On Mon, Sep 01, 2008 at 02:38:56PM -0700, Jeremy Chadwick wrote: > The problem was that UFS2 snapshot generation, over time, becomes > slower and slower to generate (this is what dump does on UFS2 systems, > with or without the -L flag), and is a known design issue.
Clarification: dump on UFS2 (without -L flag) will NOT generate a snapshot, but emits a nasty message telling you to use -L on live filesystems which are mounted r/w. I'm wondering if people experiencing this problem are using the -L flag or not (I'm betting most are). If you are, try removing it and see if things improve. But if I remember correctly, there's also a risk involved with this: not generating a snapshot on UFS2 means your dump could actually contain "half-written" files (e.g. when you recover, you might only have a partial file for something that was being written at the time of dump). -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB | _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
