Recently I created my first ZFS clones but quickly realized that there was no simple way to tell the clones from the regular filesystems. My first instinct was to run ‘zfs list -t clone’ similar to ‘zfs list -t snapshot’ but this didn’t work. Maybe it works in newer versions of ZFS.

After some poking…

The following table shows the difference between 146GB RAID 5 IOPS/TB and 300GB RAID 10 IOPS/TB.
Each column represents a different Read percentage (the Write percentage is the inverse).
Negative numbers mean that for this Read percentage and IOPS requirement, RAID 10 gives more IOPS/TB of disk. Positive numbers mean that RAID 5 gives better…

A friend asked me how he could see the network utilization in Solaris. It seems like a fairly simple request but for some reason this is not a simple command line away. In Linux I would instinctively go straight to iptraf. I don’t know if iptraf is the tool of choice these days but…

Google has finally added Israel to the list of Countries in the sign up process which is good news.On the other hand, they got the timezone wrong (Israel is in DST right now and uses GMT+3 till about October) and that’s after spending over a week fixing it. What’s going on inside Google? Why…