[SATLUG] big file systems - tips, suggestions?

[Eli]

no lvm here, but I use 200-400gb drives, typically 3-5 drives, raid5, mdadm.

works for me.

I always build a second server with the same amount (or more) of space
that holds a full copy of the data plus it uses hardlinks and rsync, to
give me daily snapshots.

example:
-primary server is 600gig useable
-backup server is 800gig useable, with a full copy of data plus diffs for
going back 20 days.

~e





> I'm about to install a huge amount of disk space and was wondering if
> anyone had experience with creating, managing and tuning large file
> systems.  I think at this point it's gonna be something over LVM over
> mdadm, striped across a software RAID 5. But I'm not familar with the
> limits of the tools as you get big... got any suggestions?
>
> Also, managing all that space will be a challenge... tips on that welcome.
> The cool rsync-while-hot, take-offline, rsync-again, mount new copy
> trick is pretty neat
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