > Well, I end up doing almost all the hardware work myself anyhow, and I'd > be willing to do this myself, too, so eh.) > > Anyhow, the thing is reasonably cheap; if it works reliably, heck five > hundred bucks would be cheap to avoid scheduling the moves I've got to > schedule in the next few weeks. (let us just say I chose poorly when > purchasing PDUs many years ago. An older and wiser me (with more capital) > wants to rectify the mistake.) and if it is reliable, there are all sorts > of uses I can think of for it in the future, especially as I've got to > deal with a lot of customer gear that I don't have a login on. > > Of course, if the thing isn't reliable, it's not worth using if even one > of the servers reboots uncleanly. > > > > [1]http://www.wiebetech.com/products/HotPlug.php > > [2]http://www.wiebetech.com/videos/HPLT_Demo.php > Obviously, the "plug capture device" you see at the end is what I want- > the power strip capture would do me little good, as the point of this > exercise is to move the servers off the pdu, not to move the pdu itself. > > -- > Luke S. Crawford > http://prgmr.com/xen/ - Hosting for the technically adept > http://nostarch.com/xen.htm - We don't assume you are stupid. > _______________________________________________ > Tech mailing list > [email protected] > https://lists.lopsa.org/cgi-bin/mailman/listinfo/tech > This list provided by the League of Professional System Administrators > http://lopsa.org/ > -- LITTLE GIRL: But which cookie will you eat FIRST? COOKIE MONSTER: Me think you have misconception of cookie-eating process.
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