Logical Volume Manager HOWTO
bert hubert <ahu@ds9a.nl>
Richard Allen <ra@ra.is>
Version 0.0.2 $Date: 2000/11/01 13:42:21 $
´ hisai@din.or.jp
22 Oct 2000
ÆÄàÀHIÈ Linux LVM HOWTO
______________________________________________________________________
Ú
1. ͶßÉ
1.1 ¨±ÆíèÆì
1.2 OñÆÈém¯
1.3 hL
gÌüùÉ¢Ä
1.4 CVS Abvf[gÍ CVS ÖANZX
1.5 ±ÌhL
gÌ\¬
2. LVM ÆÍH
3. î{IÈ´¥
3.1 Àáð©ÈªçÌðà
3.2 ANeBuÆCANeBu - J[lóÔÆ[UóÔ
4. KvÈð
4.1 J[l
4.1.1 Linux 2.4
4.1.2 Linux 2.3.99.*
4.1.3 Linux 2.2
4.1.4 Linux 2.3
4.2 [UóÔ
5. t@CVXeðg£·é
5.1 e2fsadm ðgÁÄ
5.2 _{
[ðg£·é
5.3 {
[EO[vðg£·é
5.4 t@CVXeðg£·é
5.4.1 ItCóÔÌ ext2 ð ext2resize ðgÁÄ
5.4.2 ICóÔÌ ext2
6. fBXNÌð·
6.1 èxêÉÈé
7. mÀÈobNAbvðs¤ÉÍAXibvVbgðæé
7.1 ÇÌæ¤ÉH
8. ç·«ÆptH[}X
8.1 ȺXgCv·éÌ©H
8.2 ȺXgCsOµÈ¢Ì©
8.3 LVM ÅÌXgCsO
8.3.1 ptH[}XãÌÓ_
8.4 n[hEFA RAID
8.5 Linux Ì\tgEFA RAID
9. Úµ¢ðà
9.1 Rs
[^ÔÅ LVM ÌfBXNðÚ®·é
9.2 /etc/lvmtab and /etc/lvmtab.d ÌÄ\¬
10. ³çÉÚµ
11. Ó«Æ´Ó
12. ú{êÅÓ«
______________________________________________________________________
1. ͶßÉ
e¤ÈéÇÒÌF³ñÖB
±ÌhL
gÅÍALVM ª½ÒÅAÇÌæ¤É«A±êðp·é±Æ
Å¢©ÉyªÅ«éÌ©É¢ÄAF³ñÌðÌêÉÈéæ¤É«Üµ
½B LVM FAQ âhCcêÅ©ê½ HOWTO à èÜ·ªA±ÌhL
g
ÆÍnªáÁĢܷB±ÌhL
gÍܳÉuHOWTOv»ÌàÌÅA
ÆÄàÀHIŠ龯ÅÈA LVM Ìððà[ßÜ·(¤Ü¢¯Î)B
ÍÁ«è³¹Ä¨«Ü·ªAÍ Linux Ì Logical Volume Manager ÌJ
ÒÅÍ èܹñBJÒÌûXÉÍhÓð\µÄ¢Ü·µA¦ÍµÁÄs
«½¢ÆvÁĢܷB
½¾¨©µÈbÈÌÅ·ªA¢Ü¾É LVM ÌJÒªÇȽÈÌ©ðmèÜ
¹ñB·®ÉÅàüß½¢ÆvÁĢܷBuÈñ¾vÆvíêéOÉ ç©
¶ß¨lѵĨ«Ü·B
1.1. ¨±ÆíèÆì
±êªðɧÂhL
gÉÈé±Æð]ñÅzzµÄ¢Ü·ªAuÛØÍ
êØ èܹñvµAu¤Æü¯vâuÁèÌÚIÖÌKpvÉηéÛØà
èܹñB
fBXNªZ¯ÄAïÐðNrÉÈÁÄà - »êÍ̹¢ÅÍ èܹ
ñB\µó èܹñªB¢ÂàobNAbvðæÁÄA~bVEN
eBJÈVXeÅͳȢž³¢B
ܵÄâ Richard Allen(Ò)ÍAÙpåðã\µÄ¢éí¯Åà èܹ
ñB
Linux Í Linus Torvalds Ìo^¤WÅ·B
1.2. OñÆÈém¯
½¢µ½±ÆÍ èܹñBLinux ðCXg[µÄAt@CVXe
(fdisk â mkfs ðgÁÄ)ð쬵½±Æª êÎA»êÅ\ªÅ·Bx
̱ÆÅ·ªA root ÅìÆ·éêÍӵľ³¢BfoCXEt@C
ÖÌÔáÁ½½ßâìÍAù¶Ìf[^ðó·°êª èÜ·B
HP/UX Ì LVM ÌÝèû@ðmÁÄ¢êÎA»êÅÙÆñÇ OK Å·BLinux
ÍAHP ÅÀ»Å«é±ÆÆAÙÆñǯ¶Éæ¤É®«Ü·B
