The kernel still needs to support the RAID card. I think the original
poster refered to the RAID file system to be completely transparent to
the OS contrary to software RAID where the kernel needs to handle all
RAID functionality. When using a RAID card the card handles everything
related to the RAID array (reading, syncin, rebuilding a replaced drive
We have a production 4.1.1 box that is acting as a mail server. We are
wanting to beef this box up a bit for a little more survivability.
1) If we put in a newer hardware raid card does the os/kernel still
driver to see it? Or does a hardware raid solution eliminate the need
any drivers. We are just a bit concerned due to our OS being a bit
and thinking that our raid options might be limited or very
realize that the original poster said that "Yes, the RAIDing is
transparent to the OS.", which confusing me as to why there is a
raid card list.
2) Can a mirror be made out of an existing drive. I have heard the
that theYes, that's true. At least my cheap FastTrak TX2 offers the option of
creating a RAID1 array using an existing disk. Unfurtunetly I don't have
experience in how realible this rebuild is if the disk are completely
different for example.
Adaptec 2100A can make a mirror off of existing data, but alas this is
supported by FreeBSD as they recommend the 2400A.
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