원문 : http://www.ischo.net -- 조인상 //시스템 엔지니어

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디스크 및 device 인식

 

#ioscan -fnC disk

f: full

n : name

C : Class

 

#insf -e 

insf : install Special Files

-e : reinstall Existing devices

 

인식내용 확인

 #strings /etc/ioconfig

 

#ioscan -funC disk

#ioscan -fnkC disk

  u : Scan and list usable I/O system devices instead of the actual hardware.

  k : Scan kernel I/O system data structures instead of the actual hardware and list the results.

 

#diskinfo /dev/rdsk/c0t1d0

#lssf /dev/rdsk/c0t1d0

 

디스크 삭제

#rmsf -a /dev/rdsk/c0t1d0

디스크 initializing

#dd if=/dev/zero of=/dev/rdsk/c0t1d0 bs=1024 count=1024

#mediainit []

 

 

PV관련

 

PV생성

#pvcreate -f /dev/rdsk/c0t1d0

#pvcreate -B /dev/rdsk/c0t1d0

  -B : Boot record 생성

 

PV 확인

#pvdisplay -v /dev/dsk/c0t1d0 |pg

 

 

VG관련

 

VG 생성

#mkdir /dev/vg01

#mknod /dev/vg01/group c 64 0x010000

#vgcreate -s 8 vg01 /dev/dsk/c0t1d0

  -s : PE사이즈를 MB단위로 지정

 

VG확인

#vgdisplay -v vg01

#strings /etc/lvmtab

 

VG확장(PV추가)

#vgextend vg01 /dev/rdsk/c0t2d0

VG축소(PV제거)

#vgreduce /dev/rdsk/c0t2d0 /dev/vg01

 

VG 완전 제거

#cd /
#vgchange -a n vg01
#vgexport vg01

 

 

LV 관련

 

LV 구성

#lvcreate -L 1000 {-n lvname} vg01      (용량은 MB단위)

 

LV 점검

#lvdisplay -v /dev/vg01/lvol10 |pg

#vgdisplay -v vg01

 

LV확장

#lvextend -L 50 /dev/vg01/lvol10 /dev/dsk/c0t1d0 

 

 

파일시스템 관련

 

파일시스템 생성

#newfs -F vxfs -o largefiles /dev/vg01/rlvol1

 

 

파일시스템 확인

#fstyp -v /dev/vg01/lvol1

 

파일시스템 증분

#lvextend -L 50 /dev/vg01/lvol1  후

#fsadm -F vxfs -b 50M /export/home1

혹은 unmount 후

#lvextend -L 50 /dev/vg01/lvol1

#extendfs -F vxfs /dev/vg01/lvol1

# mount /export/home

 

Largefiles 옵션적용 여부 확인법

#fsadm -F vxfs /export/home

 

mount 확인

#bdf

#mount -p

#mount -v

 

 

Defragment

확인

#fsadm -F vxfs -DE /export/home10

실제 구동

#fsadm -F vxfs -de -t 600 /export/home10