Date: Fri, 21 Nov 2003 12:45:49 +0300 From: Alex Povolotsky <tarkhil@over.ru> To: Erez Zadok <ezk@cs.sunysb.edu> Cc: fs@freebsd.org Subject: Re: "Reverse union" mount possible? Message-ID: <20031121124549.44895c7c.tarkhil@over.ru> In-Reply-To: <200311210201.hAL21VDZ015268@agora.fsl.cs.sunysb.edu> References: <20031121005706.GA67377@wombat.robbins.dropbear.id.au> <200311210201.hAL21VDZ015268@agora.fsl.cs.sunysb.edu>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, 20 Nov 2003 21:01:31 -0500 Erez Zadok <ezk@cs.sunysb.edu> wrote: EZ> > > Right now, I'm readonly mount_null'ing /bin, /sbin, /usr/bin, EZ> > > /usr/sbin,/usr/lib, /usr/include, /usr/libexec, /usr/share. With EZ> > > a dozen jails, there are too many mounts to my liking, and about EZ> > > twice a week I experience panic. Probabily it's nullfs-related. EZ> > EZ> > Nullfs is known to be buggy in -stable. In particular, it seems to EZ> > deadlock under load / when vnodes start getting recycled. EZ> EZ> My fist stackable templates were ported to fbsd 4.x and 5.0 not too EZ> long ago. We ran extensive tests to ensure that the code is stable. EZ> While it's EZ> possible we missed stuff, it might help if someone checked what is EZ> different about my "wrapfs" vs. Nullfs. We may have fixed bugs in EZ> wrapfs not realizing that they originally came from the base Nullfs EZ> we started with. Sounds cool. Where can I get the source? BTW, I've heard that nullfs/unionfs doesn't allow code sharing. Does wrapfs do it? -- Alex.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20031121124549.44895c7c.tarkhil>