Disk Formatting; Verifying The Disk File System; Setting Up Disk Mirroring; Swapping Mirrored Disks - Cisco CRS-1 - Carrier Routing System Router Migration Manual

Cisco IOS-XR Flash Disk Requirements for Migration to CRS-3

Disk Formatting

Format the 4GB flashdisk on standby RP disk1: by executing the following command
The above command will create a partition of 3.5/0.5 between disk1 and disk1a
Note Executing this command will not cause the RP to reset

Verifying the Disk File System

Verify the filesytem is changed to FAT32 file system and desired 80% and 20% partition between disk1
and disk1a disks by executing the following command

Setting Up Disk Mirroring

Mirror the primary disk0 and standby disk1 disks on Standby RP using the command
Verify that mirroring is enabled by executing the following command

Swapping Mirrored Disks

After verifying that disk mirroring is successfully enabled in the previous section, swap disk0 with disk1
(insert 4GB disk in disk0 slot)

Verifying Standby RP Disk Upgrade

Verify that the Standby RP boots with the 4GB flashdisk as the primary disk(disk0) on the Standby RP.
Cisco CRS-1 Carrier Routing System to Cisco CRS-3 Carrier Routing System Migration Guide
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RP/0/RP0/CPU0:router# show filesystem disk1:
Model: UNIGEN FLASH
Capacity: 8215201 Sectors, Total 4206182912 Bytes, (512 Bytes/sector
RP/0/RP0/CPU0:ios#format disk1: partition filesystem fat32 location 0/rp1/cpu0
RP/0/RP0/CPU0:ios#show media location 0/rp1/cpu0
Mountpoint FsType
================================================================================
/disk1: FAT16
/disk1a: FAT16
RP/0/RP0/CPU0: LOAD(config)#mirror location 0/rp1/cpu0 disk0:disk1:
RP/0/RP0/CPU0:LOAD#show mirror location 0/rp1/cpu0
Chapter 1 Migrating to a Cisco CRS-3 Carrier Routing System
FsType Size State
FAT32 3.4G Mounted
FAT32 0.5G Mounted
DrvrPid Mirror Flags
0032792 Enabled
0032792
OL-13669-03