Edit page MicrosoftTactics

[wiki.git] / SystemAdministratorRole

diff --git a/SystemAdministratorRole b/SystemAdministratorRole
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--- a/SystemAdministratorRole
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@@ -13,14 +13,15 @@ SystemArchitectRole for a list.
 I've designed and helped implementing the following
 production systems, all of which are still in service:
 
 I've designed and helped implementing the following
 production systems, all of which are still in service:
 

- * **SugarLabs**'s Internet infrastructure -- I'm coordinator
+ * **SugarLabs's Internet infrastructure** -- I'm coordinator

  of the [[http://sugarlabs.org/go/InfrastructureTeam | Infrastructure Team]],
  of the [[http://sugarlabs.org/go/InfrastructureTeam | Infrastructure Team]],

- taking care of 8 machines hosted at variois locations and running
+ taking care of 8 machines hosted at various colocation facilities, running

  development and support services for a large community.
 
  development and support services for a large community.
 

- * **[[http://fsf.org/ | Free Software Foundation]]**'s virtualization infrastructure --
+ * **[[http://fsf.org/ | Free Software Foundation]]'s virtualization infrastructure ** --

  I've been the fall system administrator intern in 2009. My main job was to set up and
  I've been the fall system administrator intern in 2009. My main job was to set up and

- evaluate a fault-tolerant virtualization cluster based on XEN and DRBD.
+ evaluate a **high-availability virtualization cluster** with 2 nodes based on
+ [[http://www.xen.org/ | XEN]] and [[http://www.drbd.org/ | DRBD]].

 
  * **DevelerCompany's IT infrastructure** - For over 6
  years I've been continuously growing and restructuring
 
  * **DevelerCompany's IT infrastructure** - For over 6
  years I've been continuously growing and restructuring


@@ -33,36 +34,34 @@ production systems, all of which are still in service:
  act as VoIP PBX and secondary slave for many (but not all) of
  ##trinity##'s services.
 
  act as VoIP PBX and secondary slave for many (but not all) of
  ##trinity##'s services.
 

- * ** http://www.fieremostre.it/ ** - A cluster of 4 RedHat
+ * ** [[http://www.fieremostre.it/ | Fieremostre (Milan)]] ** - A cluster of 4 RedHat

  servers, two web front-ends and Java appservers and two
  database and filesystem back-ends with SCSI RAID5.
  Fully managed remotely, including power fencing and
  robotized tape juggler.
 
  servers, two web front-ends and Java appservers and two
  database and filesystem back-ends with SCSI RAID5.
  Fully managed remotely, including power fencing and
  robotized tape juggler.
 

- * I've configured and installed a cluster of 5 nodes on
- blade CPU boards with shared fiber-channel RAID storage.
- I used a pre-release of RedHat's Advanced Server product
+ * In 2003, I configured and installed a cluster of 5 nodes on
+ blade CPU boards with **shared fiber-channel RAID storage**.
+ I used a pre-release of **RedHat Advanced Server**

  to implement a shared storage pool of 1.5TB with GFS1.
  The system initially went to production without the GFS
  pool because of reliability concerns with this new
  technology.
 
  to implement a shared storage pool of 1.5TB with GFS1.
  The system initially went to production without the GFS
  pool because of reliability concerns with this new
  technology.
 

- * '''Genexpress Lab''' - A combo of two servers, each
- acting as a gateway and file server for a security ring.
- This design was done for the Department of Bioengineering
- of the University of Firenze, in Prato's Scientific Center.
+ * **Genexpress Lab** - A combo of two interconnected servers, each
+ acting as a gateway and file server for a security ring. This design
+ was done for the Department of Bioengineering of the University of
+ Firenze, in Prato's Scientific Center.

 
 

-My philosophy is using mainstream hardware whenever possible
-and concentrate most services on few physical systems.
-The savings in cost can be used to increase availability and
-performance through redundancy.  This strategy leads to
-data-centers that are easy to understand and maintain, while
-at the same time scaling up much better than
-traditional asymmetrical solutions (like web server,
+My philosophy is using mainstream hardware whenever possible and
+concentrate most services on few physical systems. The savings in
+cost can be used to increase availability and performance through
+redundancy. This strategy leads to data-centers that are easy to
+understand and maintain, while at the same time scaling up much
+better than traditional asymmetrical solutions (like web server,

 mail server, db server...).
 
 Being particularly fond of the UNIX culture, I tend to keep
 my systems as open as possible while at the same time very secure.
 
 mail server, db server...).
 
 Being particularly fond of the UNIX culture, I tend to keep
 my systems as open as possible while at the same time very secure.
 

-

 TODO: add a list of server software I use/know
 TODO: add a list of server software I use/know