XFS In Dapper [previously posted to ubuntu-users]

[Dave Kempe]

Nick Webb wrote:
> I'll be doing all of these on 64-bit systems, good to know.  I just got 
> a new project today that will start out around 5TB and likely grow to 7 
> or 8 soon.  Not all these systems have enough ram + swap to get to 8GB 
> of virtual memory, I wonder how it works without that much, I hope it 
> doesn't just fail?

xfs_repair runs out of ram and dies. I needed to add heaps of swap on 
this one system.

> Also, you can run xfs_check online, right?  That's my impression, so at 
> least the server isn't down during the check, although it will likely be 
> crawling.

its xfs_repair that takes the ram xfs_check is fast and simple i think.

> Yes I've heard this as well from some RedHat/CentOS friends.  My intent 
> would be to make sure all the systems with XFS have a good UPS, and are 
> setup to shutdown on power loss.  Of course, we'll have a good backup 
> plan as well.  That should mitigate things to the point it doesn't 
> really matter...

rdiff-backup rocks for this, with nagios...

dave