Tag archives for solaris

image-2891
image-2891

Parceria…

Marcelo Leal, arquiteto da Locaweb, empresa especializada em web hosting e serviços de cloud computing, comenta a atuação da Itautec, que forneceu uma solução customizada de servidores para a companhia. Esta solução permitiu à empresa dobrar a densidade de armazenamento em seu datacenter, com custos competitivos. É mais uma demonstração ...
Continue Reading »

NFS, TCP, retrans and timeo

I think there is a misunderstanding regarding the protocols and NFS options while using it over TCP. As the NFS is an old protocol, and used to UDP, when the implementations did change the default transport to TCP, the features from one were mixed to the other in some interpretations. Well, ...
Continue Reading »
image-2197
image-2197

Disksort vs Max_Pending

DO NOT TRY IT IN PRODUCTION. USE AT YOUR OWN RISK! Good news... here you can get a little script to enable, disable, and check the disksort flag on your disks (not persistent after reboot, take a look on my other post to a link for how to do it). Take ...
Continue Reading »
image-1997
image-1997

Performance II

In my last post about 'Performance', i did talk about a ZFS tuning parameter: zfs_prefetch_disable. And that was a ZFS read parameter... In this post, we will take a look in another one, with the same 'water to wine' effect. This time with focus on writes... We have a set ...
Continue Reading »

A contract between OpenSolaris and GNU/Linux users

Hello there... one of the objectives of the OpenSolaris distro, is to make easy the platform's adoption for the GNU/Linux users. I think one thing that every user does when facing a new operating system is execute a simple command like: 'ls /'. And some other 'ls' to try to ...
Continue Reading »