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Thread: increasing ufs file system size in solaris
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Old 11-30-2005
Just Ice's Avatar
Just Ice Just Ice is offline Forum Advisor  
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Join Date: Mar 2005
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Code:
if the 2nd drive is empty or reconfigurable --- 

1. partition the 2nd drive into the setup you want to be the final layout

2. newfs all the new data partitions on the 2nd drive

3. copy all the data over from the 1st drive to it's new home on the 2nd drive


if you plan on booting up the 2nd drive as another boot device ---

1. install boot block on / partition of 2nd drive

2. edit /etc/vfstab on 2nd drive to reflect correct disk devices for mounting


if you plan on physically swapping drives ---

1. install boot block on / partition of 2nd drive

2. power off system, swap drives in slot0 and slot1, and boot

... for your first time doing this, i suggest you try to boot the 2nd drive as an alternate boot device as failure of that drive to boot means you missed a step and swapping drives will not make it work any better ...

anyways, i've found through the years that having the / filesystem include everything gave me much more flexibility than breaking out some of it's components --- i.e., the unused spaces in /home, /usr and /var are easily reclaimed if i need more space in /, i can create as many directories as i want without resorting to creative symlinks all over the place, etc. ...

however, there are times i'd at least want some of the sub-directories broken off --- i.e., /var should be it's own filesystem if there is a massive amount of system log activity or if the server is a mail server, /home should be it's own filesystem if you want to contain and enforce quotas on user data, etc.

you need to figure out how you folks want to support the server and how the server is going to be used in the long term so you'll know your better if you want to split out sub-directories into their own filesystems ...

for pointers on intra-disk copies see this script