1.3. hL
gÌüùÉ¢Ä
±ÌhL
gÉ͢©ӷ׫_ª èÜ·Bª±ÌhL
gÌå¼ð«Üµ½ªA»Ìæ¤Èâèûð±¯éÂàèÍѪ èܹ
ñBÍI[vE\[XðMòµÄ¢Ü·©çAtB[hobNâXVA
pb`»Ì¼ðF³ñɨ袵½¢ÆvÁĢܷBëAâ¾ç©ÉÃ
ÈÁ½Ôá¢ð¶ÈµÉñµÄ¾³¢B
ÇÌZNVÅàA²©ªÌûªüùÒƵÄDêÄ¢éÆ´¶çê½èA
ÒàµÍVKZNVÌüùÒÉÈêéƨv¢ÉÈÁ½çA»¤µÄ
¾³¢B½}µÜ·BHOWTO Ì SGML Í CVS Å¢¶é±ÆªÅ«Ü·B
ͱꪤ¯vWFNgÆÈé±Æð]ñŢܷB
诵Ģ½¾Æª©èÜ·ªA±ÌhL
gÌÉͽ³ñÌ
FIXME (C³µÄ)ª é±ÆÉCéêéÆv¢Ü·Bpb`Í¢ÂÅà½}
µÜ·I FIXME ÉDZÅöµ½ÆµÄàA»±Í¢mÌÌæÅ é±Æð
¹ðµÄ¾³¢BDZÉàÔᢪȢÆ;¢ØêܹñÌÅAê®ê
àӵľ³¢BàµmÀȱƪí©Á½ÈçA½Åà¨mç¹¾³
¢B FIXME ðíµ½¢Æv¢Ü·B
1.4. CVS Abvf[gÍ CVS ÖANZX
HOWTO ̳®ÈÝÍAºLÌƱëÅ·B
http://www.ds9a.nl/lvm-howto/ <http://www.ds9a.nl/lvm-howto/>
¢E©çANZXÂ\È anonymous CVS ðp èÜ·B±êÅÅV
ÅÌ HOWTO ðèyɾçêéãÉAF³ñªÏXâÇÁìÆðÈPÉs¦Ü
·B
CVS ðpµÄ HOWTO ÌRs[ðÁÄ«½¢ÈçÎAºLÌæ¤ÉµÄ
¾³¢B
$ export CVSROOT=:pserver:anon@outpost.ds9a.nl:/var/cvsroot
$ cvs login
CVS password: [enter 'cvs' (without 's)]
$ cvs co lvm-howto
cvs server: Updating lvm-howto
U lvm-howto/lvm-howto.sgml
Ôá¢ð©Â¯½èAÇÁµ½¢±Æª êÎAܸè³ÅC³µÄ©ç
ucvs diff -uvðÀsµÄA»ÌÊðÁľ³¢B
postscript â dviApdfAhtmlAeLXgðìéÌÉð§Â Makefile ªpÓ
µÄ èÜ·BFXÈtH[}bgðìé½ßÉAsgml-tools â
ghostscriptAtetex ðCXg[·éKvª é©àµêܹñB
1.5. ±ÌhL
gÌ\¬
ܸ LVM 𮩷ÌÉKvÈî{IÈvð¢Â©à¾µÜ·B½¾µá
ð °ÈªçAðÌÅ«éæ¤ÉwßÜ·B
2. LVM ÆÍH
¸ÁÆÈO©çAp[eBVÌ嫳Íêxß½ç»ÌÜÜÅ·BVX
eð±ü·éûÍu±Ìp[eBVÉÇÌç¢Ìf[^ðüê椩
ÈvÆl¦éÆ¢¤æèÍAuw»à»àx±Ìp[eBVÉÇÌç¢
Ìf[^ðüêéñ¾ë¤vƩ⩵ȯêÎÈèܹñB[Uªp[
eBVÌó«ðz¦Äg¨¤Æ·éÆAp[eBVðØè¼·©(V
XeÌÄCXg[à è¦Ü·)AV{bNENÈÇÌX}[
gÆ;¦È¢û@ÅC³µÈ¯êÎÈèܹñB
±êÜÅp[eBVÍA¨IÈfBXNãÌA±µ½ubNÅ éA
Æ¢¤l¦ûÉÈçÁīܵ½BÅßÌ UNIX CNÈVXeÌÙÆñÇ
ÍA¨IÉ¡ÌfBXNðªµÄA¢Â©ÌjbgƵĵ¤@\
ðõ¦Ä¢Ü·B¡ÌhCu©ç¬éL¯uÌjbgðÜÆßÄu_
{
[vƵAep[eBVÉèUêÜ·B³çɱÌjbg
ÍAó«Ì²®ªKvÆÈÁ½ÉAp[eBVÉεÄÇÁâíªs
¦Ü·B
±êª_{
[}l[W(LVM)Ìî{Å·B
½Æ¦Î 1 GB ÌfBXNðÁÄ¢ÄAu/homevp[eBVÉ 600 MB
èÄéƵܷB󫪳ÈÁÄAu/homevÉ 1 GB KvÉÈÁ½Æ
l¦ÄÝľ³¢B¡ÜÅÌp[eBVÌl¦û¾ÆAÈÆà 1
GB Ì嫳ð¼ÌhCuðpӷ鵩 èܹñŵ½B»µÄÅ
«é±ÆÍÆ¢¦ÎAfBXNðÇÁµAVµ¢u/homevð쬵Aù¶Ì
f[^ÌRs[ð·é±ÆÅ·B
Æ±ëª LVM ÅÌÝèÍA½¾ 400 MB(àµÍ»êÈãÌ)fBXNðÇÁ
