Amministrazione di Arcserve Backup › Risoluzione dei problemi › Problemi di configurazione SAN › Shared IBM Devices Appear as Unavailable or Offline

Shared IBM Devices Appear as Unavailable or Offline

Valido per piattaforme Windows.

Sintomo

The shared IBM tape devices on SAN-attached Member servers are marked as unavailable or offline.

Se sono presenti unità nastro IBM Ultrium/LTO, in alcuni casi il driver del nastro IBM LTO (Windows 2003) invia un comando SCSI Reserve alle periferiche nastro quando queste vengono aperte dal server primario di Arcserve Backup. This is not a problem for the Primary server, but when the SAN-attached Member server tries to access these tape devices it will fail and the devices will not be usable from that server.

Soluzione

In the Arcserve Backup Activity log for the Member server, you may see SCSI Port errors when the Arcserve Backup Tape Engine service is started and tries to access these drives.

La procedura del registro di sistema descritta di seguito consente di configurare il driver del nastro IBM in modo che non invii il comando SCSI Reserve.

1. In the registry editor, access the registry key:

   \HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\
   

2. If the IBMtape driver is installed, search under the services key for a key name that is equal to the file name of the IBMtape driver.

   For example, if the file name of the IBMtape driver ibmtp2k3.sys, the key name is ibmtp2k3.

   Select the key, add a DWORD value named "DisableReserveUponOpen," and set it to 1.

3. Exit registry editor and reboot the server.