Yes, hardware RAID is transparent to the OS provided that the OS supports the Hardware Raid Device, otherwise you will still see 2 independent hard drive.
You may want to check if your kernel supports your RAID devices, most of the time, I use a third party drivers to make the RAID devices known to my OS. Regards, -jon- On 5/18/07, Warren Beldad <[EMAIL PROTECTED]> wrote:
check the volume created on that array, check the volume mapping on your controller. there's a possibility that there are two volumes created or one volume but mapped on two hba's. does this two scsi device have the same size? the best way is check the mapping of the scsi device on the initiator(linux). you can use sg utilites. check which ID, LUN that this device mapped to. you can also check the system logs or post the /var/log/messages so that we can help you. hardware raid is more transparent to the OS. warren On 5/17/07, Linuxpol <[EMAIL PROTECTED]> wrote: > > > upon bios bootup it detects raid is online but i can still see /dev/sda > and /dev/sdb using fdisk -l. does it means my raid is not functioning? > > regards, > Paul Magahis > > *Federico Sevilla III <[EMAIL PROTECTED]>* wrote: > > On Thu, May 17, 2007 at 02:40:27AM -0700, Linuxpol wrote: > > Federico Sevilla III wrote: > >> After you've set up hardware RAID, it's transparent to the OS. > > > > i have another server with 2 hard drives and set it up as raid 1. ive > > installed debian etch and expecting to see only 1 hard drive because > > of raid 1 but how come i can still see 2 hard drives when i execute > > "fdisk -l" > > Hardware RAID is transparent to the OS. Software RAID is implemented by > the OS, so it's not transparent. You will still see all your hard drives (in > dmesg, or by using fdisk and company), but you should notice that you're now > mounting the software RAID devices, /dev/md*. > > Cheers! > > -- > Federico Sevilla III > F S 3 Consulting Inc. > http://www.fs3.ph > _________________________________________________ > Philippine Linux Users' Group (PLUG) Mailing List > [email protected] (#PLUG @ irc.free.net.ph) > Read the Guidelines: http://linux.org.ph/lists > Searchable Archives: http://archives.free.net.ph > > > ------------------------------ > Yahoo! oneSearch: Finally, mobile search that gives answers<http://us.rd.yahoo.com/evt=48252/*http://mobile.yahoo.com/mobileweb/onesearch?refer=1ONXIC>, > not web links. > > > _________________________________________________ > Philippine Linux Users' Group (PLUG) Mailing List > [email protected] (#PLUG @ irc.free.net.ph) > Read the Guidelines: http://linux.org.ph/lists > Searchable Archives: http://archives.free.net.ph > _________________________________________________ Philippine Linux Users' Group (PLUG) Mailing List [email protected] (#PLUG @ irc.free.net.ph) Read the Guidelines: http://linux.org.ph/lists Searchable Archives: http://archives.free.net.ph
-- Keyboard error, press F1 to continue
_________________________________________________ Philippine Linux Users' Group (PLUG) Mailing List [email protected] (#PLUG @ irc.free.net.ph) Read the Guidelines: http://linux.org.ph/lists Searchable Archives: http://archives.free.net.ph
