Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Thanks Gary. I was planning on using a RAID 10 configuration, so writes are a lot faster than RAID 5. In any case, if I did get a configuration with a powerful RAID controller capable of this type of throughput, would DRBD in any way be a bottleneck? I would think the deltas are a lot let than the actual data written, so it shouldn't be a bottleneck. However, if anyone would care to comment on their own database experience, that would be lovely. Thanks for your time :D --- "Gary W. Smith" <gary at primeexalia.com> wrote: > Rik, > > I believe in your case it's going to be all about > the speed of the drives. I'm not sure that even 8 > 10k rpm drives configured with stripe/parity will > achieve this in a standard environment. > > The bigger question isn't the speed of the writes > but rather the delta changes per second to the > database. > > > -----Original Message----- > From: drbd-user-bounces at lists.linbit.com on behalf > of Rik Herrin > Sent: Thu 3/9/2006 3:06 AM > To: drbd-user at lists.linbit.com > Subject: [DRBD-user] Anyone Get Write Speeds over > 150MB/s Writes using DRBD? > > Hi, > I am currently evaluating the use of drbd for > real-time replication of an Oracle DB. The hardware > that the Oracle DB will be running on involves 2 > dual-core AMD Opterons, 4 GB RAM, an LSI MegaRAID > 320-2X SCSI RAID Controller with 512MB NVRAM, and > 10k > SCSI Hard drives (8 of them). An Intel Pro/1000 MT > Quad Pro Server Adapter card will be used for > networking, with 2 ports dedicated to the DRBD > connection to a similarly configured machine. Would > drbd be a bottleneck in this configuration? The NIC > should be able to deliver about 180MB/s or so and so > should the SCSI RAID controller. Anyone have > experience with this type of hardware? Thank you > for > your time. > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam > protection around > http://mail.yahoo.com > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com