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installredhat5

Notes, Tips & Tricks: Red Hat 5.5

This is a very basic description on installing Red hat 5.5 Enterprise Linux. There are a few notes that need to be shared:

Subscription / Installation Number

During the installation booting and starting the installation you are requested to fill in the installation number (subscription number). To find it do the following:

  • Login to your Customer Portal page at https://access.redhat.com
  • Choose the 'Manage your Subscriptions' tab.
  • You will see your installation number (subscription number) in the seventh column beside the corresponding subscription.

Make sure you list your subscription details in your password database.

Recreate LVM Volume

As a user you can issue the command “system-config-lvm” which will start a graphical overview of LVM with the option to delete and create a LVM volume. It's not possible to recreate a LVM volume.

Afterwards you can check the settings and configuration of the LVM volume with the “dumpe2fs” command (as root):

[root@redhat ~]# dumpe2fs -h /dev/mapper/ApplVG-DatabaseLV
dumpe2fs 1.39 (29-May-2006)
Filesystem volume name:   <none>
Last mounted on:          <not available>
Filesystem UUID:          68934ac2-44ba-462c-a8eb-51257690b100
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal resize_inode dir_index filetype needs_recovery sparse_super large_file
Default mount options:    (none)
Filesystem state:         clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              9830400
Block count:              19660800
Reserved block count:     983040
Free blocks:              19306267
Free inodes:              9830389
First block:              0
Block size:               4096
Fragment size:            4096
Reserved GDT blocks:      1019
Blocks per group:         32768
Fragments per group:      32768
Inodes per group:         16384
Inode blocks per group:   512
Filesystem created:       Wed May 23 13:34:12 2012
Last mount time:          Wed May 23 13:34:31 2012
Last write time:          Wed May 23 13:34:31 2012
Mount count:              1
Maximum mount count:      27
Last checked:             Wed May 23 13:34:12 2012
Check interval:           15552000 (6 months)
Next check after:         Mon Nov 19 12:34:12 2012
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:               128
Journal inode:            8
Default directory hash:   tea
Directory Hash Seed:      92608039-4432-4513-a349-31a818c134b9
Journal backup:           inode blocks
Journal size:             128M
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installredhat5.txt · Last modified: 2013/04/09 16:21 by sjoerd