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Manual Chapter: Creating a Bootable USB Thumb Drive
Manual Chapter
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You can use the mkdisk utility to create a bootable USB thumb drive containing a software installation image. You can then use that thumb drive as the installation source to install the software and recover the system.
You use the mkdisk utility to create a bootable thumb drive in the following situations:
You want to upgrade to version 10.x from version 9.3.x or 9.4.x, and you do not have the installation image on the system hard drive.
Note: You can find the mkdisk utility in the full release software ISO installation image, but not in a hotfix ISO installation image.
When you create a bootable thumb drive, you can use a BIG-IP® system, or you can use a Linux workstation.
The system you use to create a bootable thumb drive must contain a number of non-TMOS® system software components and third-party utilities. For information about non-TMOS software components and third-party utilities, see the associated documentation. The system you use to create the bootable thumb drive must contain these software components and third-party utilities:
The Library for WWW in Perl (LWP) package
For downloading and other information about the LWP Perl module collection, search the Comprehensive Perl Archive Network (CPAN) programming library, available at http://www.cpan.org/, or use another source, such as a Red Hat Package Manager (RPM) file (http://rpm.org/), the Advanced Packaging Tool apt-get program (http://linux.die.net/man/8/apt-get), or another reliable source.
Utilities for disk and image manipulation
The required utilities depend on the BIG-IP platform that you plan to use the thumb drive to install.
For BIG-IP platforms 1600, 3600, 3900, 6900, and 8900, the workstation must have the following utilities:
sfdisk: changes disk partitioning.
mke2fs: creates a Linux (ext2) file system.
extlinux: represents a lightweight bootloader that starts up computers with the Linux kernel.
For BIG-IP platforms 1500, 3400, 3410, 6400, 6800, 8400, and 8800, the workstation must have the following utilities:
sfdisk: changes disk partitioning.
mformat: creates a FAT32 file system.
syslinux: represents a lightweight bootloader that starts up computers with the Linux kernel.
mkisofs: creates an ISO9660 file system image.
implantisomd5: implants an MD5 checksum in an ISO9660 image.
For 10.x VIPRION® platforms, the workstation must have the following utilities:
sfdisk: changes disk partitioning.
mke2fs: creates a Linux (ext2) file system.
mkelfImage: makes an Executable and Linkable Format (ELF) boot image for Linux kernel images.
Important: You cannot create a bootable thumb drive on a version 9.6.x VIPRION system. You must use a version 10.x VIPRION system.
1.
Log on to the Linux workstation or BIG-IP system as root, since you need block-level access to the thumb drive.
2.
Mount the BIG-IP .iso file as a loopback device, or insert a BIG-IP DVD (not a CD-ROM) into the DVD drive. Either way, this process assumes that the .iso file or DVD drive is mounted at /mnt/cd. (If you do not have this directory, you must create it. If you create it, use the exact name /mnt/cd.) To mount the .iso file, run the command:
5.
To start the mkdisk script from that directory, run the command:
a)
b)
Specify the device to be used in the mkdisk operation (that is, the thumb drive you are creating).
d)
Specify the product (for example, BIG-IP 10.1.0) to transfer, or if there is only one product, type y to transfer that software.
The operation checks for the required tools, and creates the thumb drive, which takes approximately two or three minutes on a BIG-IP® 1600 system. The interval on other systems varies.
Important: Before you boot to the MOS, make sure you have console access to the system, either through a console server or directly through the serial connection. Once you boot into the MOS, you lose connection with the system.
3.
When the boot process begins, select boot device sda from the kboot grub menu to boot to the MOS on the attached thumb drive.
Note: On VIPRION systems, if you attach a USB DVD drive containing a bootable CD or DVD you create by copying the ISO image to the disc, when you reboot, the menu item to select is sr0.
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