Some 3Ware questions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]



Peter Arremann <loony@xxxxxxxxxxxx> wrote:
> When initializing a raid 1, the controller wipes out all
> data according to the manuals. Every now and then you hear 
> from people that say that the controller copies everything
> from disk1 to disk2 and if your IDE controller sector 
> mapping matches what the 3ware controller does, you can
> keep your data in tact.

Actually, for RAID-1, 3Ware does _not_ using additional
blocking/organization, and does a direct mirror.  I.e., the
disks _can_ be used "normally."

For RAID-0, 10 and 5, 3Ware uses 32KiB blocking and the
volumes are completely _unusable_ by anything else AFAIK
(maybe LVM2-MD?).




-- 
Bryan J. Smith                | Sent from Yahoo Mail
mailto:b.j.smith@xxxxxxxx     |  (please excuse any
http://thebs413.blogspot.com/ |   missing headers)

[Index of Archives]     [CentOS]     [CentOS Announce]     [CentOS Development]     [CentOS ARM Devel]     [CentOS Docs]     [CentOS Virtualization]     [Carrier Grade Linux]     [Linux Media]     [Asterisk]     [DCCP]     [Netdev]     [Xorg]     [Linux USB]
  Powered by Linux