Re: [squid-users] HDD Configuration Recommendations

John Doe ha scritto:
>> I'm preparing to move my squid to new hardware. I have two 500GB
>> SATA HDD's in the new box which will be used to store squid's cache
>> on. Any suggestions on the best raid config for these guys so as to
>> maximize performance?
>
> two disks = RAID 0 or 1
>
> RAID 1 is mirroring:
> - Pros: safe (goes on even with a dead HD), fast reads (from both disks)
> - Cons: you only use 50% of total HD space (500GB total in your case).
>
> RAID 0 is stripping:
> - Pros: fast reads/writes and you use 100% of total HD (1TB)
> - Cons: unsafe (you lose 1 HD, you lose everything).
>
> Or just don't use RAID and create a cache_dir on each HD...
> Best would be RAID1 for the system and no RAID for the cache_dirs I think.
>
> JD
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I would add that a dead or malfunctioning drive could harm service
uptime if the caache dirs are not on raid1.
Therefore I would suggest keeping everything on raid1.

-- 
Marcello Romani
Responsabile IT
Ottotecnica s.r.l.
http://www.ottotecnica.com