Updating platform sun4u boot archive

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In one of our previous post “Solaris Troubleshooting (Magic of Solaris 10) – Root Password Recovery for any Solaris 10 (without CD/DVD)”.

We tried to show how to recover system’s root password in Failsafe mode without any media for OS having single disk (i.e native device, c#t#d#s#).

Investigating the sizes of existing filessystems on the server, it might turn out that a particular filesystem is not very heavily being used.

In our instance (old-phys-server-ldom:/export/home size was 46GB and only 213MB of it was being used.

The following output is from the same system after a second hard disk drive has been installed: As shown above, the new hard drive has been assigned to the device file /dev/sdb.

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Next we need to specify where the partition will begin and end.Since this is the first partition we need it to start at cylinder 1 and since we want to use the entire disk we specify the last cylinder as the end.Note that if you wish to create multiple partitions you can specify the size of each partition by cylinders, bytes, kilobytes or megabytes.The next step is to create one or more Linux partitions on the new disk drive.This is achieved using the fdisk utility which takes as a command-line argument the device to be partitioned: As we can see from the above fdisk output the disk currently has no partitions because it is a previously unused disk.

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