Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Also make sure that the interface is set to giga-bit using either ethtool or
mii-tool
On 6/20/07, Mike Tewner <tewner at gmail.com> wrote:
>
> in drbd.conf
> common { syncer { rate 100M; } }
>
> Make sure that the hostnames in the drbd.conf resolve to the IP of the
> interface with the crossover
>
> On 6/20/07, Marcello Lupo <mlist at itspecialist.it> wrote:
> >
> > Hi to all,
> > i'm making a new installation on SLES 10 x86_64 on 2 HP Proliant DL380
> > multiprocessor servers with 2 Ultra 320 SCSI disks of 146 Gb in raid1 on
> > each using Smart Array 6i hardware raid controller. Both servers have
> > 2GB ram.
> > The 2 servers are connected on public network on eth0 and connected with
> > cross cable on eth1 dedicated for sync of drbd, both Gigabit ethernet.
> > When i make scp of one big file from one server to the other i reach
> > 50Mb/sec speed. If i force the sync of the partitions to drbd with
> > invalidate_remote it do not go over 12 Mb/sec.
> >
> > version: 0.7.21 (api:79/proto:74)
> > SVN Revision: 2341 build by lmb at dale, 2006-08-10 14:19:54
> > 0: cs:SyncSource st:Primary/Secondary ld:Consistent
> > ns:41370104 nr:0 dw:0 dr:41371732 al:0 bm:6109 lo:0 pe:201 ua:407
> > ap:0
> > [==============>.....] sync'ed: 70.5% (16949/57349)M
> > finish: 0:22:15 speed: 12,968 (12,672) K/sec
> >
> > It seems like it is limited to network connection of 10Mbit.
> > i tried with rate option to 50M,40M,30M and it is the same.
> > I'm using protocol C.
> >
> > Partitions are as follows:
> >
> > Device Boot Start End Blocks Id System
> > /dev/cciss/c0d0p1 * 1 13 104391 83 Linux
> > /dev/cciss/c0d0p2 14 536 4200997+ 82 Linux
> > swap / Solaris
> > /dev/cciss/c0d0p3 537 3147 20972857+ 83 Linux
> > /dev/cciss/c0d0p4 3148 17848 118085782+ f W95
> > Ext'd (LBA)
> > /dev/cciss/c0d0p5 3148 10458 58725576 83 Linux
> > /dev/cciss/c0d0p6 10459 17769 58725576 83 Linux
> > /dev/cciss/c0d0p7 17770 17848 634536 83 Linux
> >
> > Partitions for the system are p1/p2/p3, partitions to be synced are p5
> > and p6 (now testing only with p5), i'm using the last partition p7 as
> > metadisk partition.
> >
> > DRBD version 0.7.21 and kernel 2.6.16.27-0.9-smp x86_64
> >
> > If you have any clue on the possible cause please let me know. May be
> > this speed is normal for this kind of environment or may be i have to
> > tune some network parameters.
> > Thanks,
> > Bye,
> > Marcello
> >
> > _______________________________________________
> > drbd-user mailing list
> > drbd-user at lists.linbit.com
> > http://lists.linbit.com/mailman/listinfo/drbd-user
> >
>
>
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