Difference between revisions of "Sysadmin"

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(→‎Cluster Machines)
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== Switches ==
  
  
  
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{| style="float:left; margin-right:2px;"
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| style="height:55px; width:150px; text-align:center; background-color:#0099cc; border-left:solid 5px #0099cc; border-top:solid 5px #0099cc; border-bottom:solid 1px white; border-right:solid 5px      #0099cc; font-size:120%;" | SG538SF02J
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|-
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| style="height:200px; width:150px; background-color:#0099cc; border-left:solid 5px #0099cc; border-bottom:solid 5px #0099cc; border-right:solid 5px #0099cc; font-size:80%;" | HP Procurve 3400cl <br> Ports: 24 <br> Backplane bandwidth:
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*88 Gbps
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*64 million pps
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Memory:
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*2MB packet buffer
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*16 MB dual flash
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*128 MB SDRAM
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Cut-through switching: No
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Unused as of May 12, 2017
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|}
  
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{| style="float:left; margin-right:2px;"
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| style="height:55px; width:150px; text-align:center; background-color:#ffdb4d; border-left:solid 5px #ffdb4d; border-top:solid 5px #ffdb4d; border-bottom:solid 1px white; border-right:solid 5px #ffdb4d; font-size:120%;" | CN63FP762S
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|-
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| style="height:200px; width:150px; background-color:#ffdb4d; border-left:solid 5px #ffdb4d; border-bottom:solid 5px #ffdb4d; border-right:solid 5px #ffdb4d;font-size:80%;" | HP 2530-24G <br> Ports: 24 <br> Switching Capacity:
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*56 Gbps
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*41.6 million pps
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Memory:
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*1.5 MB packet buffer
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*256 MB  flash
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*128 MB DDR3 DIMM
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Cut-through switching: No
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On Al-Salam as of May 12, 2017
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|}
  
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{| style="float:left; margin-right:2px;"
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| style="height:55px; width:150px; text-align:center; background-color:#ff4d94; border-left:solid 5px #ff4d94; border-top:solid 5px #ff4d94; border-bottom:solid 1px white; border-right:solid 5px #ff4d94; font-size:120%;" | SG525SG025
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|-
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| style="height:200px; width:150px; background-color:#ff4d94; border-left:solid 5px #ff4d94; border-bottom:solid 5px #ff4d94; border-right:solid 5px #ff4d94;font-size:80%;" | HP Procurve 3400cl <br> Ports: 24 <br> Backplane bandwidth:
 +
*88 Gbps
 +
*64 million pps
 +
Memory:
 +
*2MB packet buffer
 +
*16 MB dual flash
 +
*128 MB SDRAM
 +
Cut-through switching: No
 +
On layout and whedon as of May 12, 2017
 +
|}
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{| style="float:left; margin-right:2px;"
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| style="height:55px; width:150px; text-align:center; background-color:#39ad39; border-left:solid 5px #39ad39; border-top:solid 5px #39ad39; border-bottom:solid 1px white; border-right:solid 5px #39ad39; font-size:120%;" | Netgear JGS524
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|-
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| style="height:200px; width:150px; background-color:#39ad39; border-left:solid 5px #39ad39; border-bottom:solid 5px #39ad39; border-right:solid 5px #39ad39;font-size:80%;" | Unmanaged (no console/configuration) <br> Ports: 24 <br> Switching bandwidth:
 +
*48 Gbps
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*1.5 million pps
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Memory:
 +
*2MB packet buffer
 +
Cut-through switching: No
 +
Connected to Al-Salam, Hopper, Pollock, Nagios, Dali, Kahlo, Bronte as of May 12, 2017
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|}
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{| style="float:left; margin-right:2px;"
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| style="height:55px; width:150px; text-align:center; background-color:#0099cc; border-left:solid 5px #0099cc; border-top:solid 5px #0099cc; border-bottom:solid 1px white; border-right:solid 5px #0099cc; font-size:120%;" | HP 5920
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|-
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| style="height:200px; width:150px; background-color:#0099cc; border-left:solid 5px #0099cc; border-bottom:solid 5px #0099cc; border-right:solid 5px #0099cc;font-size:80%;" | Ports: 24 <br> Backplane bandwidth:
 +
*480 Gbps
 +
*367 million pps
 +
Memory:
 +
*3.6 GB packet buffer
 +
*256 MB dual flash
 +
*2 GB SDRAM
 +
Cut-through switching: Yes
 +
Connected to layout, kahlo, and dali as of May 12, 2017
 +
|}
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 +
{| style="float:left; margin-right:2px;"
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| style="height:55px; width:150px; text-align:center; background-color:#0099cc; border-left:solid 5px #0099cc; border-top:solid 5px #0099cc; border-bottom:solid 1px white; border-right:solid 5px #0099cc; font-size:120%;" | HP 5500
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|-
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| style="height:200px; width:150px; background-color:#0099cc; border-left:solid 5px #0099cc; border-bottom:solid 5px #0099cc; border-right:solid 5px #0099cc;font-size:80%;" | Model: JG542A <br> Ports: 24 <br> Backplane bandwidth:
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*224 Gbps
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*166.6 million pps
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Memory:
 +
*6 MB packet buffer
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*512 MB dual flash
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*1 GB SDRAM
 +
Cut-through switching: No
 +
Connected to Babbage, Control, Nagios, and the netgear switch as of May 12, 2017
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|}
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<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>
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<br><br><br><br><br><br>
  
