[DRBD-user] drbd + 10gig network

Mike Lovell mike at dev-zero.net
Thu Oct 29 19:42:18 CET 2009

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

Igor Neves wrote:
> Hi,
> Are you still using software raid?
> Have you tryed out using hardware raid?
> The only time i had tryed out drbd with mdraid, well let's say, i 
> never will try that again, from now on, we only use areca raid cards. 
> Anyway, software raid it's slow, if you want to do this thing, buy 
> raid controllers, the best ones are areca, 3ware and lsi it's bad, 
> don't know all the others.
> Cheers,
> On 10/23/2009 10:40 PM, Mike Lovell wrote:
>> exaggerated the problem. when the sync hangs, the drbd module is 
>> almost completely unresponsive. i tried doing a pause-sync and then 
>> resume-sync thinking that it would nudge the module into working but 
>> the commands timeout on talking to the module. i can still cat 
>> /proc/drbd but that is about it until i take down the network 
>> interface and drbd detects the network change. if i then bring back 
>> up the interface, drbd detects it can talk again but then only syncs 
>> a couple of megabytes before stalling again. i have tried every way i 
>> can think of to check the integrity of the network link between the 
>> hosts and everything says they are fine except for during a ping 
>> flood there will be a few out of a couple h
yes, i am using software raid. i guess i didn't try changing that during 
my hardware changes. i'll see if i can scrounge up some raid controllers 
to test this with.


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