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Operating Systems Solaris Unable to list files in a directory
# 1  
Old 03-31-2015
Unable to list files in a directory
Hi have a system running solaris with a mount point running 58% capacity used, but unfortunately when I type
Code:
ls -lrt

in a specific directory, it returns:
Code:
ls: Not enough space

. I suspect there are millions of files in this directory.
So what I did is to create a script like this:
Code:
touch -mt 201503040000 /var/tmp/ref1
touch -mt 201503092359 /var/tmp/ref2
find /directory/subdirectory -type f \ ( -newer /var/tmp/ref1 -a ! -newer /var/tmp/ref2 \) -exec rm {} \;

The script apparently runs, because does not return any error, but the free space on that subdir does not increase, or nothing appears to change.

Any help will be appreciated
# 2  
Old 03-31-2015
Check your free inodes and also your swap space...
# 3  
Old 03-31-2015
Quote:
Originally Posted by fretagi
Hi have a system running solaris with a mount point running 58% capacity used, but unfortunately when I type
Code:
ls -lrt

in a specific directory, it returns:
Code:
ls: Not enough space

.
Not enough space to sort the results, probably. find, as you've discovered, can cope because it doesn't sort at all.

Try -exec echo instead of -exec rm to see if any files are matching at all.
# 4  
Old 03-31-2015
List the files with
Code:
find . -ls

# 5  
Old 03-31-2015
Try

df -g mountpoint

Code:
df -g /local
/local             (/local            ):         8192 block size          1024 frag size
528718676 total blocks  242831070 free blocks 237543884 available       31810688 total files
31649815 free files     30933022 filesys id
     ufs fstype       0x00000004 flag             255 filename length

You want to see how many files are on the filesystem and how many free inodes (file slots). This bypasses all directories. Your directory is either "broken" which means it is fsck time, or your directory has waaay too many entries.
Last edited by jim mcnamara; 03-31-2015 at 11:48 PM..
# 6  
Old 04-01-2015
Hi

Thank you for the replies, the
Code:
df -g /mount point

, produce me the follwoing results
Code:
 df -g /opt/optima
/opt/optima        (/dev/dsk/c0t0d0s4 ):         8192 block size          1024 frag size
174504966 total blocks   74857050 free blocks 73112002 available       10500672 total files
  503155 free files      8388620 filesys id
     ufs fstype       0x00000004 flag             255 filename length

the
Code:
find. ls

does list the files slowly.... and they are
Code:
csv

extension.
They want me to delete all march files...

swap space:
Code:
 swap -s
total: 256344k bytes allocated + 34752k reserved = 291096k used, 12758600k available

and
Code:
 swap -l
swapfile             dev  swaplo blocks   free
/dev/dsk/c0t0d0s1   32,9      16 20975120 20975120

# 7  
Old 04-01-2015
A ufs filesystem becomes exponentially slow with the number of files per directory.
As a rule of thumb, do not have more than 10000 files per directory!
If this is Solaris 10, zfs would be the better alternative for such a work load.
Your method works, and can be augmented with a -ls to show what's being deleted.
Terminate the -exec rm with a +, that reduces the numbers of forks, i.e. is more efficient. In effect it does
rm file1 file2 file3 ... rather than rm file1; rm file2; rm file3; ....
rm might prompt in certain conditions when it sees a terminal. rm -f prevents it.
Code:
find /directory/subdirectory -type f \( -newer /var/tmp/ref1 -a ! -newer /var/tmp/ref2 \) -ls -exec rm -f {} +
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