 
= Systems Administration Documentation =
 
= Systems Administration Documentation =

Revision as of 16:27, 12 May 2017


Machines and Brief Descriptions of Services

CS Machines

HOME
(vm0)
Users
SSH
NFS
NET
(vm1)
LDAP server
DNS
DHCP
WEB
(vm2)
Mailman
Mail Stack
Apache2
PostgresQL
MySQL
Wiki
TOOLS
(vm3)
SageNB Server
Jupyterhub Server
Software Modules
NginX
BABBAGE
Firewall
PROTO
Weather Monitoring
GPS/NTP
Energy Monitoring
CONTROL
Users
SSH
SHINKEN
Users
SSH
Add machines
MURPHY
Users
SSH








Cluster Machines

HOPPER
Users
SSH
NFS
Software Modules
PostgresQL
Wiki
Apache2
DNS
DHCP
DALI
Gitlab
Backups
NginX
AL-SALAM
WebMO
Software Modules
Apache2
LAYOUT
Jupyterhub Server
Software Modules
NginX
Apache2
WebMO
BRONTE
Software Modules
POLLOCK
Software Modules
WebMO
NginX
KAHLO
Backups
NginX
BIGFE
Software Modules
T-VOC
Software Modules
ELWOOD
Software Modules






































Switches

SG538SF02J
HP Procurve 3400cl
Ports: 24
Backplane bandwidth:
  • 88 Gbps
  • 64 million pps

Memory:

  • 2MB packet buffer
  • 16 MB dual flash
  • 128 MB SDRAM

Cut-through switching: No Unused as of May 12, 2017

CN63FP762S
HP 2530-24G
Ports: 24
Switching Capacity:
  • 56 Gbps
  • 41.6 million pps

Memory:

  • 1.5 MB packet buffer
  • 256 MB flash
  • 128 MB DDR3 DIMM

Cut-through switching: No On Al-Salam as of May 12, 2017

SG525SG025
HP Procurve 3400cl
Ports: 24
Backplane bandwidth:
  • 88 Gbps
  • 64 million pps

Memory:

  • 2MB packet buffer
  • 16 MB dual flash
  • 128 MB SDRAM

Cut-through switching: No On layout and whedon as of May 12, 2017

Netgear JGS524
Unmanaged (no console/configuration)
Ports: 24
Switching bandwidth:
  • 48 Gbps
  • 1.5 million pps

Memory:

  • 2MB packet buffer

Cut-through switching: No Connected to Al-Salam, Hopper, Pollock, Nagios, Dali, Kahlo, Bronte as of May 12, 2017

