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Old 03-30-2009
aixn00b aixn00b is offline
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AIX Free disk space

Hello,

I would like to free some space to install gcc with is about 50M large, and I have no free space on my system. What can I delete?


Filesystem 1024-blocks Used Free %Used Iused Ifree %Iused Mounted on
/dev/hd4 262144 145436 116708 56% 7981 26730 23% /
/dev/hd2 1703936 1617496 86440 95% 36843 22749 62% /usr
/dev/hd9var 131072 44564 86508 34% 518 19442 3% /var
/dev/hd3 131072 15700 115372 12% 149 25745 1% /tmp
/dev/hd1 131072 392 130680 1% 10 29126 1% /home
/dev/hd11admin 131072 74368 56704 57% 59 12733 1% /admin
/proc - - - - - - - /proc
/dev/hd10opt 917504 853452 64052 94% 29813 16484 65% /opt



I would like to remove CDE, how could I do that?

Thank you!

PS: I am using AIX 6.1
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Old 03-31-2009
faruk faruk is offline
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Hello,

Usually gcc packages will be installed in /usr. So you can install it as /usr have enough space.

Still you want to increase /usr check for the free PP's in rootvg and you can extend /usr filesystem online.
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Old 03-31-2009
aixn00b aixn00b is offline
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Quote:
Originally Posted by faruk View Post
Hello,

Still you want to increase /usr check for the free PP's in rootvg and you can extend /usr filesystem online.
Excuse me, what are PP's ? How should I do that?
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Old 03-31-2009
faruk faruk is offline
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"lsvg rootvg" from this command you can find the Number of free PPs.
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Old 03-31-2009
aixn00b aixn00b is offline
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Here is the output:


VOLUME GROUP: rootvg VG IDENTIFIER: 00581a4f00004c00000001200e63b00a
VG STATE: active PP SIZE: 128 megabyte(s)
VG PERMISSION: read/write TOTAL PPs: 271 (34688 megabytes)
MAX LVs: 256 FREE PPs: 238 (30464 megabytes)
LVs: 11 USED PPs: 33 (4224 megabytes)
OPEN LVs: 9 QUORUM: 2 (Enabled)
TOTAL PVs: 1 VG DESCRIPTORS: 2
STALE PVs: 0 STALE PPs: 0
ACTIVE PVs: 1 AUTO ON: yes
MAX PPs per VG: 32512
MAX PPs per PV: 1016 MAX PVs: 32
LTG size (Dynamic): 256 kilobyte(s) AUTO SYNC: no
HOT SPARE: no BB POLICY: relocatable

There should be 30 Gigs of space and I don't understand where are they.
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Old 03-31-2009
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kah00na kah00na is offline
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Think of "PP"s like chunks of space in your volume group. Increases or decreases in the size of your filesystems will occur in your case 128MB at a time. You can't give a filesystem 127MB or 129MB. It will increase or decrease by 128MB because that is your PP size.

It looks like you have 30 gig free.

Code:
FREE PPs: 238 (30464 megabytes)

238 PPs * 128MB PP size = 30464 MB free

Run this command to change the size of your /usr filesystem. I have mine sized around 3 gig. This command sets the /usr to 3 gig:


Code:
chfs -a size=3G /usr

If you want to want to increase, you can do 128MB (or whatever size you want) increases like this:


Code:
chfs -a size=+128M /usr

This just adds 128M to whatever is already there. If you try to increase your /usr by 1MB, it will give it another 128MB because that is your PP size.

Also, to see your filesystem sizes in a format that makes more sense, run "df -Im":


Code:
hostname:/:$ df -Im /usr
Filesystem    MB blocks      Used      Free %Used Mounted on
/dev/hd2        3464.00   2263.11   1200.89   66% /usr

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Old 04-01-2009
aixn00b aixn00b is offline
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Thank you very much, that worked and I have extended my partitions! PS: Do you know a good document where these things are explained?
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