Date: Sat, 28 Sep 1996 06:15:34 -0500 From: rkw@dataplex.net (Richard Wackerbarth) To: mika ruohotie <bsdscsi@shadows.aeon.net> Cc: scsi@freebsd.org Subject: Re: striping/mirroring? Message-ID: <v02140b00ae72b4dbc331@[208.2.87.4]>
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>> Look at what striping does... >> It takes a number of drives and makes it appear that they are one large >> (faster) drive. > >i know > >> Mirroring takes two drives of the same size and stores the information >> redundantly. > >i know > >> Thus if you were to mirror a 4 drive combination to a single drive, that >> drive would have to be 4 times as large. It would also need to be fast. > >it should be huge, yes. fast, no, if i dont want to mirror all i am >striping... or if i do the way i was planning... using 2 gig drives, >and only _use_ the space of one disk i'm mirroring to... I'm lost. How can the mirror be slower than the drive that it is mirroring unless it is a "read mostly" situation and you are guaranteed no write bursts? >original question was, can i do it with freebsd? > >seems to me answer is no. I think that the answer is "yes". You can you elaborate? Describe the configuration that you have in mind.
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