Date: Thu, 20 Mar 2003 13:36:47 +0100 From: Maarten de Vries <maarten@netraam.nl> To: Alexander Haderer <alexander.haderer@charite.de>, Maarten de Vries <mdv@unsavoury.net>, Dirk-Willem van Gulik <dirkx@webweaving.org> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Three Terabyte Message-ID: <200303201336.47560.maarten@netraam.nl> In-Reply-To: <5.2.0.9.1.20030320125711.019eb9c8@postamt1.charite.de> References: <20030320111436.N74106-100000@foem.leiden.webweaving.org> <5.2.0.9.1.20030320125711.019eb9c8@postamt1.charite.de>
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On Thursday 20 March 2003 13:13, Alexander Haderer wrote: > a. > Filling 3TB with 1 Mbyte/s lasts more than 800 hours or 33 days. > > b. > Using ssh + dump/cpio/tar needs CPU power for encryption, especially > when multiple clients safe their data at the same time. We're already using a system built on Rsync and Dirvish, which is very quick. Disk I/O is not likely to be the bottleneck. > c. > When using FreeBSD 4.X a fsck after a hard reboot will block the > server. fsck'ing a full 3TB filesystem may need a long time. Its better > to use several smaller file systems. I guess I'd opt for FreeBSD 5. > d. > Wrong parameters for newfs may slowdown large filesystems and waste > lots of space. Before using large filesystems read the manpage of > newfs, especially the topics about options -b -f -i Thanks for that tip. -- maarten@netraam.nl - http://unsavoury.net/ natural selection has come home To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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