Dell DCL and 3 Guide de l'utilisateur Page 73

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 254
  • Table des matières
  • DEPANNAGE
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 72
PERC 3/DC and PERC 3/DCL Features 71
SCSI Connectors
The PERC 3/DC and PERC 3/DCL adapter has two types of SCSI
connectors:
Two 68-pin high density internal connectors
Two 68-pin external ultra-high-density connectors
Only one connector type can be used for the SCSI channel at any one time.
SCSI Termination
PERC 3/DC and PERC 3/DCL uses active termination on the SCSI bus
conforming to SCSI-2 and SCSI-3 specifications. Termination
enable/disable is automatic through cable detection.
SCSI Firmware
The PERC 3/DC and PERC 3/DCL firmware handles all RAID and SCSI
command processing and supports the feature listed in Table 5-8.
Table 5-8. SCSI Firmware
Feature Description
Disconnect/
reconnect
Optimizes SCSI bus seek.
Tagged command
queuing
Multiple tags to improve random access
Scatter/gather A single command can transfer data to and from different
memory locations.
Multi-threading Up to 255 simultaneous commands with elevator sorting
and concatenation of requests per SCSI channel
Stripe size Variable for all logical drives: 2 KB, 4 KB, 8 KB, 16 KB,
32 KB, 64 KB, or 128 KB
Rebuild Multiple rebuilds and consistency checks with user-
definable priority
Vue de la page 72
1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 253 254

Commentaires sur ces manuels

Pas de commentaire