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Back to UserFriendly Strip Comments Index

In the market for rack-mounted hardware. by rorajoey2005-05-03 11:38:44
  Doesn't make sense to use SCSI by Myke2005-05-03 12:32:55
    Ummm...Isn't striping a form of RAID array? by classic_jon2005-05-03 14:33:22
      Striping is NOT RAID by Myke2005-05-03 14:58:56
        Understood about *nix and RAID but from by classic_jon2005-05-03 15:36:25
          Okay... by Myke2005-05-03 16:50:02
            ACSP by classic_jon 2005-05-03 17:22:33
Means Adaptec Certified Storage Professional. Not a real common cert but pretty nice to pull out when you need it. 90% of it is common sense, the rest is just reading the guide they send you. The other 10% is pretty useful info to boot. Funny part is that Adaptec's install CD's run a *nix variant even though they profess to be Windows partial, heh.

I can rebuild or save just about any RAID array on an Adaptec setup. ...Notice I said "just about" =) Adaptec has an undocumented feature on its cards that will let you recover a
RAID-0 ...sometimes ...when the moon is full ...and you stand JUUUUUST so.... =). That database I was talking about earlier had a drive that just decided to drop out of the 5 drive RAID-0 and we lost it all...OUCH!! ...$10k an hour lost...took 2 days to get back to fully operational status and back on the original server. I ended up restoring the last valid backup to another server and applying the hourly differentials to it....at 38 gb ...it took a while. Never did figure why the drive dropped off. Scanned it and found no surface or SMART errors.

Warning-<rant ahead>:
I think it knew I hated not running a RAID-5 on it and did it because I wanted it to. I think it is stupid to be running a 38gb DB across a RAID-0 set that is the core app of your company!! Talk about courting disaster... at $10k an hour lost and a 320mb transfer capability SCSI controller the capability lost was somewhere around 1% by using a 5 drive RAID-5 array as opposed to the RAIND-0. The writes to the DB were actually faster with the RAID-5 than the RAID-0 because all of the data was in itty biity chunks and the program wrote everything in one BIG-A$$ statement to the DB in one shot. Can you say bad code? ...I knew you could!
<end-rant>

Your setup sounds awsome! I wanted something like that at my old company and was almost to that point when the "Fit hit the Sham" and the president screwed us with the Feds...looong story...but I am MUCH happier here so =)
[ Reply ]
              Ah. by Myke2005-05-03 23:53:48

 

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