Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Gilberto: what is the underlying hardware setup?
--
Chris Chen <muffaleta at gmail.com>
On Oct 30, 2009, at 4:03, Gilberto Nunes Ferreira <gilberto.nunes at selbetti.com.br
> wrote:
> Hi
>
> I am very newbie on DRBD...
> But I am search with some tricks to improve performance.
> I deploy a drbd resource and use this drbd.conf:
>
> global { usage-count no; }
> common {
> syncer
> {
> rate 200M;
> al-extents 3833;
> }
>
> disk {
> no-disk-barrier;
> no-disk-flushes;
> no-md-flushes;
> use-bmbv;
> }
> }
> resource r0 {
> protocol C;
> startup {
> wfc-timeout 15;
> degr-wfc-timeout 60;
> become-primary-on both;
> }
> net {
> sndbuf-size 0;
> rcvbuf-size 0;
> max-buffers 16384;
> unplug-watermark 16384;
> max-epoch-size 16384;
> cram-hmac-alg sha1;
> shared-secret "drbd123";
> allow-two-primaries;
> after-sb-0pri discard-zero-changes;
> after-sb-1pri discard-secondary;
> after-sb-2pri disconnect;
> }
> on kvm-0 {
> device /dev/drbd0;
> disk /dev/sda3;
> address 10.0.0.100:7788;
> meta-disk internal;
> }
> on kvm-1 {
> device /dev/drbd0;
> disk /dev/sda3;
> address 10.0.0.110:7788;
> meta-disk internal;
> }
> }
>
> The net adresses run on gigabyte network cards with crossover
> pathcable....
>
> Google's results show me some testimonial that an external meta-
> disk
> can be used to improve some performance...
>
> My question is: Is that true? If yes, how can I do to have external
> driver to do meta-disk???
>
> Thanks
>
> Gilberto Nunes Ferreira
> TI
> Selbetti Gestão de Documentos
> Telefone: +55 (47) 3441-6004
> Celular: +55 (47) 8861-6672
>
>
> Disse Jesus: Eu sou o Caminho, a Verdade e a Vida. Ninguém vem ao Pa
> i a
> não ser por Mim.
> Jesus said: I am the Way, the Truth and the Life. Nobody goes to
> Father
> without Me...
> <><
>
>
>
>
>
>
>
>
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