Date: Sun, 29 Sep 1996 18:11:13 +0200 From: Stefan Grefen <grefen@carpe.net> To: mika ruohotie <bsdscsi@shadows.aeon.net> Cc: rkw@dataplex.net (Richard Wackerbarth), pjchilds@imforei.apana.org.au, freebsd-scsi@freebsd.org Subject: Re: striping/mirroring? Message-ID: <22909.844013473@hex.grefen.carpe.net> In-Reply-To: mika ruohotie's message <199609290930.LAA09794@shadows.aeon.net> of Sun, 29 Sep 96 11:30:22 %2B0200. References: <199609290930.LAA09794@shadows.aeon.net>
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In message <199609290930.LAA09794@shadows.aeon.net> mika ruohotie wrote: > > No. However you can READ from disk1 while you wait for disk2 to finish. > > > > This may work particularly well in a case that most of the operations are > > reads. For example, a web server could be expected to have mostly reads > > with only a few writes. > > i was planning to strip only www and ftp partitions (and /usr/src but that's > something i can easily recover) and since the information specially on the > ftp partition will be something i cannot afford to lose, i was thinking is > there a safe way... > > now, you say it's possible, if it's not too difficult to do, where should > i start? i dont think i need complete walkthru, just hint where to start > looking for information... If you only need this for Ftp and www, than you can modify the daemons to write 2 copies. Thi sgives you the security of 2 copies plus the higher read-performance of ccd. This make only sense if you read more than you write .. Stefan > > > mickey > -- > mika@aeon.net mika ruohotie -- Stefan Grefen Am Grossberg 16, 55130 Mainz, Germany grefen@carpe.net +49 6131 998566 Fax:+49 6131 998568 Living on Earth may be expensive, but it includes an annual free trip around the Sun.
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