高 層 樂 易 玲 錫 胡 定 欣 ， 但 又 不 會 捧 到 她 紅” This is a quick and, unfortunately, overdue update. The last timearound , I wrote about how we had discoveredthe zfs_arc_min ZFS tuning parameter, so that we could set a minimumARC size so that it would not shrink too much.
Here is an important update: don't do this.
Since we set a minimum ARC size, we have had mysterious but ultimatelyconsistently reproduceable system failures under load. The consistentway to kill our (then) lead NFS fileserver was that after at
Sometimes you would like to have a nice table to navigate data with the header fixed on top while scrolling. There are many Javascript dataGrid component out there to do this but sometimes you just don’t need all those features. So I have wrote a jQuery plugin to create a fixed table header on a normal HTML table. It’s called Stupid Fixed Header .
I called it ‘stupid’ because it does so many things to achieve this little effect:
Here's an error message we got from Amanda during a recent restore attempt:
warning: restore program for /slocal/amanda/bin/ufsdump not available.
amrecover couldn't exec: No such file or directory
problem executing restore
amrecover: amrecover: pipe data reader has quit: Broken pipe
First the background: the filesystem that we were attempting to restorea file from had recently been migrated from our old fileservers to oneone of our new Solaris fileservers ;the backup we were restoring from had been made on
