Luis campo wrote:
>
> Dear Sirs.
>
>
>
> I appreciate your response.
>
>
>
> Currently the server has set up a Raid-1 with 2 SCSI disks, it adds up to 6
> SCSI disks with the following configuration:
>
>
>
> - Raid-1 (4 SCSI disks)
>
> - Raid-1 (2 SCSI disks)
>
>
>
> Therefore will have 3 SCSI disk arrays.
>
>
>
> The server is not configured with LVM.
>
>
>
> CentOS 4.7 support this configuration?
Absolutely, if your doing it "online" you'll need to re-scan
the scsi bus or manually add the new LUN/ID to the system,
what I do is
- cat /proc/scsi/scsi
(take note of the ID string, e.g.
Host: scsi0 Channel: 00 Id: 01 Lun: 01 )
If the RAID controller presents the new array as a new LUN
then do something like:
echo "scsi add-single-device 0 0 1 2" /proc/scsi/scsi
Will tell the system to scan for LUN #2
If the controller presents the new array as another SCSI
ID, then I would use "0 0 2 0" or perhaps 0 0 2 1 as the
sequence.
Otherwise you can reboot and the system will detect it
automatically.
As for the disk size thing, that is normal, the system is
correctly detecting the size.
nate
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