Configure Cache Boot - Dell Force10 S4810P Configuration Manual

Configure Cache Boot

Cache Boot is supported on platforms:
Cache Boot is supported on E-Series ExaScale
FTOS Behavior: On E-Series ExaScale, the SFM auto upgrade feature is not supported with cacheboot. If you
attempt an SFM auto upgrade, you must reload the chassis to recover.
The Dell Force10 system has the ability to boot the chassis using a cached FTOS image. FTOS stores the
system image on the bootflash for each processor so that:
• the processors do not have to download the images during bootup, and
• the processors can boot in parallel rather than serially.
Booting the system by this method significantly reduces the time to bring the system online. Using Cache
Boot with Warm Upgrade significantly reduces downtime during an upgrade to bring the system online
during routine reloads.
Cache Boot can be configured during runtime. Dell Force10 recommends, however , that it be configured it
when the system is offline.
The bootflash is partitioned so that two separate images can be cached, one for each RPM.
Cache Boot Pre-requisites
The system must meet two requirements before you can use the cache boot feature:
1. On the E-Series, the cache boot feature requires RPM hardware revision 2.1 or later . Use the
command (shown below) to determine the version of your RPM. There is no hardware requirement for
C-Series. In the example below, the relevant information appears in red.
FTOS#show rpm
-- RPM card 0 --
Status
Next Boot
Card Type
Hardware Rev
Num Ports
Up Time
Last Restart
FTOS Version
Jumbo Capable : yes
CP Boot Flash
RP1 Boot Flash: A: 2.4.1.1
RP2 Boot Flash: A: 2.4.1.1
CP Mem Size
RP1 Mem Size
RP2 Mem Size
MMC Mem Size
External MMC
Temperature
454
| High Availability
c e
: active
: online
: RPM - Route Processor Module (LC-EF3-RPM)
: 2.2i
: 1
: 1 day, 4 hr, 25 min
: reset by user
: 4.7.5.427
: A: 2.4.1.1 [booted]
: 536870912 bytes
: 1073741824 bytes
: 1073741824 bytes
: 520962048 bytes
: n/a
: 32C
e x with FTOS 8.2.1.0. and later.
B: 2.4.1.1
B: 2.4.1.1 [booted]
B: 2.4.1.1 [booted]
show rpm