Cool, that works. Thanks --- Yura On Oct 15, 2010, at 3:52 PM, MORITA Kazutaka wrote: > At Fri, 15 Oct 2010 13:38:16 +0300, > Yuriy Kohut wrote: >> >> Hi, >> >> I'm using the following 'Getting Started' guide to configure simple cluster: >> http://www.osrg.net/sheepdog/usage.html >> >> I have configured cluster on 1 node/box, so the first questions are: >> Can I configure cluster on single node (1 box) under CentOS 5.5 x86_64 ? >> Is it required at least 3 nodes/boxes ... ? >> >> I have faced with the following issue on my single-node cluster. I have rebooted the box after my first image creation. The following done for that: >> - corosync is up and running >> udp 0 0 192.168.128.195:5404 0.0.0.0:* 3541/corosync >> udp 0 0 192.168.128.195:5405 0.0.0.0:* 3541/corosync >> udp 0 0 226.94.1.1:5405 0.0.0.0:* 3541/corosync >> >> - sheep is up and running >> tcp 0 0 0.0.0.0:7000 0.0.0.0:* LISTEN 3561/sheep >> >> - cluster is formatted with 1 copy only >> #collie cluster format --copies=1 >> >> - the image with prelocated data is created >> # qemu-img create sheepdog:test0 -o preallocation=data 4G >> >> >> So after such siple steps I got: >> # collie vdi list >> name id size used shared creation time vdi id >> ------------------------------------------------------------------ >> test0 1 4.0 GB 4.0 GB 0.0 MB 2010-10-15 12:42 fd34af >> >> >> Then I rebooted the box, and no image(s) are available for me after box came back. The vdi list just show nothing: >> # collie vdi list >> name id size used shared creation time vdi id >> ------------------------------------------------------------------ >> >> and 'collie vdi list' never ends ... >> corosync and sheep are still running. >> >> >> Could somebody assist me with that. > > Sorry, the following patch will fixes the problem. > > = > From: MORITA Kazutaka <morita.kazutaka at lab.ntt.co.jp> > Subject: [PATCH] sheep: call start_recovery when cluster restarts with one node > > Sheepdog recovers objects before starting a storage service, and the > routine is called when nodes are joined. However If sheepdog consists > of only one node, no node doesn't send join messages, so > start_recovery doesn't called. This patch fixes the problem. > > Signed-off-by: MORITA Kazutaka <morita.kazutaka at lab.ntt.co.jp> > --- > sheep/group.c | 3 +++ > 1 files changed, 3 insertions(+), 0 deletions(-) > > diff --git a/sheep/group.c b/sheep/group.c > index ba8cdfb..86cbdb8 100644 > --- a/sheep/group.c > +++ b/sheep/group.c > @@ -1226,6 +1226,9 @@ static void __sd_confchg_done(struct cpg_event *cevent) > > update_cluster_info(&msg); > > + if (sys->status == SD_STATUS_OK) /* sheepdog starts with one node */ > + start_recovery(sys->epoch, NULL, 0); > + > return; > } > > -- > 1.5.6.5 > |