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From Magnus Janson <mag...@fnutt.us>
Subject Re: CloudStack secondary storage capacity issue
Date Tue, 19 Nov 2013 17:08:22 GMT
So I did some more digging, and found out that I couldn't mount my drive
correctly via the SSVM either. It takes extremely long time to mount it,
and it seems like the routes are all messed up so it's not correctly
mounting it in the end either.

It seems that my management and storage networks are not separated in
CloudStack. My SAN storage network is on 172.30.11. and management on
10.100.38.

The SSVM tries to route the traffic for my SAN storage over my management
network. It seems like it's using IP's from the range specified for my
management network.

I've added the SAN ip range to PhysicalNetworksInBasicZone->Storage but
that doesn't seem to have any effect at all.

root@s-19-VM:~# ip route
default via 10.100.38.129 dev eth2
10.100.32.20 via 10.100.38.129 dev eth1
10.100.37.26 via 10.100.38.129 dev eth1
10.100.38.128/25 dev eth1  proto kernel  scope link  src 10.100.38.130
10.100.38.128/25 dev eth2  proto kernel  scope link  src 10.100.38.135
10.100.38.128/25 dev eth3  proto kernel  scope link  src 10.100.38.131
169.254.0.0/16 dev eth0  proto kernel  scope link  src 169.254.0.167
172.30.11.20 via 10.100.38.129 dev eth1

How do I configure the SSVM to use 172.30.11. network for SAN?


2013/11/19 Magnus Janson <magnus@fnutt.us>

> Hi All,
>
> I'm having an issue with CloudStack 4.2 (KVM) and secondary storage.
> CloudStack reports that 100% is used, according to CloudStack the capacity
> is 275.98MB but the capacity is actually 1.7T.
>
> Dashboard reports:
> Secondary Storage
> 275.98 MB / 275.98 MB
>
> Infrastructure -> Secondary Storage settings:
> Name: secondary
> URL: nfs://172.30.11.20/mnt/vg2/vol2/nfs2
> Provider: NFS
>
> Checking the storage from centos (mounted the nfs share temporarily):
> [root@host root]# df -h
> Filesystem                                Size  Used   Avail  Use%
>  Mounted on
> 172.30.11.20:/mnt/vg2/vol2/nfs2  1.8T  460M  1.7T   1%
>  /mnt/secondary
>
> select id,name,status,type,resource_state,available,capabilities,version
> from cloud.host where type='SecondaryStorageVM';
> > '2', 's-19-VM', 'Up', 'SecondaryStorageVM', 'Enabled', '1', NULL, '4.2.0'
>
> I've been checking the management-servers logfiles but can't find any clue
> to what's causing this.
>
> As far as I can see the, the device is mounted correctly. I really don't
> understand why df -h would report 1.7T when the device is mounted, while
> CloudStack can only find/use a total of 275.98 MB.
>
> I don't know how to continue the troubleshooting, any help in the right
> direction from you guys would be highly appreciated.
>
> Best Regards,
> Magnus Jansson
>

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