Date: Tue, 13 Mar 2007 14:35:55 -0400 From: Bill Moran <wmoran@potentialtech.com> To: "Pietro Cerutti" <pietro.cerutti@gmail.com> Cc: questions@freebsd.org Subject: Re: UFS2 Snapshot limitiations Message-ID: <20070313143555.ee27a265.wmoran@potentialtech.com> In-Reply-To: <e572718c0703131114t66db9547x610f8771148fcdd3@mail.gmail.com> References: <64784.69.129.174.18.1173797935.squirrel@email.polands.org> <20070313111029.49bd1d14.wmoran@potentialtech.com> <53038.69.129.174.18.1173799128.squirrel@email.polands.org> <e572718c0703131114t66db9547x610f8771148fcdd3@mail.gmail.com>
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In response to "Pietro Cerutti" <pietro.cerutti@gmail.com>: > On 3/13/07, Doug Poland <doug@polands.org> wrote: > > > > On Tue, March 13, 2007 10:10, Bill Moran wrote: > > > In response to "Doug Poland" <doug@polands.org>: > > > > > >> Hello, > > >> > > >> I seem to recall, but cannot find, the limitation on the number of > > >> snapshots allowed on UFS2. Could someone point me in the right > > >> direction please? > > > > > > The handbook has it: > > > http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/snapshots.html > > > > > Thank you very much. > > > > Sorry for joining the thread, but it's raised my curiosity: what's the > reason for this limit? I'm not 100% sure, but I believe it's because snapshot information is stored in the filesystem superblock, and that's all that can fit in the space available in the superblock. -- Bill Moran http://www.potentialtech.com
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