andy liebman wrote: > .. > Thanks for your reply, and the suggestions of others. I'm going to > look into both NBD and DRBD. > > Actually, I see that my idea to export an iSCSI target from Server B, > mount it on A, and just create a RAID1 array with the two block > devices must be very similar to what DRBD is doing, but my guess is > that DRBD, with it's "heartbeat" signal, is probably more robust at > error handling. I'd love to hear from somebody who has experience with > DRBD. > > By the way, I use 3ware 9550SX cards. On a 16 drive RAID-5 SATA array, > I can get sequential reads that top 600 MBs/sec. That's megabytes, not > megabits. And write speeds are close to 400 MB/sec with the new faster > on-board XOR processing. And random reads are at least 200 MB/sec. So, > 10 GbE is a must, really. > > Andy > Hi Andy. A couple of other suggestions that may prove helpful: 1) EVMS http://evms.sourceforge.net/ 2) Lustre http://www.clusterfs.com/ http://www.lustre.org/ -- With our best regards, Maurice W. Hilarius Telephone: 01-780-456-9771 Hard Data Ltd. FAX: 01-780-456-9772 11060 - 166 Avenue email:maurice@xxxxxxxxxxxx Edmonton, AB, Canada http://www.harddata.com/ T5X 1Y3 - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
