Clint Moore [clint@xxxxxxxxxxxxxx] wrote: > > Hopefully I'm doing something just as dumb this time as last time. > > /dev/sdc and /dev/sdd are iscsi targets. > > Cliff notes version is, after setting up ioband and adding a weight to two > filesystems per the website docs, I can't mount them anywhere. I tried > this with a local device as well as iscsi targets. Here's what I did to do > this, perhaps I'm missing a step or something? > > > [root@gurn 302]# mount /dev/sdd1 /mnt > [root@gurn 302]# df -k > Filesystem 1K-blocks Used Available Use% Mounted on > ... > /dev/sdd1 1031888 172316 807156 18% /mnt > [root@gurn 302]# umount /mnt > [root@gurn 302]# mount /dev/sdc1 /mnt > Filesystem 1K-blocks Used Available Use% Mounted on > ... > /dev/sdc1 1031888 172316 807156 18% /mnt > [root@gurn 302]# umount /mnt > > So the filesystems mount ok otherwise... > > [root@gurn 302]# blockdev --getsize /dev/sdc1 > 2096753 > [root@gurn 302]# echo "0 2096753 ioband /dev/sdc1 1" | dmsetup create > ioband2 > [root@gurn 302]# blockdev --getsize /dev/sdd1 > 2096753 > [root@gurn 302]# echo "0 2096753 ioband /dev/sdd1 1" | dmsetup create > ioband1 > [root@gurn 302]# dmsetup message ioband1 0 weight 40 > [root@gurn 302]# dmsetup message ioband2 0 weight 10 > [root@gurn 302]# dmsetup ls --target ioband > ioband2 (253, 1) > ioband1 (253, 0) > [root@gurn 302]# > > [root@gurn 302]# mount /dev/sdc1 /mnt > mount: /dev/sdc1 already mounted or /mnt busy Try mounting ioband devices. E.g. : mount /dev/mapper/ioband1 /mnt or mount /dev/mapper/ioband2 /mn You can NOT use /dev/sdc1 or /dev/sdd1 after creating ioband devices from them. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel