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04-27-2013 07:53 PM
04-27-2013 07:53 PM
HPUX 11.31 - directory size limitation?
Hello all,
Quick qestion - does anyone know if there is a _directory_ size limit in 11.31? Here's the output of HPUX version and lvm version:
swlist -l product|grep -i lvm
LVM B.11.31.1104 LVM
LVM-Core B.11.31 HP-UX Kernel support for the logical volume manager
LVM-MirrorDisk B.11.31 MirrorDisk/UX
PHCO_37328 1.0 mkboot(1M) patch for LVM and HPVM
PHKL_38079 1.0 PRM/FSS cumulative patch with LVM enhancement
AND
swlist|grep -i enter
HPUX11i-OE-Ent B.11.31.0709 HP-UX Enterprise Operating Environment
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04-27-2013 09:01 PM
04-27-2013 09:01 PM
Re: HP-UX 11.31 - directory size limitation?
I don't know of any limit other than performance.
Probably anything over 10,000s goes bad quickly.
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04-29-2013 05:05 AM
04-29-2013 05:05 AM
Re: HPUX 11.31 - directory size limitation?
There is no practical limit for a VxFS directory. Millions and millions of files and subdirectories can be part of the directory structure. I am assuming you are referring to the quantity of files and not the size of the files in the directory. The real concern is managing massively large directory entries. Simple commands like ll and fileame matching (ie, *) won't be pratical. You'll need to know the exact name of the file or if using a regex to match filenames, the match must return something less than the maximum length of a command line (as in shell scripts or interactive). Commands that search or summarize directories (ie, find, du, etc) will take a long time and require a lot of I/O.
Bill Hassell, sysadmin