Re: Limits in IFS

Tom,

I should have added that I am on V4R5 and IBM is constantly upping the 
limits.  V5R2 also includes that new *TYPE2 IFS file system that might 
have even upped them more. 

Since statfs does give numbers, I assume thet are right.  In our case, it 
is saying you can have 1,000,000 objects in the folder.

Mark






Tom Hightower <tomh@xxxxxxxxx>
Sent by: midrange-l-bounces@xxxxxxxxxxxx
02/20/2003 09:41 AM
Please respond to Midrange Systems Technical Discussion
 
        To:     midrange-l@xxxxxxxxxxxx
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        Subject:        Re: Limits in IFS



Do you have a link to some documentation that'll back this up?  One of our 

designers is planning on being able to store 250,000 (or more) docs in an 
IFS folder (!).

Using this statfs report, how many objects can I store in '/tomh'?:

Object....... /tomh
File system type....... "root" (/)
Block size...... 4096
Total blocks...... 180289536
Blocks fre....... 115972085
Object link maximum..... 1000000
Directory link maximum.... 1000000
Pathname component maximum...... 255
Path name maximum..... *No maximum
Change owner restricted..... Yes
No truncation........ Yes
Case Sensitivity.... No
Path of mounted file system.... /TOMH/
Path mounted over..... /TOMH/
Protection...... Read-write
Setuid execution..... Not supported
Mount type....... Not supported
Read buffer size..... Not supported
Write buffer size..... Not supported
Timeout........... Not supported
Retry Attempts......... Not supported
Retransmission Attempts..... Not supported
Regular file attribute minimum
   time...................... Not supported
Regular file attribute maximum
    time..................... Not supported
Directory attribute minimum
    time..................... Not supported
Directory attribute miximum
    time..................... Not supported
Force refresh of attributes on
    open.................... Not supported
Attribute and name caching...... Not supported
Data file CCSID......... Not supported
Pathname CCSID...... Not supported


Mark Phippard wrote:

> Mark,
> 
> The IFS has limits also, but they can be fairly easy to get around with
> just a little planning.  For example, lets say you have a main folder
> named /Documents where you want to store your documents.  You could 
create
> subfolders like /Documents/2003 or /Documents/2003/January.
> 
> Using a system like that should make the limits easy to work with.
> 
> In the root file system, I believe the limit is 32,767 subfolders, and
> 32,767 documents in a folder.  I am basing this on what running the
> "statfs" command says.
> 
> Mark


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