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±Û¾´ÀÌ: hp-ux [HP-UX]µð½ºÅ©±¸¼º Á¶È¸¼ö: 9254


Disk ±¸¼º
Disk partitioning


n Disk partition À̶õ?

»ç¿ëÀÚÀÇ ¸ñÀû¿¡ ¸Â°Ô size, ¼º´É, ¾ÈÁ¤È­ ¹æ¾È µîÀ» °í·ÁÇÏ¿© ¸¸µç

physical diskÀÇ ÀϺκÐ

n Disk partitioning ¹æ¹ý

a. Whole disk partitioning : ±¸¼ºÀÌ °£Æí

b. LVM : ¸¹Àº °ü¸®»óÀÇ À¯¿¬¼º ¹× À¶Å뼺(flexibility) Á¦°ø

5.2 LVM °³¿ä

- Logical Volume Manager

- OSF Product – HP-UX 9.x ºÎÅÍ O/S ¿¡ bundle µÇ¾î ÀÖ´Ù.

- Disk °ü¸®¸¦ À§ÇÑ kernel¿¡ ±âº» ³»ÀåµÈ sub-systemÀÌ´Ù.

- LVMÀº volume groupÀ̶ó´Â diskÀÇ ÁýÇÕÀ» ¸¸µé°í volume group ³»¿¡

°ø°£À» ³í¸®Àû volume(lvol)À¸·Î ºÐÇÒÇÏ¿© °¢°¢ÀÇ partitionÀ» ±¸¼ºÇÒ ¼ö

ÀÖ´Ù.

5.3 LVM ±¸¼º ¿ä¼Ò
n Physical Volume

- ÀÇ¹Ì : LVM¿¡ ÀÇÇؼ­ °ü¸®µÇ´Â ¹°¸®ÀûÀÎ µð½ºÅ©. Áï ÀÏ¹Ý ¹°¸®ÀûÀÎ

µð½ºÅ©¿¡LVM µ¥ÀÌÅÍ ±¸Á¶°¡ »ý¼ºµÈ µð½ºÅ©.

- Device file

(¿¹) /dev/rdsk/c0t6d0 character device file

/dev/dsk/c0t6d0 block device file

- »ý¼º ¹æ¹ý

# pvcreate –f /dev/rdsk/c0t6d0

n Volume Group

- ÀÇ¹Ì : ÇÑ °³ ÀÌ»óÀÇ physical volumeÀ¸·Î ±¸¼ºµÈ disk pool

- Device file

(¿¹) /dev/vg01 vg01°ú °ü·ÃµÈdevice fileÀ» °¡Áö°í ÀÖ´Â directory

/dev/vg01/group ¡°vg01¡± volume group device file

- »ý¼º ¹æ¹ý

# mkdir /dev/vg01

# mknod /dev/vg01/group c 64 0x010000[CODE][/CODE]

# vgcreate /dev/vg01 /dev/dsk/c0t6d0

n Logical Volume

- ÀÇ¹Ì : °¢°¢ÀÇ filesystemÀ» ±¸¼ºÇÏ´Â ´ÜÀ§·Î¼­ partition °ú °°´Ù.

ƯÁ¤ÇÑ volume group ¾È¿¡¼­ »ý¼º°¡´É ÇÏ´Ù.

volume groupÀÌ ´Ù¼öÀÇ disk·Î ±¸¼ºµÈ´Ù¸é, lvolÀº ÇÑ °³ÀÇ disk

¹üÀ§¸¦ ³Ñ¾î ¼³Á¤µÉ ¼ö ÀÖ´Ù.

- Device file

(¿¹) /dev/vg01/lvol1 block device file

/dev/vg01/rlvol1 character device file

- »ý¼º ¹æ¹ý

# lvcreate –L 1024 /dev/vg01

©£ Å©±â°¡ 1024 MBÀÎ logical volumeÀ» »ý¼º

n LVM Table

- ÀÇ¹Ì : ¸ðµç LVM Á¤º¸¸¦ °¡Áö°í ÀÖ°í, LVM ±¸¼º ½Ã ÀÚµ¿À¸·Î »ý¼º ¹×

update µÈ´Ù. ½Ã½ºÅÛ ºÎÆà ½Ã ÂüÁ¶µÇ¾î ÇØ´ç volume groupÀ»

È°¼ºÈ­ ½ÃŲ´Ù.

- À§Ä¡ : /etc/lvmtab

# strings /etc/lvmtab

©£ ÇöÀç LVM Á¤º¸¸¦ display ÇÑ´Ù.

# mv /etc/lvmtab /etc/lvmtab.org

# vgscan –v

©£ ±âÁ¸ LVM Á¤º¸¸¦ ´Ù¸¥ À̸§À¸·Î ÀúÀå ÈÄ , ÇöÀç LVM Á¤º¸¸¦

Àоî /etc/lvmtab ÆÄÀÏÀ» »õ·Î »ý¼º

Volume group »ý¼º ¿¹Á¦




¨ç # ioscan –fnkC disk

©£ physical volume À¸·Î ±¸¼ºÇÒ diskÀÇ device fileÀ» È®ÀÎ

¨è # pvcreate /dev/rdsk/c2t2d0

©£ physical volumeÀ¸·Î ±¸¼º

¨é # mkdir /dev/vg01

©£ volume group ÀÇ device fileÀÌ ÀúÀå µÉ directory »ý¼º

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

©£ volume group device file »ý¼º

¨ë # vgcreate /dev/vg01 /dev/dsk/c2t2d0

©£ ÇϳªÀÇ disk¸¦ volume groupÀ¸·Î ±¸¼º

¨ì # lvcreate –L 500 /dev/vg01

©£ volume group vg01¿¡ Å©±â°¡ 500MBÀÎ logical volume ±¸¼º

©£ logical volume À̸§Àº ±âº»À¸·Î lvol1(¸¸µé¾îÁø ¼ø¼­¿¡ µû¶ó)À¸·Î »ý¼º

¨í # newfs –F vxfs /dev/vg01/rlvol1

©£ logical volume lvol1À» vxfs typeÀÎ File systemÀ¸·Î ¸¸µê

¨î # mount /dev/vg01/lvol1 /data1

©£ ƯÁ¤ directory¿¡ mount ½ÃŲ´Ù



°ü·Ã±Û : ¾øÀ½ ±Û¾´½Ã°£ : 2007/09/12 16:47 from 218.38.35.251

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