Re: NFS hang + umount -f: better behaviour requested.

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From: Theodore Tso
Date: Wednesday, August 22, 2007 - 3:03 am

On Tue, Aug 21, 2007 at 07:04:16PM -0400, Valdis.Kletnieks@vt.edu wrote:

Err, no.  The ext3 journal overhead buys you not needing to fsck after
an unclean shutdown, and safety against crap getting written to the
inode table on an unclean power hit while the disk drive is writing
and the memory goes insane before the DMA engine and disk drive stop
working from the voltage on the power supply rails.  (Hence my advice
that if you use XFS on Linux, make *sure* you have a UPS; on machines
such as the SGI Indy they added bigger capacitors to the PSU and a
real power fail interrupt, but PC-class hardware is
inexpensive/crappy, so it doesn't have such niceties.)

     	    	     	  	     	    - Ted


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Messages in current thread:
NFS hang + umount -f: better behaviour requested., Robin Lee Powell, (Mon Aug 20, 3:54 pm)
Re: NFS hang + umount -f: better behaviour requested., John Stoffel, (Tue Aug 21, 9:43 am)
Re: NFS hang + umount -f: better behaviour requested., J. Bruce Fields, (Tue Aug 21, 9:55 am)
Re: NFS hang + umount -f: better behaviour requested., Peter Staubach, (Tue Aug 21, 10:01 am)
Re: NFS hang + umount -f: better behaviour requested., Robin Lee Powell, (Tue Aug 21, 10:14 am)
Re: NFS hang + umount -f: better behaviour requested., Peter Staubach, (Tue Aug 21, 10:18 am)
Re: NFS hang + umount -f: better behaviour requested., John Stoffel, (Tue Aug 21, 11:50 am)
Re: NFS hang + umount -f: better behaviour requested., Peter Staubach, (Tue Aug 21, 12:04 pm)
Re: NFS hang + umount -f: better behaviour requested., J. Bruce Fields, (Tue Aug 21, 12:25 pm)
Re: NFS hang + umount -f: better behaviour requested., Valdis.Kletnieks, (Tue Aug 21, 4:04 pm)
Re: NFS hang + umount -f: better behaviour requested., Theodore Tso, (Wed Aug 22, 3:03 am)
Re: NFS hang + umount -f: better behaviour requested., John Stoffel, (Wed Aug 22, 8:26 am)
Re: NFS hang + umount -f: better behaviour requested., Ric Wheeler, (Fri Aug 24, 8:09 am)
Re: NFS hang + umount -f: better behaviour requested., Peter Staubach, (Fri Aug 24, 8:37 am)
Re: NFS hang + umount -f: better behaviour requested., J. Bruce Fields, (Fri Aug 24, 8:53 am)
Re: NFS hang + umount -f: better behaviour requested., Valdis.Kletnieks, (Fri Aug 31, 8:10 am)