Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Sep 18, 2009, at 9:22 AM, Jürgen Scholz wrote: > Hello! > >> I'm not so concerned with raid1+0 vs raid0+1 but the use of >> striping on the same volume between two active nodes. Any pros/ >> cons for md or lvm striping? Or more specifically, are they >> considered safe in this setup or will corruption slowly come about? > You shouldn't use two drbd-devices for one filesystem. If one > resource disconnects and the other doesn't your data will be > inconsistent. This setup is way to risky. > Build your RAID on a per host base, so that you export one block- > device per filesystem or LVM-group. This way you won't have to face > more data integrity issues than necessary. > Indeed, unless you're using something like GFS. I stripped out any filesystems to simplify the example. All testing has been done with a clustered filesystem. -- Matth