Re: How to safely remove an external SCSI device?
- From: "Richard B. Gilbert" <rgilbert88@xxxxxxxxxxx>
- Date: Thu, 22 Jan 2009 14:33:13 -0500
Cydrome Leader wrote:
Tim Bradshaw <tfb+google@xxxxxxxx> wrote:On Jan 21, 5:50?pm, Cydrome Leader <prese...@xxxxxxxxxxxxxx> wrote:
In all fairness, it's about as stupid as the steps to change speed orOther than the (regrettably common, I agree) case of misconfigured
duplex of a network interface under solaris.
switches, when would you want to do this? "Damn, my interface has
It's not switches that are wrong, it's always sun sparc based hardware and the intense desire for 100/half and other stupid stuff like that.
amusingly, any machine made by SUN that uses pro/1000 NICs works just fine with autonegotiate, on the same switches or cables.
I've never seen any other OS fail so hard at autonegotiate.
As for switches, take your pick of cisco 4000, 2900, 3500 or 3750 series. It's always sparc based stuff that doesn't work right. The ce cards seem a bit better than hme, but they're all fairly awful.
My SPARC stuff with the HME a/k/a "Happy Meal" interface works just fine at 100 full talking to my Linksys (Cisco consumer brand) router/switch.
I don't recall that we had any special problems with Sun hardware at work. Where the Sun stuff didn't work right, the PC/Windows systems had similar problems. The autonegotiation is done at hardware/firmware levels. Just plug it in and it's SUPPOSED to work something like this:
Computer: "I can do 100 full duplex"
Switch: "I'm happy with 100/full"
or:
Computer "I can do 100 full duplex"
Switch: What???????
Computer: "Okay, how about 10 full duplex?"
Switch: "I'm happy with 10/full"
I think it's actually a little more complicated than that, starting at 100/full, then 100/half, then 10/full and 10/half. Even more complicated now because gigabit ethernet has now been added to the mix though I don't know how widespread it has become. My hopelessly old fashioned hardware is all 10/100.
.
- References:
- How to safely remove an external SCSI device?
- From: Guido Winkelmann
- Re: How to safely remove an external SCSI device?
- From: James Carlson
- Re: How to safely remove an external SCSI device?
- From: Cydrome Leader
- Re: How to safely remove an external SCSI device?
- From: Tim Bradshaw
- Re: How to safely remove an external SCSI device?
- From: Cydrome Leader
- How to safely remove an external SCSI device?
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