From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: How to build a big file server Date: Thu, 05 Jun 2003 14:05:41 +0400 Message-ID: <3EDF15F5.2020908@namesys.com> References: <1054800852.1997.15.camel@wusel.schnulli.de> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <1054800852.1997.15.camel@wusel.schnulli.de> List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Heinz-Josef Claes Cc: reiserfs-list@namesys.com, Chris Mason Heinz-Josef Claes wrote: >Hi, > >I did't found information about my problem on namesys, so I try to ask >here. > >I plan to build a big fileserver for Deutscher Bundestag (German >Parliament) who is converting to linux on the server side. In the >beginning it will be used in a testing environment and later multiple of >them in production use. > >Here are some questions: > >- I plan to build a system with IDE 250GB drives. 7 of them for raid 5 >and one hot spare. The OS will be on separate hardware raid 1 on smaller >disks. Does anybody have experience with IDE controlers for the big >disks? Is it better to use hardware raid oder software raid >(performance)? > >- At this time, we plan to use reiserfs. What are the advantages / >disadvantages of using the raid 1 for journaling for the (big) raid 5 >(performance, recovery)? The system will be heavily used with >storebackup (www.sf.net/projects/storebackup) witch means that lots of >hard links have to be created as fast as possible. > >- BTW: I'm using a ZIP drive on the parallel port with reiserfs. Does it >make sense to put the journal for the ZIP drive on the hard disk of the >laptop? > >Thanks for taking your time, >Heinz-Josef Claes > > > > > > Do you plan to do synchronous work loads involving lots of little fsyncs? The RAID 5 will not perform well for that purpose, otherwise it should work well even for the journal. Chris will correct me if I err. -- Hans