Formatting a File System

We are now ready to format the file system.  Linux offers many different file systems, some distributions of Linux/Unix will tend to recommend EXT3 while others might recommend XFS or ReiserFS.  There is really no wrong or right answer here, different file systems will have features and advantages/disadvantages.  The concept to understand here is that you must format the logical volume.

We are going to format our new LV's of type EXT3 with journaling enabled

1. Format LV TCPDumpLV
   
   

   [root@Linux01 ~]# mke2fs -j /dev/TCPDumpVolGRP/TCPDumpLV mke2fs 1.39 (29-May-2006) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) 409600 inodes, 819200 blocks 40960 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=838860800 25 block groups 32768 blocks per group, 32768 fragments per group 16384 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912 Writing inode tables: done                            Creating journal (16384 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 22 mounts or 180 days, whichever comes first.  Use tune2fs -c or -i to override. [root@Linux01 ~]#

   
   
2. Format LV 4GLV
   
   

   [root@Linux01 ~]# mke2fs -j /dev/TCPDumpVolGRP/4GLV mke2fs 1.39 (29-May-2006) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) 524288 inodes, 1048576 blocks 52428 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=1073741824 32 block groups 32768 blocks per group, 32768 fragments per group 16384 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736 Writing inode tables: done                            Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 20 mounts or 180 days, whichever comes first.  Use tune2fs -c or -i to override. [root@Linux01 ~]#

   
   

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Kartik Suryanarayanan  - Nice LVM artcile. |11/07/2009 04:56:00 HI, It was a nicely written LVM configuration article. For me it was the part , where it was show how to change the PE size used for a VG. Thanks a lot :-) --Kartik S Reply | Quote

thirt |15/07/2009 18:00:58 Hi Kartik, Thanks for the feedback! Keep it coming. If you have any requests, post them in the forums area and we’ll get to them when we get sometime. Regards, Tom Reply | Quote

Wojtek J |17/09/2009 08:08:30 Hello, Same remark as my predecessor. The helpful info was PE size switch "-s". However, the dark colour of the backgrouung is somehow painful ;-) Wojtek Reply | Quote

Anonymous |27/03/2011 23:20:58 plz give information about volume group and physical volumes Reply | Quote

Ajay Sharma  - LINUX tutorial |27/03/2011 23:23:37 plz revert me through my mail Reply | Quote

MD Shamim Akhtar  - Disk /dev/sdb doesn't contain a valid partition t |29/03/2011 01:39:35 Dear Sir, I want to know what does it mean by this line, please make me understand. "Disk /dev/sdb doesn't contain a valid partition table" Reply | Quote

SAS |15/09/2011 01:47:31 It simply means that devices /dev/sdb, /dev/sdc and /dev/sdd don't have any partitions on them _yet_. Partitions are added to the disks in steps 2 and forward. Reply | Quote

Anonymous |02/05/2011 10:48:33 hi Its good Reply | Quote

Anonymous |07/03/2012 01:02:11 nice but the main part is missing Reply | Quote

nelson |31/03/2012 03:18:43 hi, love it, it rally helped me well done well done and well done man. Reply | Quote

hi I'm chanthorn |17/05/2012 20:43:07 U can add more information in this configure . But this configure can accept ok. thanks, Reply | Quote

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