Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
New to DRBD; using it with two Dell PE2900 systems, CentOS 5.5 64-bit. Two questions: (1) I am using dual back-to-back gigabits with mtu=9000 for replication with bonding in balance-rr mode with no issues. The documentation suggests that active-backup mode be used. I'm getting an iperf performance across this link of 1.97 Gbits/sec, and a drbd sync of a single volume gets about 133 MB/sec, which is just a hair quicker than bonnie++ tells me that this file system can block-write. I'm interested in why the active-backup recommendation, and other folks' experiences with bonding. (2) System A (primary) and system B (secondary). If B is shut down, A maintains a list of out-of-sync blocks for B. Where is this kept? If in the metadata (internal), how often is it updated on disk? If A is shut down and rebooted before B comes alive, any chance of losing any updates? Steve ---------------------------------------------------------------------------- Steve Thompson E-mail: smt AT vgersoft DOT com Voyager Software LLC Web: http://www DOT vgersoft DOT com 39 Smugglers Path VSW Support: support AT vgersoft DOT com Ithaca, NY 14850 "186,300 miles per second: it's not just a good idea, it's the law" ----------------------------------------------------------------------------