{"id":1356,"date":"2012-09-06T11:13:58","date_gmt":"2012-09-06T03:13:58","guid":{"rendered":"http:\/\/rmohan.com\/?p=1356"},"modified":"2012-09-06T11:24:13","modified_gmt":"2012-09-06T03:24:13","slug":"extended-file-system-by-adding-a-new-disk","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=1356","title":{"rendered":"Extended File System by adding a New Disk."},"content":{"rendered":"
[root@myhost01 ~]# df -h
Filesystem\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Size\u00a0 Used Avail Use% Mounted on
\/dev\/mapper\/VolGroup00-LogVol00
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 17G\u00a0\u00a0 13G\u00a0 3.4G\u00a0 79% \/
\/dev\/sda1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 99M\u00a0\u00a0 43M\u00a0\u00a0 52M\u00a0 45% \/boot
tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 943M\u00a0\u00a0\u00a0\u00a0 0\u00a0 943M\u00a0\u00a0 0% \/dev\/shm<\/div>\n
\u00a0<\/div>\n
[root@myhost01 ~]#
[root@myhost01 ~]#
[root@myhost01 ~]# fdisk \/dev\/sdd
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel. Changes will remain in memory only,
until you decide to write them. After that, of course, the previous
content won’t be recoverable.<\/div>\n
The number of cylinders for this disk is set to 1305.
There is nothing wrong with that, but this is larger than 1024,
and could in certain setups cause problems with:
1) software that runs at boot time (e.g., old versions of LILO)
2) booting and partitioning software from other OSs
\u00a0\u00a0 (e.g., DOS FDISK, OS\/2 FDISK)
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)<\/p>\n

Command (m for help): p<\/p>\n

Disk \/dev\/sdd: 10.7 GB, 10737418240 bytes
255 heads, 63 sectors\/track, 1305 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes<\/p>\n<\/div>\n

\u00a0\u00a0 Device Boot\u00a0\u00a0\u00a0\u00a0\u00a0 Start\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 End\u00a0\u00a0\u00a0\u00a0\u00a0 Blocks\u00a0\u00a0 Id\u00a0 System<\/p>\n

Command (m for help): n
Command action
\u00a0\u00a0 e\u00a0\u00a0 extended
\u00a0\u00a0 p\u00a0\u00a0 primary partition (1-4)
p
Partition number (1-4): 1<\/p>\n<\/div>\n

First cylinder (1-1305, default 1):
Using default value 1
Last cylinder or +size or +sizeM or +sizeK (1-1305, default 1305):
Using default value 1305<\/p>\n

Command (m for help): w
The partition table has been altered!<\/p>\n

Calling ioctl() to re-read partition table.
Syncing disks.
[root@myhost01 ~]# pvscan
\u00a0 PV \/dev\/sda2\u00a0\u00a0 VG VolGroup00\u00a0\u00a0 lvm2 [19.88 GB \/ 0\u00a0\u00a0\u00a0 free]
\u00a0 Total: 1 [19.88 GB] \/ in use: 1 [19.88 GB] \/ in no VG: 0 [0\u00a0\u00a0 ]<\/p>\n

[root@myhost01 ~]# pvcreate \/dev\/sdd1
\u00a0 Physical volume “\/dev\/sdd1” successfully created<\/p>\n

[root@myhost01 ~]# pvscan
\u00a0 PV \/dev\/sda2\u00a0\u00a0 VG VolGroup00\u00a0\u00a0\u00a0\u00a0\u00a0 lvm2 [19.88 GB \/ 0\u00a0\u00a0\u00a0 free]
\u00a0 PV \/dev\/sdd1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 lvm2 [10.00 GB]
\u00a0 Total: 2 [29.87 GB] \/ in use: 1 [19.88 GB] \/ in no VG: 1 [10.00 GB]<\/p>\n

[root@myhost01 ~]# vgextend VolGroup00 \/dev\/sdd1
\u00a0 Volume group “VolGroup00” successfully extended<\/p>\n

[root@myhost01 ~]# lvresize -L 25G \/dev\/VolGroup00\/LogVol00
\u00a0 Extending logical volume LogVol00 to 25.00 GB
\u00a0 Logical volume LogVol00 successfully resized<\/p>\n

[root@myhost01 ~]# pvscan
\u00a0 PV \/dev\/sda2\u00a0\u00a0 VG VolGroup00\u00a0\u00a0 lvm2 [19.88 GB \/ 0\u00a0\u00a0\u00a0 free]
\u00a0 PV \/dev\/sdd1\u00a0\u00a0 VG VolGroup00\u00a0\u00a0 lvm2 [9.97 GB \/ 1.94 GB free]
\u00a0 Total: 2 [29.84 GB] \/ in use: 2 [29.84 GB] \/ in no VG: 0 [0\u00a0\u00a0 ]<\/p>\n<\/div>\n

\u00a0<\/div>\n
[root@myhost01 ~]# resize2fs -p\u00a0 \/dev\/VolGroup00\/LogVol00 25G
resize2fs 1.39 (29-May-2006)
Filesystem at \/dev\/VolGroup00\/LogVol00 is mounted on \/; on-line resizing required
Performing an on-line resize of \/dev\/VolGroup00\/LogVol00 to 6553600 (4k) blocks.
The filesystem on \/dev\/VolGroup00\/LogVol00 is now 6553600 blocks long.<\/div>\n
\u00a0<\/div>\n
[root@myhost01 ~]# df -h
Filesystem\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Size\u00a0 Used Avail Use% Mounted on
\/dev\/mapper\/VolGroup00-LogVol00
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 25G\u00a0\u00a0 13G\u00a0\u00a0 11G\u00a0 54% \/
\/dev\/sda1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 99M\u00a0\u00a0 43M\u00a0\u00a0 52M\u00a0 45% \/boot
tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 943M\u00a0\u00a0\u00a0\u00a0 0\u00a0 943M\u00a0\u00a0 0% \/dev\/shm<\/div>\n
\u00a0<\/div>\n","protected":false},"excerpt":{"rendered":"

[root@myhost01 ~]# df -h Filesystem Size Used Avail Use% Mounted on \/dev\/mapper\/VolGroup00-LogVol00 17G 13G 3.4G 79% \/ \/dev\/sda1 99M 43M 52M 45% \/boot tmpfs 943M 0 943M 0% \/dev\/shm [root@myhost01 ~]# [root@myhost01 ~]# [root@myhost01 ~]# fdisk \/dev\/sdd Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel Building a new DOS […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/1356"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1356"}],"version-history":[{"count":3,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/1356\/revisions"}],"predecessor-version":[{"id":1358,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/1356\/revisions\/1358"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}