[TriLUG] Hardware: Most reliable IDE HD brand?

B. Evans bpevans at bellsouth.net
Sun Dec 1 20:32:00 EST 2002


Mike Johnson wrote:

>B. Evans [bpevans at bellsouth.net] wrote:
>
>  
>
>>Doesn't sound like a very good situation these days.  I ask because I 
>>want to setup a cheap RAID 0 file server.   I really need only about 4gb 
>>so size isn't an issue.  Would a SCSI RAID0 system be any more reliable 
>>for near the same cost?
>>    
>>
>
>Er, you're setting up RAID0 and worried about reliability?  Do you maybe
>mean RAID1?
>
>RAID0 is striping.  No redundancy.  It's fast, but if you loose one
>drive in the stripe, you loose -all- data.  So if you think about it,
>RAID0 is actually -worse- for reliability than a single drive.
>
>Now, what's the purpose of the file server?  You actually might want to
>consider RAID1, if you're after reliability.  It's a little slower on
>writes than a single drive and slower than RAID0 on writes, but it's as
>fast (or faster) than a single drive on reads and if you loose one
>drive, you keep on chugging (no data loss).  You can even have a hot
>spare and if one drive fails, the hot spare will be automagically
>swapped in.  If you're looking at 4GB, you can get SCSI drives of that
>size relatively cheap. Buy three 4GB drives and a card and off you go.
>
>Mike
>  
>
Sorry,  You're right. I meant to say RAID 1 (mirroring).   Where would I 
go about finding inexpensive, small SCSI disks and an inexpensive 
controller?

Thanks,
bp





More information about the TriLUG mailing list