<DIV id=RTEContent><BR><BR><B><I>Dave Andruczyk <djandruczyk@yahoo.com></I></B> wrote: <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid"> <div>Well I could use another IDE channel but I could only run RAID1 in that case<BR>(which is rather space wasteful and provides little performance benefit (for<BR>writes anyways) If I wanted to go further I'd need to pickup a multichannel<BR>IDE card, and I still wouldn't have TCQ capability (which helps a bit). By<BR>utilizing the SCSI bus I already have (Dual channel U160), if I want to have<BR>lots of drives and be cheap by not buying native SCSI drives (which are VERY<BR>hard to get in 250GB cpaacities for anything less that 3.5x an IDE drive's<BR>price) I'm going to use the IDE route but use these little know SCSI to IDE<BR>bridges (there are numerous variations out, some are for CDrom (ATAPI command<BR>set), others are for IDE drives (not sure what exactly is different here)
and<BR>the best one is for drives and added TCQ capability. so for about $150.00 for<BR>a decent IDE drive (I like the samsung spinpoint's as they are completely<BR>silent and they run cool, unlike just about everyone else's drives) plus about<BR>$50.00 for the bridge. vs about $1200 for a 147GB cheetah U320 drive (U160's<BR>are hard to find now). Now the 147GB drive is proabbly faster than the<BR>spinpoint, but for 150 vs 1200. I can get 8 250GB drives and bridges for the<BR>price of one of the scsi ones. and get higher performance and reliability in a<BR>RAID5 confguration (8 drives in raid 5 = 7*250GB = 1.75TB of usable space,<BR>assuming no hotspares<BR><BR><BR>> The box I have to work with will allow me to run a ATA 133 to serial drive<BR>> raid system, MSI board you see. For now I was only planning to leave in the<BR>> 120gig, but add a DVD -/+ RW Duel layer, and two to three more 120gig or<BR>> larger drives. Or as you state more then two HDD do slow perfo
rmance,
so I<BR>> just could leave in the CD-RW. <BR>> <BR>> I did a bit of figuring with pen and paper to plan out how to allocate<BR>> drive space to each partition, and I ended up with this layout.<BR>> <BR>> /boot 100megs, / 10gigs, /usr 25gigs, /usr/local 25gigs, /var 10gigs,<BR>> /home 20gigs, /tmp 10gigs, /opt 10gigs, and /scratch 10gigs. How does that<BR>> sound for starters?<BR>> <BR><BR>I'd cut /tmp to 1GB, up home to 25GB and up opt to 15GB and leave the rest for<BR>scratch. NOTE: If you're like me and you encoded your personal CD's to ogg or<BR>mp3 you might want to create a parition to segregate that from the rest of the<BR>system. (I have /media/audio for that)<BR></div> <div><---------------------------------snip-------------------------------></div> <div>Well I could always add another HDD for working with movies and such after I install a DVD burner. I could cut out scratch for now and add it to the new drive and add a media partit
ion as
well.<BR></div> <div> </div> <div> </div> <div>You where talking about SCSI, so that subject I was thinking of how to get<BR>> my IBM Intellistation up and running. I'm looking into SCSI for it, but<BR>> really don't know where to start. I would need a card, have a 68pin cable to<BR>> work with and have room for three drives. I would like to go with 50 to<BR>> 150gig drives if possible, any suggestion? I was planning on using the CD-RW<BR>> on IDE channel 2 as master. <BR>> Say any idea if that SCSI to IDE bridge would work with IDE optical drives,<BR>> rather than connecting it through the IDE controller.<BR><BR>Basically I'd recommend an Ultra 160 card, if multichannel even better, as if<BR>you mix single ended (SE) devices (CDrom's and LVD devices (newer HD's or<BR>bridges) the SCSI channel will default to SE mode and slow down to 40MB/sec. <BR>My controller is a dual U160 and I have my LVD drives (which are actually<BR>80MB/sec ones) on
channel
1 and my other two drives which are Single Ended <BR>with my CDRW on chanel two. Hence channel 1 runs at 80MB/sec LVD mode and<BR>channel two runs at 40MB/sec (SE mode). </div> <div><--------------------------snip---------------------------------></div> <div>I'll have to look into this! Thanks for the suggtions.<BR><BR></div> <div>The bridges I was looking at are made by ACARD, about $54.00 from newegg.com<BR>http://www.newegg.com/Product/Product.asp?Item=N82E16815114105<BR><BR>The 7726Q is better than the 7726H as the Q series does command queuing and the<BR>H does NOT. <BR><BR>the 7722 version is ONLY for CD/DVD and/or burners, NOT hard disks. it's about<BR>$58.00<BR><A href="http://www.newegg.com/Product/Product.asp?Item=N82E16815114107">http://www.newegg.com/Product/Product.asp?Item=N82E16815114107</A></div> <div> </div> <div><----------------------------snip-----------------------------------></div> <div>Sounds like this might be still cheeper the
n buying
a SCSI CD/DVD drive in the long run<BR><BR>Dave J. Andruczyk</div> <div> </div> <div>Thanks, Ron Maggio<BR><BR><BR><BR><BR>__________________________________ <BR>Yahoo! Mail - PC Magazine Editors' Choice 2005 <BR>http://mail.yahoo.com<BR>_______________________________________________<BR>nflug mailing list<BR>nflug@nflug.org<BR>http://www.nflug.org/mailman/listinfo/nflug<BR></div></BLOCKQUOTE><BR></DIV><p>
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