Cisco CRS-1 - Carrier Routing System Router Getting Started Manual page 138

Selecting and Obtaining Software Packages
Figure 6-2
TFTP, FTP, or RCP
file server (archive of
PIE and .vm files)
Files with the .vm extension are bootable installation files used only to replace all current Cisco IOS XR
Note
software. These files are installed from ROMMON and cause significant router downtime. Cisco
Systems recommends installing or upgrading software packages using only PIE files, as described in this
document. See
Flash disk1: (Removable): Archive of Installation PIE Files
The removable flash disk (disk1:) is used to store PIE files. On new systems, an archive of PIE files is
included on the disk and can be used to add new software to the internal flash disk (disk0:).
See the
for information on obtaining a list of available PIE files.
Cisco CRS-1 Series Carrier Routing System Getting Started Guide
6-16
Where to Locate and Store PIE Installation Files
Flash disk0:
(internal)
Active software
and configurations
Network
Appendix A, "ROM Monitor Guide"
"Obtaining Cisco IOS XR Software and Version Information from Cisco" section on page 6-15
Chapter 6 Managing Cisco IOS XR Software Packages
RP
Console
AUX
The hard disk drive stores
HDD
nonfunctional files such as
system logs, temporary files,
and user files.
PC Card
Flash disk1:
(disk1:)
(removable)
Archive of
installation files
CNTL ETH 0
CNTL ETH 1
MGMT ETH
Primary
Status
for information.