Emulex LP9802DC Manuale Utente Scaricare il pdf (Pagina 18)

NUMBDES

Minimum value = 2000, maximum value = 5000 (decimal). Default = 4000;

This parameter allows resources to be tuned for the number of devices. Each BDE

resource consumes 12 bytes of memory. The default value should be satisfactory for

most cases.

NUMDEVICES

Minimum value = 0, maximum value = 1000 (decimal). Default = 400;

NUMDEVICES specifies the maximum number of target devices that might be

connected to the fabric. The default value should be satisfactory for most cases.

NOTE: To allow for loop operations, 126 additional devices are always enabled.

N_TIMEOUT

Minimum value = 0, maximum value = 300 (decimal). Default = 20;

Node timeout controls a "second chance" for a "disappearing" device. After events such

as cable disconnect/reconnect or drive removal/insertion, the driver checks what

devices it has found. If that list does not include a previously found device, and this

value is not 0, the driver waits the specified number of seconds and then restarts the

checking. If the device is found on the second try, then the device is considered to be

available; if it is still not found, the driver will reject any further attempts to access it.

The default value should be satisfactory for most cases. CLARiiON RAID arrays may

require setting the value to 90.

RSCNADISC

Boolean parameter: 0 = not selected, 1 = selected. Default is RSCNADISC=1;

RSCNADISC is used in link error recovery situations. When set to 1 (default), the

system uses ADISC when possible to rediscover a node. If set to 0, only PLOGI is

used.

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Emulex LP9802DC Manuale Utente Pagina 18