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Article #1671

Printer Problem And Minidisk Problem

#1671
From: /999999999
Date: Tue, 28 Mar 1989 04:25
213 lines
6208 bytes
 Recently had posted a request for feedback for a printer driver 
 (perceived) problem. My RT then proceeded  to die (inode count 
 on a minidisk, more later), I was down for a couple days and 
 lost about two days of news. Fearing I may of missed the 
 any posting concerning the printer problem.  I'm asking anyone
 who posted any comments to repost, I also lost mail. 

 On to a more serious issue, the one that caused my problems.
 I tried to create a filesystem on a 300 Meg minidisk for 
 news. Having run out Inodes on the previous filesystem I
 was determined to create a filesystem more apropos to News,
 that is, one with a excess of Inodes.  I tried a straight mkfs
 first:

 mkfs /dev/hd7 605469:96000

 This proceeded to create the filesystem with the default inode
 amount (5% of the number of blocks).

 To beat this I created a proto file of an empty directory and
 specified the block and Inode count in the proto file. Then 
 made the filesystem using this proto file. With the filesystem
 built I do a df, AIX tells me that I've already used 68% on my
 inodes on this empty filesystem. Thinking that df might be brain
 damage I proceeded to create 40,000 files with no problem.
 Presuming I was fine, that df was hosed, I ran uucico with this 
 filesystem as /usr/spool and am kindly informed I have no free
 Inodes!  I have tried reducing the number of total blocks from
 605469 all the way down to 520000 in an attempt to get this 
 working....no luck.

 Any Ideas?
 
 Here is a long transcript of the series of commands to just
 create the filesystem. This is on a 6150 model 135, running
 AIX 2.2.1 and the very latest updates. Comments have been added,
 enclosed in hard brackets ([]).

 --Begin Transcript--

[ First create the minidisk on the *Porta-file* ]

	MINIDISK CUSTOMIZING COMMANDS



Minidisks commands are:


Command	Description

add		Create a new minidisk
change	Change mount characteristics of an existing minidisk
delete	Delete an existing minidisk
show	Show minidisk information


To EXIT the minidisks command, press F3.

To USE a minidisks command, type the command and press Enter.

> add

Processing minidisk information...


Will there be an AIX file system on this minidisk ?
	yes
	no


Type yes or no and press Enter.


> no
The following block sizes are available for this minidisk:

512
1024
2048


To choose from the list, type the blocksize and press Enter.

To SHOW minidisk information in requested blocksize, press F2.


> 512

Type the number of 512 blocks for this minidisk and press Enter.



To SHOW minidisk information in requested blocksize, press F2.


> 605469

The following fixed disks are available:

hdisk0
hdisk1
hdisk2
hdisk5



Type the fixed disk on which to create this minidisk
and press Enter.

To SHOW minidisk information in requested blocksize, press F2.


> hdisk5

If you do not choose a location for this minidisk on the disk,
the minidisk will be placed in the first available free space on the disk.
Do you want to choose a location ?

	yes
	no


Type yes or no and press Enter.

To SHOW minidisk information in requested blocksize, press F2.


> n

Minidisk Name: hd7

The following information can be changed:
Name	Description		Current   	Possible Choice		Choices

bs	Block Size			512			512,1024,2048
nob	Number of Blocks	605469
fd	Fixed Disk			hdisk5   	hdisk0,hdisk1,...


To CHANGE a current choice, type the name followed by your new choice
(example: nob 1000), and press Enter.
To CANCEL creation of this minidisk, press F3.
To CREATE this minidisk with the current choices, press Enter.
To SHOW minidisk information, press F2.


>

Creating the minidisk...

The minidisk has been successfully created.  The minidisk name
is hd7


To CONTINUE, press Enter.

> 

End Minidisk Session.

[ Now the proto-file ]

# mkdir empty_directory
# proto empty_directory >proto_file
# vi proto_file				[ Add Filesystem Spec Lines ]
# cat proto_file
: Prototype file for empty_directory
/etc/boot 605469 96000    
: FS line:	 boot  num_blks  num_inodes
d--755  0 0   
  $
$
# mkfs /dev/hd7 proto_file
mkfs: destroy /dev/rhd7 (y)?y
Bootstrap Length 28148 (0x6e18), seglen 77824 (0x13000)
Device /dev/rhd7:
	From prototype: proto_file
	fs size: 605469		inodes:  96000   [ <- Note number of Inodes ]
	interleave: 508:4	cluster: 2048
	fsys id: NONAME		pack id: VOLXXX
	boot pgm: /etc/boot
# mount /dev/hd7 /usr/empty/directory
# df
Device             Mounted on            total     free  used     ifree  used
/dev/hd0           /                     38684     8700   77%      9395    6%
/dev/hd2           /usr                  96808    40652   58%     23506    6%
/dev/hd6           /vrm                   3992     1012   74%        32   75%
/dev/hd1           /u                     2772     2752    0%       732    0%
/dev/hd3           /tmp                   4776     4644    2%      1275    0%
/dev/hd11          /v                   137776   117212   14%     31279    2%
/dev/hd10          /w                   139556    82268   41%     14730   17%
/dev/hd7           /usr/empty_directory 593404   593400    0%     30462   68%
[ ** Note Inode Free (ifree) count and percentage! ** ]
# ls -a emp*
.
..
#

-- End Transcript --

Any input would be greatly appreciated, this is getting to be a bit 
too much.

The remaining question in my mind is if I drive my '88 Honda CRX 
(standard model) into an 6150 RT, model 135 running AIX 2.2.1, impacting
at 55 mph, will it damage my car at all?


--
Greg Noel [Gn] Delphi Information Systems, Westlake Vlg, Ca. 
The food is bad, and the portions are small.  -W Allen
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Message-ID: <106@yamnet.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!lll-winken!uunet!yamnet!rcsh

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!lll-winken!uunet!yamnet!rcsh
From: rcsh@yamnet.UUCP (/999999999)
Newsgroups: comp.sys.ibm.pc.rt
Subject: Printer Problem And Minidisk Problem
Keywords: Previous Posting and New Problem (more examples)
Message-ID: <106@yamnet.UUCP>
Date: 28 Mar 89 04:25:40 GMT
Organization: Delphi Information Systems, R & D Div., Westlake Vlg, Ca.
Lines: 213