·é¾¯Å·B»ÌL¯jbgðu/homevp[eBVÉÇÁ·éÌÅ
·BÊÌc[ðg¦ÎAù¶Ìt@CVXeÌ嫳ðÏXÅ«Ü·B
±¤µÄTCYðÏXµAå«ÈTCYÌp[eBVÌ èª½³ð´¶
ÂÂA{ÌdðÄJÅ«Ü·B
LVM ÍuXibvVbgvÆ¢¤ñíÉj[NÈ@\ðÁÄ¢ÄA é
ÜÁ½_ÅÌt@CVXeÌàeðobNAbv·é±ÆªÅ«Ü
·B±Ì»¡ð»»é@\ªAÀÛÉlXÈprÉpÅ«é±ÆÉ¢Ä
ÍAãöGê½¢Æv¢Ü·B
ÌZNVÅÍ LVM Ìî{ÆALVM ªÌpµÄ¢él¦ûÌ|CgÌ
XðྵܷB
3. î{IÈ´¥
ÅÍAº©µ¶åͱê®ç¢ÉµÄ¨«Üµå¤Bµ©µ LVM ÉÍðµ
Ĩ©È¯ê΢¯È¢êåpꪽ³ñ èÜ·BðµÄ¨©È¢ÆA
t@CVXeðë¯É³ç·ÍßÉÈÁĵܤ©àµêܹñB
ܸÍîbÌ ½è©çͶßÜ·B
¨}Ì
u¨vÆ¢¤¾tÌÓ¡ð¡GÉl¦È¢Å¾³¢BPÉn[h
fBXNàµÍp[eBVð¼èµÄ¢Ü·B½Æ¦
ÎA/dev/hdaA/dev/hda6A /dev/sda Ìæ¤ÈBubNEfoCX
É éA±µ½ubNð¢çÅà¨{
[ÉèÄçêÜ
·B»Ì¨{
[ÆÍc
¨{
[ (PV)
¨{
[ÆÍÇf[^ð¢Â©¨}ÌÉtÁµ½¨}Ì
»ÌàÌð\µÜ·B±êðtÁ·éÆALVM ©çͨGNXeg
ðüêéíÉ©¦Ü·B»Ì¨GNXegÆÍc
¨GNXeg(PE)
¨GNXegÍA¢©Éàå«¢ubNÌæ¤É©¦AÊíÍ
MB Ì嫳ÉÈèÜ·B¨GNXegÍ{
[EO[vÉ
zu³êÜ·B»Ì{
[EO[v ÆÍc
{
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{
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[ân[hEhCu©ç¬é)©ç\¬³êÜ·B{
[
EO[vð½Ìn[hEhCu(½Æ¦Î /dev/hda â
/dev/sda)©ç\¬³êÄ¢éàÌÆðµ½Èé©àµêܹñ
ªAæè³µÍA{
[EO[v̨͡GNXeg©
ç\¬³êA¨GNXegÌ@\Ín[hEhCuÉæÁÄñ
³êÄ¢éÆ¢¤±ÆÉÈèÜ·B
>±Ì{
[EO[vð³ÉµÄA¨GNXegÍ_{
[ÉèÄçêÜ·B»Ì_{
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_{
[ (LV)
»¤Å·AâÁƽÇè
«Üµ½BðàÌÅIÚWͱÌ_{
[ÈÌÅ·BîñðÛ¶·éÌÍAܳɱ±ÈÌÅ·B_{
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[ã
Åt@CVXeð\z·é̪ÊÅ·B»Ìt@CVXeÆ
Íc
t@CVXe
t@CVXeÍDÝÌàÌð½ÅàI×Ü·BWÌ ext2 â
ReiserFSANWFSA XFSAJFXANTFS ÇêÅàBLinux ÌJ[lÉ
ÆÁÄÍAÊÌp[eBVÆ_{
[Éͽàá¢Í è
ܹñB
óFeít@CVXeÉ¢ÄÍA Filesystems-HOWTO Ìú{
êó <http://www.linux.or.jp/docs/Filesystems-HOWTO>ð²¾³
¢B
ASCII ¶ñÉæénìðÝé±ÆÅA±ÌµÝð}ðµÄÝܵå¤B
¨{
[ÍA¨GNXegðÜÝÜ·B
+------[ ¨{
[ ]------+
| PE | PE | PE | PE | PE | PE |
+------------------------------+
{
[EO[vÍA2 Ą̂{
[(PV)ðÜÝA6 Ą̂GNX
eg©ç\¬³êÜ·B
+------[ {
[EO[v ]---------+
| +--[PV]--------+ +--[PV]---------+ |
| | PE | PE | PE | | PE | PE | PE | |
| +--------------+ +---------------+ |
+---------------------------------------+
àÁÆL°ÄÝéÆA±¤ÈèÜ·B
