openstack team mailing list archive

[Greg Chavez <greg.chavez@xxxxxxxxx>]

Razique,

Yes.  We have the OS on a RAID 1 and the rest of the disks are in a RAID
10. However, should we go with the Compute+Swift Node architecture, we'll
be using this:

[root@kvm-cs-gen-09i ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/vg00-root
                      130G  1.9G  122G   2% /
tmpfs                 379G     0  379G   0% /dev/shm
/dev/sda1             194M   33M  152M  18% /boot
/dev/sdb1             559G   33M  559G   1% /swift1
/dev/sdc1             559G   33M  559G   1% /swift2
/dev/sdd1             559G   33M  559G   1% /swift3
/dev/sde1             559G   33M  559G   1% /swift4
/dev/sdf1             559G   33M  559G   1% /swift5
/dev/sdg1             559G   33M  559G   1% /swift6
/dev/sdh1             559G   33M  559G   1% /swift7
/dev/sdi1             559G   33M  559G   1% /swift8

What do you think?

--Greg


On Tue, Jan 8, 2013 at 11:04 AM, Razique Mahroua
<razique.mahroua@xxxxxxxxx>wrote:

> Hey Greg,
> so if I understand well, you want to have the disk on the hypervisors be
> used as Swift nodes right?
> is there any underlying RAID?
>
> Regards,
> *Razique Mahroua** - **Nuage & Co*
> razique.mahroua@xxxxxxxxx
> Tel : +33 9 72 37 94 15
>
>
> Le 8 janv. 2013 à 16:28, Greg Chavez <greg.chavez@xxxxxxxxx> a écrit :
>
>
> We are in the process of replacing our Diablo KVM infrastructure with
> Folsom.  Up until now, our virts have been using the local Compute node's
> disk space for their images which, obviously, defeats much of the purpose
> of a virtualizing.  We are ready to implement an iSCSI SAN, but we're a bit
> bummed that we're going to essentially be wasting the copious disk space on
> all the systems we ordered to serve as Compute nodes.
>
> SO... we were' thinking about doubling up our Compute nodes and Swift
> storage nodes, fully aware that this might require us to reserve more cores
> for the KVM host.
>
> Has any one else tried this?  Is this clearly a bad, bad, bad idea?
>
> Thanks.
> --
> \*..+.-
> --Greg Chavez
> +//..;};
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