Hi, At Fri, 15 Oct 2010 17:33:18 +0300, Yuriy Kohut wrote: > > One more new issue with TGTd. > > Initially we have one sheepdog vdi (on which we would like to create iscsi unit) and no tgt targets/units: > [root at centos ~]# tgtadm --op show --mode target > [root at centos ~]# 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 17:55 fd34af > [root at centos ~]# > > > Creating new target: > [root at centos ~]# tgtadm --op new --mode target --tid 1 -T some.vps:disk0 > [root at centos ~]# tgtadm --op show --mode target > Target 1: some.vps:disk0 > System information: > Driver: iscsi > State: ready > I_T nexus information: > LUN information: > LUN: 0 > Type: controller > SCSI ID: IET 00010000 > SCSI SN: beaf10 > Size: 0 MB > Online: Yes > Removable media: No > Readonly: No > Backing store type: null > Backing store path: None > Backing store flags: > Account information: > ACL information: > [root at centos ~]# > > > Try to create new logicalunit on existing tgt target and sheepdog vdi: > [root at centos ~]# tgtadm --op new --mode logicalunit --tid 1 --lun 1 -b test0 --bstype sheepdog > > > But the process never ends. > Please advise ... Thanks for your report. Can you try the following patch I sent minutes ago? http://lists.wpkg.org/pipermail/sheepdog/2010-October/000741.html Thanks, Kazutaka > --- > Yura > > On Oct 15, 2010, at 4:55 PM, Yuriy Kohut wrote: > > > 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 > >> > > > > -- > > sheepdog mailing list > > sheepdog at lists.wpkg.org > > http://lists.wpkg.org/mailman/listinfo/sheepdog > > -- > sheepdog mailing list > sheepdog at lists.wpkg.org > http://lists.wpkg.org/mailman/listinfo/sheepdog |