+------[ {
[EO[v ]---------+
| +--[PV]--------+ +--[PV]---------+ |
| | PE | PE | PE | | PE | PE | PE | |
| +--+---+---+---+ +-+----+----+---+ |
| | | | +-----/ | | |
| | | | | | | |
| +-+---+---+-+ +----+----+--+ |
| | _ | | _ | |
| | {
[| | {
[ | |
| | | | | |
| | /home | | /var | |
| +-----------+ +------------+ |
+---------------------------------------+
±Ì}ÅÍA2 ÂÌt@CVXeª èA2 ÂÌfBXNÉܽªÁÄ¢
Ü·B /home t@CVXeÍ 4 ÂA/var Í 2 Ą̂GNXeg©
ç\¬³êĢܷB
bert hubert Í LVM ðæèoIÉ\¦·éc[ <http://ds9a.nl/lvm-
viewer> ð쬵ĢܷBXN[Vbg <http://ds9a.nl/lvm-
howto/screenshot.gif> ª©çêÜ·BÌ ASCII ¶nìiæè©h¦ª
µÜ·B
3.1. Àáð©ÈªçÌðà
»¤ÈñÅ·BLVM ÍÆÄàªÌÅÁ»µÃç¢l¦ÈÌÅ(uäXÍ{[
OÌ LVMcv)A±±ÅÍ_{
[ð쬷éáðßð¯Ȫçi
ß½¢Æv¢Ü·B±ÌáðR\[É»ÌÜÜüÍuµÈ¢Åv¾³
¢Bf[^ðóµÄµÜ¤u°êvª èÜ·B½Æ¦è¿ÌRs
[^
ªA/dev/hda3 â /dev/hdb2 ðgpµÄ¢ÈÄàÅ·B
óF{[O(Borg)ÆÍAX^[gbN(lNXgEWFl[V) É
oê·éTC{[Oí°Ì±ÆÅA çäéàÌðñîÈèiÅ©ªBÌÉ
æèÞí°Ì±ÆÅ·BnbJ[½¿ÌÔÅÍA»ÌæÃ~ɽ¨ð੪É
æèÞp©çA Microsoft ɽƦéêª èÜ·B
[¾¢©È¯êÎAãLÌ ASCII¶Å©ê½}ð²¾³¢B
ܸ /dev/hda3 Æ /dev/hdb2 Ìp[eBVÌ^Cvð 0x8e ɵľ
³¢B±êªuLinux LVMvÆÈèÜ·B½¾µA¨è¿Ì fdisk Ìo[
WÉæÁÄÍA±Ì^CvðF¯Å«¸ÉuUnknownvÆ\¦³êé©à
µêܹñB
# fdisk /dev/hda
Command (m for help): p
Disk /dev/hda: 255 heads, 63 sectors, 623 cylinders
Units = cylinders of 16065 * 512 bytes
Device Boot Start End Blocks Id System
/dev/hda1 1 2 16033+ 83 Linux
/dev/hda2 3 600 4803435 83 Linux
/dev/hda3 601 607 56227+ 83 Linux
/dev/hda4 608 614 56227+ 83 Linux
Command (m for help): t
Partition number (1-4): 3
Hex code (type L to list codes): 8e
Command (m for help): p
Disk /dev/hda: 255 heads, 63 sectors, 623 cylinders
Units = cylinders of 16065 * 512 bytes
Device Boot Start End Blocks Id System
/dev/hda1 1 2 16033+ 83 Linux
/dev/hda2 3 600 4803435 83 Linux
/dev/hda3 601 607 56227+ 8e Unknown
/dev/hda4 608 614 56227+ 83 Linux
Command (m for help): w
/dev/hdb2 ÉεÄà¯lÈìðµÄÝÜ·ªA±±ÅÍ»ÌÊð\¦µ
