make gnt-node work with vg and lv emulation

[ganeti-extstorage-zfs] / README

diff --git a/README b/README
index 1e64cc7..82b71c7 100644 (file)
--- a/README
+++ b/README
@@ -34,6 +34,31 @@ Now ssh into ganeti master node and do following:
        -o debootstrap+default \
        -B maxmem=1G -n arh-hw zfs
 
+4. install helper scripts for daily block snapshots
+
+  ln -sf /usr/share/ganeti/extstorage/zfs/bin/daily-block-snapshot /etc/cron.daily/
+
+5. install lvm wrapper scripts to report zfs volumes as lv
+
+  find /usr/share/ganeti/extstorage/zfs/sbin/ -type f | xargs -i ln -v -s -f {} /sbin/
+
+This scripts enable gnt-node commands to work:
+
+root@vmh02:/home/dpavlin# gnt-node list arh-hw
+Node               DTotal DFree MTotal MNode MFree Pinst Sinst
+arh-hw.gnt.ffzg.hr  87.8G 87.2G   7.8G  252M  5.6G     1     0
+
+root@vmh02:/home/dpavlin# gnt-node list-storage arh-hw
+Node               Type   Name     Size  Used   Free Allocatable
+arh-hw.gnt.ffzg.hr lvm-vg arh-hw 190.0G 62.7G 127.3G Y
+arh-hw.gnt.ffzg.hr lvm-vg ffzgvg  87.8G  610M  87.2G Y
+
+
+HELPER SCRIPTS
+
+Helper scripts in bin directory to list volumes, show size or snapshots.
+
+
 KNOWN BUGS
 
 - in current ganeti, gnt-backup export doesn't work because extstorage