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I have inherited a system with a very strange drive. it has 2 software raid volums, three logical, and 1 ext3 root partition that is nearly full.
when the physical volume gets full does striping occur on its own? how does this work. How does lvm and interact? Thanks.
no critical data whatsoever I would just lke to learn how to make more space available for the physical volumes.
Should I use parted to move /root (for instance) to its own physical volume first. /home ? What is a working plan i could play with?
/dev/hda8 on / type ext3 (rw)
none on /proc type proc (rw)
usbdevfs on /proc/bus/usb type usbdevfs (rw)
/dev/hda1 on /boot type ext3 (rw)
none on /dev/pts type devpts (rw,gid=5,mode=620)
none on /dev/shm type tmpfs (rw)
/dev/hdb1 on /shared type ext3 (rw)
read_ahead not set
unused devices: <none>
vgscan -- reading all physical volumes (this may take a while...)
vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created
vgscan -- WARNING: This program does not do a VGDA backup of your volume group
here is my the current state of the drive. I would really appreciate some information pertaining to how you designated data for the raid and lvm partitions. Do you simply command x mb to a designated primary partition or mount point or do you configure it in such a way that WHEN a ext3 partition reaches a certain capacity data is then designated to the lvm or raid partitions. Also how is striping propogated? I am not interested in reduncies for backup purposes only HOW to use the very basic functions of striping and alloting more virtual memory for a swelling partition.