Skip to content

atta/gnt-storage-eql

Folders and files

NameName
Last commit message
Last commit date

Latest commit

 

History

38 Commits
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Repository files navigation

Ganeti ext-storage interface for Dell Equallogic

more information can be found at: [http://docs.ganeti.org/ganeti/master/html/man-ganeti-extstorage-interface.html]

requirements

This interfase is tested in an Ubuntu 14.04 environment, packages need to be installed on the node:

Software

  • open-iscsi
  • multipath-tools
  • python-paramiko

SAN interface setting

  auto san1
  iface san1 inet static
      mtu 9500
      address 192.168.a.b
      netmask 255.255.255.0
      pre-up sysctl -w net.ipv4.conf.san1.rp_filter=2
      post-up iscsiadm -m iface -I san1 -o new && iscsiadm -m iface -I san1 --op=update -n iface.net_ifacename -v san1

multipath configuration

  defaults {
          user_friendly_names no 
          path_grouping_policy multibus
          polling_interval 3
          path_selector "round-robin 0"
          failback immediate
          features "0"
          no_path_retry 1
  }
  
  blacklist {
      devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
      devnode "^(hd|xvd|vd)[a-z][[0-9]*]"
      #devnode "^(sd)[a-b][[0-9]*]"
      devnode "^cciss!c[0-9]d[0-9]*[p[0-9]*]"
  }
  
  devices {
      device {
          vendor          "EQLOGIC"
          product         "100E-00"
              path_grouping_policy multibus
              path_selector "round-robin 0"
              failback immediate
              features "0"
              no_path_retry 1
      }
  }
  
  multipaths {
      multipath {
          wwid    *
      }
  }

Equallogic CLI

connect to SSH

At the connect step some settings are done to make parsing possible

  # disable system events shown in the CLI
  cli-settings events off
  
  # do not ask for non reversible commands to confirm
  cli-settings confirmation off
  
  # one information per line
  cli-settings formatoutput off
  
  # print all
  cli-settings paging off
  
  # use MB as unit
  cli-settings displayinMB on

create Volume

  volume create <NAME> <SIZE>MB description gnt-<NAME> read-write online iscsi-alias gnt-<NAME> thin-provision

grant Access to a Volume

  volume select gnt-' name ' access create ipaddress *.*.*.* initiator *

show Volume

  volume show <NAME>

delete Volume

  volume select <NAME> offline
  volume delete <NAME> 

grow Volume

SIZE is the new absolute Volumesize in MB

  volume select gnt-<NAME> size <SIZE>

Build a Package

  • install fpm gem install fpm
  • run make deb

About

Ganeti ext-storage interface for Dell Equallogic

Resources

License

Stars

Watchers

Forks

Packages

No packages published