[Sheepdog] The system is still booting

[Wido den Hollander]

Hi,

Well, re-running fixed it, but i ran a mkfs before.

But i'm up and running again, will get back to testing right now.

-- 
Met vriendelijke groet,

Wido den Hollander
Hoofd Systeembeheer / CSO
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On Fri, 2010-04-09 at 13:00 +0000, MORITA Kazutaka wrote:
> Hi,
> 
> Thanks for trying.
> 
> On 2010/04/09 21:21, Wido den Hollander wrote:
> > root at osd1:~# /usr/local/bin/qemu-img create -f sheepdog vm002 50G
> > Formatting 'vm002', fmt=sheepdog size=53687091200 
> > do_sd_create 1143: The system is still booting, vm002
> > qemu-img: Error while formatting
> > root at osd1:~#
> > 
> > Now that seems odd, but when checking my cluster i got:
> > 
> > root at osd1:~# shepherd info -t cluster
> > startup
> > 
> > Ctime              Epoch Nodes
> 
> Did you run `shepherd mkfs`?
> Sheepdog doesn't accept any operations until mkfs is invoked.
> 
> > root at osd1:~# shepherd info -t sheep
> > Id	Size	Used	Use%
> > 
> > Total	0.0 MB	0.0 MB	-2147483648%, total virtual VDI Size	0.0 MB
> > root at osd1:~#
> > 
> > As you can see the sizes of the nodes is not detected correctly..
> > 
> 
> I think you can get the right information after running `shepherd mkfs`.
> The following patch fix showing wrong message when shepherd cannot any
> information from cluster nodes.
> 
> diff --git a/shepherd/shepherd.c b/shepherd/shepherd.c
> index 471c0e1..fb554b0 100644
> --- a/shepherd/shepherd.c
> +++ b/shepherd/shepherd.c
> @@ -926,6 +926,7 @@ int info(enum info_type type, enum format_type format, char *name,
>  	int i, ret = -1;
>  	uint64_t total_size = 0, total_avail = 0, total_vdi_size = 0;
>  	char total_str[8], avail_str[8], vdi_size_str[8];
> +	int success;
> 
>  	if (real_time) {
>  		setupterm(NULL, 1, (int *)0);
> @@ -983,6 +984,7 @@ rerun:
>  	case INFO_SHEEP:
>  		printf("Id\tSize\tUsed\tUse%%\n");
> 
> +		success = 0;
>  		for (i = 0; i < nr_nodes; i++) {
>  			char name[128];
>  			int fd;
> @@ -1010,9 +1012,11 @@ rerun:
>  			size_to_str(rsp->store_size, store_str, sizeof(store_str));
>  			size_to_str(rsp->store_size - rsp->store_free, free_str,
>  				    sizeof(free_str));
> -			if (!ret && rsp->result == SD_RES_SUCCESS)
> +			if (!ret && rsp->result == SD_RES_SUCCESS) {
>  				printf("%2d\t%s\t%s\t%3d%%\n", i, store_str, free_str,
>  				       (int)(((double)(rsp->store_size - rsp->store_free) / rsp->store_size) * 100));
> +				success++;
> +			}
> 
>  			total_size += rsp->store_size;
>  			total_avail += rsp->store_free;
> @@ -1020,6 +1024,12 @@ rerun:
> 
>  		printf("\n");
> 
> +		if (success == 0) {
> +			fprintf(stderr, "cannot get information from any nodes\n");
> +			ret = -1;
> +			break;
> +		}
> +
>  		parse_vdi(cal_total_vdi_size, &total_vdi_size);
> 
>  		size_to_str(total_size, total_str, sizeof(total_str));
>