Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
I'm a little confused. DRBD and iSCSI are totally different things. What exactly are you trying to do, architecturally? On Wed, Oct 14, 2009 at 10:21 PM, Mike Lovell <mike at dev-zero.net> wrote: > first off, hello everybody. i'm somewhat new to drbd and definitely new to > the mailing list. > > i am try to set up a cheap alternative to a iscsi san using some somewhat > commodity hardware and drbd. i happen to have some 10 gigabit network > interfaces around so i thought it would be a great interconnect for the drbd > replication and probably as the interconnect to the rest of the network. > > things were going well in my small proof of concept but when i made the jump > to the 10 gigabit network interfaces, i started running into troubles with > drbd not being able to complete a synchronization. it will get anywhere > between 5 and 15 percent done (on a 2TB volume) and the stall. the only > thing i have been able to do to get things going again is to take down the > network interface, stop drbd, bring back up the interface, start drbd, and > wait for it to stall again. i have to take down the network interface > because drbd wont respond until then. > > in dmesg on the node with the UpToDate disk, i see errors like this in the > kernel log. > > [191401.876167] drbd0: Began resync as SyncSource (will sync 1809012776 KB > [452253194 bits set]). > [191409.068152] drbd0: [drbd0_worker/24334] sock_sendmsg time expired, ko = > 4294967295 > [191416.533556] drbd0: [drbd0_worker/24334] sock_sendmsg time expired, ko = > 4294967294 > [191423.531804] drbd0: [drbd0_worker/24334] sock_sendmsg time expired, ko = > 4294967293 > [191429.888326] drbd0: [drbd0_worker/24334] sock_sendmsg time expired, ko = > 4294967292 > [191437.658299] drbd0: [drbd0_worker/24334] sock_sendmsg time expired, ko = > 4294967291 > > in my trouble shooting, i tried changing the replication to use the gigabit > network interfaces already in the system and the synchronization completed. > i also tried a newer kernel and a new version of drbd. > > i am doing this on debian lenny using the 2.6.26 kernel and drbd 8.0.14 that > are with the distro. the system is a single opteron 2346 on a supermicro > h8dme-2 with a intel 10 gigabit nic. the underlying device is a software > raid10 with linux md. i did try a 2.6.30 kernel and drbd 8.3 but it didn't > help. > > has anyone seen anything like this or have any recommendations? > > thanks in advance > > mike > > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user > -- Chris Chen <muffaleta at gmail.com> "The fact that yours is better than anyone else's is not a guarantee that it's any good." -- Seen on a wall