Dell PowerVault TL1000, Руководство пользователя

Страница: 93 / 192

Configuring logical library settings
Select Configure Library > Logical to configure the library access mode for the logical library and the
number of active cartridge slots.
Configure the library access mode with the following settings:
v Library mode
- The library mode can be set to Random or Sequential.
– Random - In random mode, the library allows the server's (host's) application software to select any
data cartridge in any order.
– Sequential - In sequential mode, the library's firmware predefines the selection of the cartridges.
After initialization, the firmware causes the library to select the first available cartridge found
(counting from the lowest Column/Tier position through the highest cartridge position in your
library) for loading into the drive. See “Location coordinates and element addresses” on page 8.
Loop
- Sequential mode with loop mode ON loads the cartridge in the lowest Column/Tier
cartridge position after the cartridge in the highest Column/Tier cartridge position is filled with
data and sent back to its home position. This mode allows endless backup operations without user
interaction.
Autoload
- Sequential mode with autoload mode ON loads the first available cartridge (the lowest
Column/Tier cartridge position that contains a cartridge) automatically if the library powers ON, or
resets, with an empty drive. If the library powers ON with a cartridge already in the drive,
sequential mode will start from the home position of that cartridge, unless the host issues a rewind
and unload command to the drive, in which case the next cartridge in sequence will be loaded into
the drive.
To start sequential mode if autoload is OFF, select the
Move Cartridges
command to load the first
cartridge into the drive. The sequence starts from the home position of that cartridge. Cartridges need
not to be in contiguous slots.
To stop sequential mode, select the
Move Cartridges command to unload the drive. This mode cancels
sequential mode; the next sequential cartridge is NOT loaded.
To restart sequential mode, select the
Move Cartridges command again to load a cartridge; the loading
sequence resumes from the home position of that cartridge.
v Number of active slots
- Select the number of active slots you would like to assign in your library.
Selecting the number of active slots defines the number of storage slots, number of cleaning/inactive
slots, whether the I/O station is enabled/disabled, and whether auto cleaning is allowed.
The first digit configures the number of active storage positions (4, 6, 8, or 9). The second digit
configures Column 5, Tier 1 of the magazine as an I/O Station (0 when disabled, and 1 when enabled).
The Auto Cleaning function can be enabled only if there is at least one inactive position in the
magazine. If auto cleaning is enabled, the inactive positions become cleaning cartridge positions.
Click Submit to transfer the settings to the library. A dialog message is displayed when the settings are
updated successfully.
Click Refresh to read the current settings from the library.
a29z0124
Figure 89. Logical library settings screen
Operations
75