Skip site navigation (1)Skip section navigation (2)
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>

next in thread | previous in thread | raw e-mail | index | archive | help
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




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200303201336.47560.maarten>