Home » 2014

Aug '14 27

Move ZFS filesystem between pools

by Brin in Computer, Linux | Comments Off on Move ZFS filesystem between pools

I’m migrating my data around between my different raid groups (Mirror and RaidZ1). I Found a good post on how to do it with zfs send/receive and snapshots. Use Pipe Viewer (pv) to monitor progress Create a snapshot on source use … Continue reading →

Jul '14 15

ZFS on Linux

by Brin in Computer, Linux | Comments Off on ZFS on Linux

I’ve been looking at ZFS on Linux for some time now, mainly due to silent corruption on my EXT4 file-system. One of the big benefits for me is data/meta checksums, on data corruption is fetched from parity, and a data scrub picks … Continue reading →

Feb '14 20

Top Talkers

by Brin in Uncategorized | Comments Off on Top Talkers

Use tcpdump to determine the top talkers on an interface (not conversations) tcpdump -tnn -c 5000 -i eth1 | awk -F “.” ‘{print $1″.”$2″.”$3″.”$4}’ | sort | uniq -c | sort -nr | awk ‘ $1 > 100 ‘