On 30-May-07, at 12:33 PM, Roch - PAE wrote:
Torrey McMahon writes:
Toby Thain wrote:
On 25-May-07, at 1:22 AM, Torrey McMahon wrote:
Toby Thain wrote:
On 22-May-07, at 11:01 AM, Louwtjie Burger wrote:
On 5/22/07, Pål Baltzersen <[EMAIL PROTECTED]> wrote:
What if your HW-RAID-controller dies? in say 2 years or more..
What will read your disks as a configured RAID? Do you know
how to
(re)configure the >controller or restore the config without
destroying your data? Do you know for sure that a >spare-part
and
firmware will be identical, or at least compatible? How good is
your service >subscription? Maybe only scrapyards and museums
will
have what you had. =o
Be careful when talking about RAID controllers in general.
They are
not created equal! ...
Hardware raid controllers have done the job for many years ...
Not quite the same job as ZFS, which offers integrity guarantees
that RAID subsystems cannot.
Depend on the guarantees. Some RAID systems have built in block
checksumming.
Which still isn't the same. Sigh.
Yep.....you get what you pay for. Funny how ZFS is free to purchase
isn't it?
With RAID level block checksumming, if the data gets
corrupted on it's way _to_ the array, that data is lost.
Or _from_. "There's many a slip 'twixt cup and lip."
--T
With ZFS and RAID-Z or Mirroring, you will recover the
data.
-r
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