Date: Tue, 10 May 2005 15:30:40 +0200 From: Divacky Roman <xdivac02@stud.fit.vutbr.cz> To: Siddharth Aggarwal <saggarwa@cs.utah.edu> Cc: freebsd-hackers@freebsd.org Subject: Re: ffs snapshots Message-ID: <20050510133040.GA98680@stud.fit.vutbr.cz> In-Reply-To: <Pine.LNX.4.61.0505090940520.7891@trust.cs.utah.edu> References: <Pine.LNX.4.61.0505090940520.7891@trust.cs.utah.edu>
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On Mon, May 09, 2005 at 09:43:02AM -0600, Siddharth Aggarwal wrote: > > Hi, > > I was wondering why the limit for file system snapshots in BSD 5 has been > set to 20. Is it a limitation due to the way this feature has been > implemented? use the force, read the source ;) /* * The maximum number of snapshot nodes that can be associated * with each filesystem. This limit affects only the number of * snapshot files that can be recorded within the superblock so * that they can be found when the filesystem is mounted. However, * maintaining too many will slow the filesystem performance, so * having this limit is a good idea. */ #define FSMAXSNAP 20
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