[ahimsa-tech] New virtual server box (ahimsa)
bart at indymedia.org
Wed Sep 6 12:14:24 PDT 2006
jeff moe <jeff at indymedia.org> wrote:
> For quite some time I have wanted to move various dynamic sites from
> ahimsa-web1 (866Mhz) to ahimsa-web3, which is set up with vserver. This hasn't
> happened yet, but "should". The problem now is that ahimsa-web3 has plenty to
> do already. So what I'm thinking of is getting a new box for virtual serving.
> There are a number of virtual server techniques, some of which can be combined.
> It'll use xen, vserver, or OpenVT (least likely). I don't have experience with
> xen yet, but it has some nice features that aren't in vserver. Does anyone out
> there have suggestions on which would be most appropriate for an IMC server? I
> think most imc-techs have vserver experience, so that's a big plus from the
> get-go, but that's just a hunch. It seems like xen may be more secure (which is
> a big plus), but less resource efficient. Also, do the new virtualization
> extensions in the new CPUs offer any benefit with vserver? I understand that
> they do for Xen.
> Another issue I'd like to solve is the disks. I was thinking of having the
> dynamic sites use local disks instead of NFS. This will offload some pressure
> from the NFS server (doing interminable `rsyncs`) and should make everything
> faster overall. Backups can be made to the NFS server periodically too. The
> issue here is space.
> I ran a `du` of everything back in May--it should still be a "reasonable"
> guideline (mir and sites under 1G not included):
> 186G custom/images
this seems to be a backup of images.indy ?
> 44G sf-active/italy
> 32G sf-active/argentina
> 31G custom/nimiq
> 9.1G dada/barcelona
> 6.1G custom/docs
> 3.2G dada/wmass
> 3.2G custom/radio-uk
> 2.1G sf-active/uruguay
> 2.1G dada/colorado
> 1.7G spip/nantes
> 1.4G spip/nice
> 1.2G sf-active/marseille
> 1.2G sf-active/liege
this is a backup.
dunno if they still need it.
> 1.1G custom/rt
> The total `du` was like 331 gigs. Of this, a huge chunk is /imc/custom/images.
> I /think/ this is just old archive data, but I'm not certain--in other words,
> it wouldn't have to be on the local disk. I'd like to know because it has a
> big impact on the estimate of how much space we need. Barcelona, argentina, &
> docs are just backups. We could always mix & match a bit too (some parts on
> NFS, some locally--especially "new" data writes).
> The box will likely be from penguincomputing or supermicro. The time line is:
> wait for feedback, get the thing (2-3 weeks), bame has offered to physically
> install it, I'll do OS install + OS configuration, then the actual moving of
> sites. I'm looking for volunteers who know each code base to help with those
> respective moves. The distro will be debian etch.
i can help with sf-active sites.
> Thanks for any feedback.
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