/proc is eating my disk man Post: 34009

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Top Forums UNIX for Dummies Questions & Answers /proc is eating my disk man Post 34009 by hcclnoodles on Thursday 30th of January 2003 09:22:47 AM

01-30-2003

Registered User

/proc is eating my disk man

hi

I have an sun ultra 5 running a firewall which has logging enabled (essential). The disk is sliced up with /proc on / (c0t0d0s0). / is sliced at 3 gig. My problem is this, one afternoon, a manager asked me to retrieve some firewall logs, so i went into the relevant directory (also on the / slice) and typed 'ls -l', for some reason the last 6 days logs were empty (0 bytes), so my first instinct was to run 'df -k' to see how much space was left on /, as i thought it was at 100%, so at root i used 'du -sk *' to check what was eating the space, everything was fine apart from /proc which reported 2.6 gig. I delved deeper and indeed found directories ie 156 and 24967 which both came in at nearly a gig each.

Everthing I have read has said that /proc is virtual and these direcotries dont actuall eat any space, but if this is the case how come DF and DU report on it and how come when DF reports 100% on / because of these so called virtual files, It doesnt allow me to write anything to the disk, Ive even tried to create afile on /
using 'touch file' with no joy

Any help on this extremely frustrating matter would be greatly appreciated

regards
Gary

hcclnoodles

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quotacheck

quotacheck(1M)						  System Administration Commands					    quotacheck(1M)

NAME

       quotacheck - ufs file system quota consistency checker

SYNOPSIS

       quotacheck [-fp] [-v] filesystem...

       quotacheck -a [-fpv]

DESCRIPTION

       quotacheck  examines  each  mounted  ufs file system, builds a table of current disk usage, and compares this table against the information
       stored in the file system's disk quota file. If any inconsistencies are detected, both the quota file and the current system  copy  of  the
       incorrect quotas are updated.

       filesystem is either a file system mount point or the block device  on which the file system resides.

       quotacheck  expects  each file system to be checked to have a quota file named quotas in the root directory. If none is present, quotacheck
       will not check the file system.

       quotacheck accesses the character special device in calculating the actual disk usage for each  user.  Thus,  the  file	systems  that  are
       checked should be quiescent while quotacheck is running.

OPTIONS

       The following options are supported:

       -a	Check the file systems which /etc/mnttab indicates are ufs file systems.  These file systems must be read-write mounted  with disk
		quotas enabled, and have an rq entry in the mntopts field in /etc/vfstab.

       -f	Force check on file systems with logging enabled. Use in combination with the -p option.

       -p	Check quotas of file systems in parallel. For file systems with logging enabled, no check is performed unless  the  -f	option	is
		also specified.

       -v	Indicate the calculated disk quotas for each user on a particular file system. quotacheck normally reports only those quotas modi-
		fied.

USAGE

       See largefile(5) for the description of the behavior of quotacheck when encountering files greater than or equal to 2 Gbyte ( 2**31 bytes).

FILES

       /etc/mnttab     Mounted file systems

       /etc/vfstab     List of default parameters for each file system

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       edquota(1M), quota(1M), quotaon(1M), repquota(1M), attributes(5), largefile(5), quotactl(7I), mount_ufs(1M)

SunOS 5.10							    31 Jul 1998 						    quotacheck(1M)

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