MSL6480 Getting Started Guide (rev 3) (QU625-96331, April 2014)

Planning the SAS configuration
WARNING! Only HP SAS RAID controllers are supported for use with the library. For supported
controllers see the EBS compatibility matrix at: http://www.hp.com/go/ebs.
Seuls les contrôleurs RAID SAS de HP sont compatibles avec la bibliothèque.
Pour connaître les contrôleurs pris en charge, consultez la matrice de compatibilité EBS à l'adresse :
http://www.hp.com/go/ebs.
Most SAS HBA ports have four SAS channels. A tape drive uses one channel, so each HBA port
can support up to four tape drives. You can use a cable with one connector on each end, but only
one channel will be used. The SAS fanout cable recommended for use with the library can connect
up to four SAS tape drives to a single SAS HBA port.
The library has a mini-SAS connector on each tape drive. The connector is keyed in location 4,
which is the standard location for end devices. If you use a cable other than the one recommended
for use with the product, verify that it is keyed in location 4.
CAUTION: High quality SAS cables rated at the transfer rate of the SAS components are required.
Always verify that the SAS cable you are using is rated for the data transfer speed of the interface
of your components. SAS cables described as "equalized" or “active” are not supported. For
optimum performance, only use HP cables of the length specified as qualified for your products.
Des câbles SAS haute qualité adaptés à la vitesse de transfert des composants SAS
sont requis. Vérifiez toujours que le câble SAS que vous utilisez est adapté à la vitesse de transfert
des données de l'interface de vos composants. Les câbles SAS décrits comme « corrigés » ou
« actifs » ne sont pas pris en charge. Pour une performance optimale, n'utilisez que des câbles
HP de la longueur indiquée comme étant autorisée pour vos produits.
Planning partitioning into logical libraries
You can partition a tape library with multiple tape drives into logical libraries. Each logical library
must contain at least one tape drive. Each logical library is configured independently, allowing
use by different backup applications and with different backup policies. For example, one logical
library could perform a backup operation for one department while the second logical library
restores data for another department. Data cartridges in one logical library cannot be shared with
other logical libraries.
The library partitioning scheme is very flexible. Slots can be assigned in five-slot groups, and the
groups do not need to be in contiguous locations. One or more tape drives can be assigned to
each logical library and the drives do not need to be contiguous or even installed in the same
module. The mailslot on each module can either be assigned to a logical library or shared.
12 Planning the installation