Hi, Sure. I'll let you know results. Thank you. --- Yura On Oct 19, 2010, at 11:46 AM, MORITA Kazutaka wrote: > 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 |