Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
> Hi Mike, > yes i'm sure the interface is right... Checking it with ifconfig i see > tons of gigabytes transferred on the crossover interface and no data on > the esternal > interface during sync and with tcpdump too. > As i said before i hope there is something to modify in the config to > reach more speed. > > This are the results of syncing 2 different resources (56Gb each) on the > same 2 machines and disks at the same time: > > drbd0: Resync done (total 4428 sec; paused 0 sec; 9992 K/sec) > drbd0: drbd0_worker [31817]: cstate SyncSource --> Connected > drbd1: Resync done (total 5556 sec; paused 0 sec; 10568 K/sec) > drbd1: drbd1_worker [31821]: cstate SyncSource --> Connected > > So the connection is able to reach at least 20Mb/sec using drbd. The > problem seems to be the stability. When i sync only one resource i get > no more than 14/15Mb/sec as average. Instead syncing 2 resources the > average goes to 20Mb/sec so it seems to be really some limitation > on the drbd resource sync. > > Someone else around have a similar config: > > 2 HP Proliant DL380 with 2 processors Xeon 3Ghz 2 GB ram. > 2 disks SCSI Ultra 320 of 146 Gb in raid 1 on each machine with Smart > array 6i controller? > When I did the initial (~300GB) sync from the internal raid-1 of one Dell PowerEdge 1950 to another identical one (both 2 x Xeon) across a GigE x-over cable, I was averaging ~55MB/sec, which is about the limits of those systems. Mark. -- Mark Watts BSc RHCE MBCS Senior Systems Engineer QinetiQ Trusted Information Management Trusted Solutions and Services Group GPG Key: http://keyserver.veridis.com:11371/search?q=0x455420ED -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: not available URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20070621/835d5073/attachment.pgp>