08-11-2005
Can not extend a JFS file system
Hi,
I am getting an error message when i try to increase the size of a filesystems
under AIX 4.3.3:
chfs: 0506-932 Can not extend a JFS file system with nbpi = 4096
and frag = 4096 past 134217728 (512 byte blocks).
-> Characteristics Journaled File System
[Entry Fields]
File system name /u04/db/TRAINING
NEW mount point [/u04/db/TRAINING]
SIZE of file system (in 512-byte blocks) [163840000]
Mount GROUP []
Mount AUTOMATICALLY at system restart? yes +
PERMISSIONS read/write +
Mount OPTIONS [] +
Start Disk Accounting? no +
Fragment Size (bytes) 4096
Number of bytes per inode 4096
Compression algorithm no
Large File Enabled true
Allocation Group Size (MBytes) 64
-->
* Logical volume NAME nlv_training
Logical volume TYPE [jfs]
POSITION on physical volume middle +
RANGE of physical volumes minimum +
MAXIMUM NUMBER of PHYSICAL VOLUMES [32]
to use for allocation
Allocate each logical partition copy yes +
on a SEPARATE physical volume?
RELOCATE the logical volume during yes +
reorganization?
Logical volume LABEL [/u04/db/TRAINING]
MAXIMUM NUMBER of LOGICAL PARTITIONS [4096]
SCHEDULING POLICY for reading/writing parallel +
logical partition copies
PERMISSIONS read/write +
Enable BAD BLOCK relocation? yes +
Enable WRITE VERIFY? no +
Mirror Write Consistency? yes +
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LEARN ABOUT SUSE
jfs_mkfs
jfs_mkfs(8) JFS file system creation jfs_mkfs(8)
NAME
jfs_mkfs - create a JFS formatted partition
SYNOPSIS
jfs_mkfs [options] device [ blocks ]
DESCRIPTION
jfs_mkfs is used to create (format) a JFS partition. jfs_mkfs must be run as root.
device is the special file name corresponding to the actual device (e.g. /dev/hdb1) on which a JFS file system and/or JFS journal will be
created. blocks is the number of blocks to be used for the file system. If omitted, jfs_mkfs automatically figures the file system size.
The default block size is 4096.
WARNING
jfs_mkfs will destroy all data on the specified device!
OPTIONS
-c Check the device for bad blocks before building the file system.
-j journal_device
Create the external JFS journal on journal_device , create the JFS file system on device , and attach the external journal to the
file system.
-J journal-options
Create the JFS journal on its own device or attach an external JFS journal to the JFS file system using options specified on the
command-line. The following journal options are supported:
journal_dev
Create an external JFS journal on the given device.
device=external-journal
Attach an existing external JFS journal located on external-journal to the JFS file system that will be created on
device. The external journal must already have been created using the command
jfs_mkfs -J journal_dev external-journal
Attach the external journal to the file system being created by using the command
jfs_mkfs -J device=external-journal device
Instead of specifying a device name directly, external-journal can also be specified by either LABEL=label or UUID=UUID
to locate the external journal by either the volume label or UUID stored in the JFS external log superblock at the start
of the journal. Use jfs_tune(8) to display a journal device's volume label and UUID. (See the -l, -L, and -U options
of jfs_tune(8).)
Only one of the journal_dev or device= options can be given per jfs_mkfs issuance.
-L volume_label
Set the volume label for the newly formatted device.
If -L volume_label is used along with -J journal_device, the volume label of the specified external journal device will be set to
volume_label. Otherwise, the volume label of the JFS file system will be set to volume_label.
-O Provide case-insensitive support for compatibility with OS/2.
-q Quiet execution - do not ask for confirmation before creating the file system.
-s log_size
Set the log size (in megabytes) of the inline log. If the -s option is not used, the default log size is 0.4% of the aggregate
size.
-V Print version information and exit (regardless of any other chosen options).
EXAMPLES
Format 3rd partition on 2nd hard disk with the volume label "JFS_hdb3":
jfs_mkfs -L JFS_hdb3 /dev/hdb3
Format 5th partition on 1st hard disk, verifying each block created:
jfs_mkfs -c /dev/hda5
Format 3rd partition on 2nd hard disk as external journal, format 4th partition on 1st hard disk as JFS file system, and attach the exter-
nal journal to the file system:
jfs_mkfs -j /dev/hdb3 /dev/hda4
REPORTING BUGS
If you find a bug in JFS or jfs_mkfs, please report it via the bug tracking system ("Report Bugs" section) of the JFS project web site:
http://jfs.sourceforge.net/
Please send as much pertinent information as possible including any error messages resulting from running jfs_mkfs.
SEE ALSO
mkfs(8), jfs_fsck(8), jfs_fscklog(8), jfs_tune(8), jfs_logdump(8), jfs_debugfs(8)
AUTHORS
Barry Arndt (barndt@us.ibm.com)
William Braswell, Jr.
jfs_mkfs is maintained by IBM.
See the JFS project web site for more details:
http://jfs.sourceforge.net/
March 9, 2005 jfs_mkfs(8)