Fujitsu eternus af Manual de configuração - Página 11
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Chapter 3
Notes
3.3
LVM Notes
Combination of devices
Maximum link speed of Fibre Channel
card
4Gbit/s
2Gbit/s
When connecting to a 1Gbit/s-only Fibre Channel card, the "Automatic" (default) Fibre Channel switch port
link speed must be used.
If the devices being connected together both have automatically set link speeds, the resulting link speed
may be less than optimal. The default link speed setting for Fibre Channel switch ports is "Automatic". The
link speed setting of a true HP Fibre Channel card cannot be changed to other than "Automatic", so the
Fibre Channel switch port link speeds must be fixed to match the actual speed of the server-side Fibre
Channel cards, as per the above table, so that the same link speed is always used.
Set AD355A and AD299A Fibre Channel card connected Fibre Channel switch ports to not LinkUp via the L-
•
Port. This is because AD355A and AD299A Fibre Channel cards do not support PublicLoop LinkUp, and this
setting prevents them from attempting to do so.
Example:
When an AD355A is connected to switch port 4 of an ETERNUS SN200 series, execute the following com-
mand to disable LinkUp via the L-Port on port 4:
portCfgGPort 4 1
3.3
LVM Notes
A mirrored LVM configuration using the ETERNUS AF/DX storage systems' LUNs is not recommended.
•
[Bad Block Relocation] attribute must be disabled on LVM Logical volume which resides on the ETERNUS
•
AF/DX storage systems' LUNs.
Example:
-
# lvchange -r N /dev/vg01/lvol_name
Execute this command for all logical volumes created on ETERNUS AF/DX storage systems' LUNs to disable
[Bad Block Relocation]. If [Bad Block Relocation] is not disabled, file system may be damaged.
Raw device access to an LVM logical volume must use an I/O block size that is a multiple of 1024bytes.
•
FUJITSU Storage ETERNUS AF, ETERNUS DX Configuration Guide -Server Connection- (Fibre Channel) for HP-UX
Maximum link speed of Fibre Channel
switch
32Gbit/s
16Gbit/s
8Gbit/s
4Gbit/s
2Gbit/s
32Gbit/s
16Gbit/s
8Gbit/s
4Gbit/s
2Gbit/s
11
Copyright 2020 FUJITSU LIMITED
Set the Fibre Channel switch port link
speed to...
—
4Gbit/s fixed
4Gbit/s fixed
4Gbit/s fixed
2Gbit/s fixed
—
—
2Gbit/s fixed
2Gbit/s fixed
2Gbit/s fixed
P3AM-3772-22ENZ0