Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
rois wrote: > I'm running XFS on top of DRBD on top of LVM on top of a hardware > RAID-5. My reasoning was I didn't want to leave a ton of room for my > system and log files but wanted to be able to expand them later if I > needed to. I figured the easiest way was to put my whole HWRaid-5 Array > into the LVM and then parse it out as needed. I'm also running several > servers/apps on this cluster whose data I wanted isolated so one service > couldn't be crashed by another one using all the space up. This also > seemed the most flexible. > > /dev/sda1 (100%) -> vg0 (lvm2) [sda1 is my HWRAID-5 array] > > /dev/vg0 > vg0/root “/” (1G) xfs filesystem > vg0/var “/var” (1G) xfs filesystem > vg0/swap “swap” (1g) swap > > drbd0 = /dev/vg0/home - HA mounts drbd0 on /home (XFS) > drbd1 = /dev/vg0/mysql - HA mounts drbd1 on /mnt/mysql (XFS) > drbd2 = /dev/vg0/basic - HA mounts drbd2 on /usr/lib/basic (XFS) > drbd3 = /dev/vg0/smb - HA mounts drbd3 on /mnt/smb (XFS) I have a similar configuration....raid5 -> lvm -> drbd For me it was actually a instictive choise...normally i use almost everywhere lvm on top of hw raid, so i even didn't think too much about the opposite situation (drbd -> lvm). > Expanding the drbd's is a little bit of a hassle but since I should have > to do it that often I don't care that much. These i din't try > I wonder if there is a > linux quota service somewhere that could monitor directory usage instead > of using partitions to do that. Hadn't thought of that before but may > need to look into it. Expanding a quota (like on a webserver) would be > a lot easier. Oh well. Xfs has a directory quota service...I used it on a file server once and was workinig pretty well. http://linux.die.net/man/8/xfs_quota Pier