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1,4 TB to partition, mostly for /home/backup, what would you recommand

From: Didier Wiroth (didier.wirothmcesr.etat.lu)
Date: Wed Nov 15 2006 - 09:40:37 CST

Hi,
I've installed an Openbsd4.0 server with a LSI Megaraid S-ATA 150-6 LSI
Controller. It has a RAID5 logical drive containing 6 HDs (1 is hot spare).

 $ sudo bioctl ami0
Volume Status Size Device
 ami0 0 Scrubbing 1600332496896 sd0 RAID5 60% done
      0 Online 400083124224 0:0.0 noencl < ST3400620NS
  3.AE>
      1 Online 400083124224 0:2.0 noencl < ST3400620NS
  3.AE>
      2 Online 400083124224 0:1.0 noencl < ST3400620NS
  3.AE>
      3 Online 400083124224 0:4.0 noencl < ST3400620NS
  3.AE>
      4 Online 400083124224 0:3.0 noencl < ST3400620NS
  3.AE>
 ami0 1 Hot spare 400083124224 0:5.0 noencl < ST3400620NS
  3.AE>

I would like to use most of the space for /home/backup!

I thought about using 4x350GB (or X x XXX GB, any recommandations are
appreciated) partitions (to reduce the fsck times when fsck is needed),
and concatenate them via ccd to /home/backup?!

Is this the best way to do it or would you recommand me to do it
differently?

$ sudo bioctl ami0
Volume Status Size Device
 ami0 0 Scrubbing 1600332496896 sd0 RAID5 60% done
      0 Online 400083124224 0:0.0 noencl < ST3400620NS
  3.AE>
      1 Online 400083124224 0:2.0 noencl < ST3400620NS
  3.AE>
      2 Online 400083124224 0:1.0 noencl < ST3400620NS
  3.AE>
      3 Online 400083124224 0:4.0 noencl < ST3400620NS
  3.AE>
      4 Online 400083124224 0:3.0 noencl < ST3400620NS
  3.AE>
 ami0 1 Hot spare 400083124224 0:5.0 noencl < ST3400620NS
  3.AE>

Thank you very much
Didier