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Full Discussion: chfs increase /var limit at 512mb?
Operating Systems AIX chfs increase /var limit at 512mb? Post 302122740 by craigp84 on Thursday 21st of June 2007 07:13:10 AM
Old 06-21-2007
chfs increase /var limit at 512mb?
Is there a limit of 512Mb when doing a "chfs -a size=XXXXX /myfs" ?

I managed to increase /var to 512MB fine, no issues, then i wanted to increase /usr to 2Gb, but when i enter:

Code:
# chfs -a size=2260992 /usr                                                     
chfs: 0506-908 Cannot reduce size of file system.

What's causing this? Why can't i increase /usr?

I've pasted all the stuff i know of that might be relevant below, any other command that might be useful?

Many thanks,

Craig

Code:
lsfs
Name            Nodename   Mount Pt               VFS   Size    Options    Auto Accounting
/dev/hd4        --         /                      jfs   65536   --         yes  no 
/dev/hd1        --         /home                  jfs   65536   --         yes  no 
/dev/hd2        --         /usr                   jfs   2424832 --         yes  no 
/dev/hd9var     --         /var                   jfs   524288  --         yes  no 
/dev/hd3        --         /tmp                   jfs   131072  --         yes  no 
/proc           --         /proc                  procfs --      --         yes  no 
/dev/hd10opt    --         /opt                   jfs   131072  --         yes  no 

# df -k
Filesystem    1024-blocks      Free %Used    Iused %Iused Mounted on
/dev/hd4            32768     18172   45%     1632    10% /
/dev/hd2          1212416     32732   98%    29900    10% /usr
/dev/hd9var        262144    222416   16%      354     1% /var
/dev/hd3            65536     63424    4%       25     1% /tmp
/dev/hd1            32768     31684    4%       18     1% /home
/proc                   -         -    -         -     -  /proc
/dev/hd10opt        65536     14304   79%      981     6% /opt

# lspv                                                                          
hdisk0          0041c0da0006d691                    rootvg          active      
# lspv -l 0041c0da0006d691                                                      
pvid=0041c0da0006d691:                                                          
LV NAME               LPs   PPs   DISTRIBUTION          MOUNT POINT             
hd9var                8     8     00..00..08..00..00    /var                    
hd2                   37    37    00..00..37..00..00    /usr                    
hd4                   1     1     00..00..01..00..00    /                       
hd8                   1     1     00..00..01..00..00    N/A                     
hd6                   16    16    00..16..00..00..00    N/A                     
hd5                   1     1     01..00..00..00..00    N/A                     
hd10opt               2     2     00..00..02..00..00    /opt                    
hd1                   1     1     00..00..01..00..00    /home                   
hd3                   2     2     00..00..02..00..00    /tmp

 

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LEARN ABOUT REDHAT

logdump

logdump(8)						  JFS utility - journal log dump						logdump(8)

NAME

       logdump - dump a JFS formatted device's journal log

SYNOPSIS

       logdump [ -a ] device

DESCRIPTION

       logdump dumps the contents of the journal log from the specified JFS formatted device into output file ./jfslog.dmp.

       device is the special file name corresponding to the actual device from which the journal log will be dumped (e.g.  /dev/hdb1 ).

       logdump must be run as root.

OPTIONS

       -a     Dump the entire contents of the journal log instead of just the committed transactions since the last synch point.

EXAMPLE

       Dump the entire JFS journal log from the 3rd partition of the 2nd hard disk into ./jfslog.dmp:

	      logdump -a /dev/hdb3

REPORTING BUGS

       If you find a bug in JFS or logdump, please report it via the bug tracking system ("Report Bugs" section) of the JFS project web site:
       http://oss.software.ibm.com/jfs

       Please  send  as  much  pertinent information as possible, including any logdump error messages and the complete output of running fsck.jfs
       with the -v option on the JFS device.

SEE ALSO

       xchklog(8), xchkdmp(8), mkfs.jfs(8), fsck.jfs(8), logredo(8), xpeek(8)

AUTHORS

       Barry Arndt  (barndt@us.ibm.com)
       William Braswell, Jr.

       logdump is maintained by IBM.
       See the JFS project web site for more details:
       http://oss.software.ibm.com/jfs

								 October 10, 2001							logdump(8)
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