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[linux-lvm] Newbie to LVM



Hi,

LVM seems to be a good choice for split a linux box hdd. I would like to
use this for a database/file server (samba), running under SuSE Linux
8.0 PRO.
I have 2 disks of 73 Go, in RAID 1.

Here is the LVM partition I've created :

linux:/ # lvscan
lvscan -- ACTIVE            "/dev/vg/mysql" [10 GB]
lvscan -- ACTIVE            "/dev/vg/index" [4 GB]
lvscan -- ACTIVE            "/dev/vg/data" [15 GB]
lvscan -- ACTIVE            "/dev/vg/share" [29.35 GB]
lvscan -- 4 logical volumes with 58.35 GB total in 1 volume group
lvscan -- 4 active logical volumes

LV are mounted with ReiserFS :

/dev/vg/mysql --> /mysql
/dev/vg/index --> /index
/dev/vg/data --> /data
/dev/vg/share --> /share

All of the LV are shared with samba.


I have some questions :

1. I can write 4.3 GB of data for my XP station to the /index share. The
LV is 4 GB ?????

2. What is exactly the extent value ? (default 4MB).

3. What is the best value of this parameter for database ? and a file
server ?


Thanks in advance for your response.


--
Sincèrement,

Jean Marie Ariès





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