HP 5920
Ports: 24
Backplane bandwidth:
  • 480 Gbps
  • 367 million pps

Memory:

  • 3.6 GB packet buffer
  • 256 MB dual flash
  • 2 GB SDRAM

Cut-through switching: Yes Connected to layout, kahlo, and dali as of May 12, 2017

HP 5500
Model: JG542A
Ports: 24
Backplane bandwidth:
  • 224 Gbps
  • 166.6 million pps

Memory:

  • 6 MB packet buffer
  • 512 MB dual flash
  • 1 GB SDRAM

Cut-through switching: No Connected to Babbage, Control, Nagios, and the netgear switch as of May 12, 2017































Systems Administration Documentation

For old documentation, see: Old Wiki Information

Current Projects (updated 2017-04-27)

TODO

  • Layout infiniband subnet manager
  • Layout disk swap, new lo0
  • HP Al-Salam switch enable jumboframes

Ongoing Projects (Spring 2017)

TODO

  • EMAILING ALL THE USERS https://wiki.cs.earlham.edu/index.php/Sysadmin:Old:Contacting_All_Users
  • SHUTDOWN SCHEDULED FOR SUNDAY (APRIL 16)
  • Fix certs for gitlab, etc.
  • Secure 1-2 admins for the summer
  • Prep layout for May-June usage
  • Practice shutdown-startup procedure (with Michael)
  • Nsswitch consistency across all machines
  • Document tools: startup / shutdown - Charlie
  • Use Sysadmin namespace for all our pages - All
    • Testing usefulness of documentation - Dave
  • Al Salam: configure switch, re-rack. - Vitalii
    • HP switch should be reset and tested.
  • LDAP cleanup of system users / old groups - James
  • Layout - Nirdesh
    • Lo0 RAID (mdadm)
    • 10GB from Dali to lo0 (adding rules on compute node routing tables as a possible fix)
    • BIOS reset
  • 10Gb, perfsonar, ...
  • Monitoring: (Ganglia, Shinken)
    • Getting consistency among all the machines(check_nrpe regularly stops working).
  • Whedon: configured and available
  • Change passwords (on everything). Postgres, shenken, ...
  • Webcam on office whiteboard (new office location?)
  • Learn virtual machine architecture and modules - Dave
    • Document in a format for future admin training?
    • Find existing introduction material
  • Mirror control for testing, swapping, etc.

DONE (19 Jan 2017)

  • Examine extra "layout" node. - Adam
    • Differences are: Single PSU, Single GPGPU, No VGA.
    • It has Infiniband and 10GB cards installed.
  • Networking - Adam, Charlie
    • IP over Infiniband working on layout
      • Resolved by resetting IB switch configuration: ibwarn: [3349] mad_rpc_rmpp: _do_madrpc failed; dport (Lid 1)

FUTURE

  • Centralized password database / manager / location

Current Projects (updated 13 Oct 16)

  • Groups and LDAP and sudo - James
  • Amber - James
  • Edward's setup - Vitalli
  • WebDev access - Nirdesh
  • Puppet - James and Vitalii
  • Bacula - Nirdesh
  • SSL certificate upgrade and documentation - Kristin
  • Listserv merging with archives preserved - Nirdesh
  • Ganglia - Bret
  • Shenken - Vitalii
    • latency, UPS
  • New Layout node - ? and ?
  • Provision Sappho (compute) - after Puppet
  • Provision Kahlo (storage) -
    • replace broken drive
  • I2 setup
    • DTN, storage nodes, head nodes, ports in CST
  • Provision Whedon (compute) - after Puppet
  • Shutdown and startup test - scheduled for Sunday 27 November
  • Disk cleaning - Charlie
  • Password changing in the CS and cluster domains - Vitalii and James
  • Proto setup and maintenance with HIP/Green Science

Retrieved from "https://wiki.cs.earlham.edu/index.php?title=Sysadmin&oldid=16250"