Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
/ 2004-10-13 02:05:54 +0000 \ nhat tran: > > Hi, > > I was experimenting by switching nodes between primary and secondary (as per > http://linuxha.trick.ca/DRBD_2fQuickStart07), where it suggests you > can: > > ssh root@$left -- 'mkdir -p /mnt/ha0; mount /dev/drbd0 /mnt/ha0 && > touch /mnt/ha0/been_there' > > # 'switch over' > ssh root@$left -- 'drbdadm secondary all' > # even during sync! > ssh root@$right -- 'drbdadm primary all' > > > Yet it complains with the following error: > > node2# drbdadm secondary all > ioctl(,SET_STATE,) failed: Device or resource busy Someone has opened the > device for RW access! > Command '/sbin/drbdsetup /dev/drbd0 secondary' terminated with exit > drbdsetup exited with code 20 node2# > > The device is mounted RW, but so is it in the example above (unless I am > missing something) urban myths have it that examples may sometimes be wrong. maybe there is a umount missing from that example? always use your common sense :-/ thanks, I'll fix it on that page later (unless someone else fixes it first. after all, its a wiki ...) Lars Ellenberg -- please use the "List-Reply" function of your email client.