Monthly Archives: May 2013

#!/usr/bin/bash #variables source=pool_0/local/base/source dest=pool_0/local/base/source node2=”192.168.108.61 confirm shell ” schedule=60 #functions function baseline { zfs snapshot ${source}@currentfs zfs send ${source}@currentfs|ssh ${node2} zfs receive ${dest}@currentfs echo “baseline created” } function dryrun { run=0 ret=5 echo dry while (($run

#!/bin/bash run=0 #current cycle times=10 #number of times to run interval=5 #interval echo “Operations per second per 5 seconds” > collectfile #while run is smaller than times #dataset-026 collects the number of NFSv4 operations per second #awk reports the third … Continue reading →

1. Make sure autologin is set up correctly 2. run the following command: # ssh -t 192.168.4.130 confirm shell (where 192.168.4.130 is the appliance) 3. example: query zpools # ssh -t 192.168.4.130 confirm shell zpool list NAME SIZE ALLOC FREE … Continue reading →

example

space.rc

Preventing “Split-Brain” Conditions A common failure mode in clustered systems is known as “split-brain”; in this condition, each of the clustered heads believes its peer has failed and attempts takeover. Absent additional logic, this condition can cause a broad spectrum … Continue reading →

guide

This scripts requires automatic login on 7000 node It lists all projects, filesystems and snapshots. # vi fs #!/usr/bin/bash >data echo type:project:filesystem:snapshot echo ————————— for pr in `ssh node141 shares list` do echo “pr:${pr}::” echo “pr:${pr}::”>>data for fs in `ssh … Continue reading →

appl40:> shares select reversed select repshare snapshots select new get space_data space_data = 304K

determine datasets: # ssh root@192.168.73.141 analytics datasets list DATASET STATE INCORE ONDISK NAME dataset-000 active 710K 32.6K arc.accesses[hit/miss] dataset-001 active 242K 31.2K arc.l2_accesses[hit/miss] dataset-002 active 242K 31.2K arc.l2_size dataset-003 active 242K 31.2K arc.size dataset-004 active 880K 32.5K arc.size[component] dataset-005 active … Continue reading →

This poorman’s example uses 1 script, 1 datacollectionfile and 1 html file 1. script (shares) collects project information from hardcoded 7000 node and stores it in file: collect then it creates an html file. 3. in browser load: http://localhost/test.html script: … Continue reading →

howto