ܹñB±ÌìÍA\¬ð¸Á½êÉ LVM ðÄ\z·éÌÉKvÅ·B
K¸µàSÄÌRs
[^ÅÍ èܹñªA±±Åu[gªKvÉÈé
êà èÜ·BÌ᪤ܢ©È¢æ¤ÈçAu[gµÄÝľ³
¢B
ºLÌæ¤É·êÎA¨{
[ªì¬Å«Ü·B
# pvcreate /dev/hda3
pvcreate -- physical volume "/dev/hda3" successfully created
# pvcreate /dev/hdb2
pvcreate -- physical volume "/dev/hdb2" successfully created
ÅÍA2 Ą̂{
[ðutestvÆ¢¤{
[EO[vÉÇÁµ
ÄÝÜ·B
# vgcreate test /dev/hdb2 /dev/hda3
vgcreate -- INFO: using default physical extent size 4 MB
vgcreate -- INFO: maximum logical volume size is 255.99 Gigabyte
vgcreate -- doing automatic backup of volume group "test"
vgcreate -- volume group "test" successfully created and activated
±êÅ¢gpÌ{
[EO[vª 1 ÂÅ« ªèܵ½B¿åÁƲ
×ÄÝܵå¤B
# vgdisplay -v test
--- Volume group ---
VG Name test
VG Access read/write
VG Status available/resizable
VG # 0
MAX LV 256
Cur LV 0
Open LV 0
MAX LV Size 255.99 GB
Max PV 256
Cur PV 2
Act PV 2
VG Size 184 MB
PE Size 4 MB
Total PE 46
Alloc PE / Size 0 / 0
Free PE / Size 46 / 184 MB
--- No logical volumes defined in test ---
--- Physical volumes ---
PV Name (#) /dev/hda3 (2)
PV Status available / allocatable
Total PE / Free PE 13 / 13
PV Name (#) /dev/hdb2 (1)
PV Status available / allocatable
Total PE / Free PE 33 / 33
îñª¸ç¸çÀñŢܷªA¡ÌƱëÍåªððūȢ͸Å
·Bܾ_{
[ðè`µÄ¢Ü¹ñ©çA±êðC³·éKvª è
Ü·B 50 MB ÌuHOWTOvÆ¢¤{
[ðutestv{
[EO[v
ÉìÁÄÝÜ·B
# lvcreate -L 50M -n HOWTO test
lvcreate -- rounding up size to physical extent boundary "52 MB"
lvcreate -- doing automatic backup of "test"
lvcreate -- logical volume "/dev/test/HOWTO" successfully created
±êÅA ƵƢ¤Æ±ëÜūܵ½ÌÅAÍt@CVXeðì
¬µÜµå¤B
# mke2fs /dev/test/HOWTO
mke2fs 1.18, 11-Nov-1999 for EXT2 FS 0.5b, 95/08/09
Filesystem label=
OS type: Linux
Block size=1024 (log=0)
Fragment size=1024 (log=0)
13328 inodes, 53248 blocks
2662 blocks (5.00%) reserved for the super user
First data block=1
7 block groups
8192 blocks per group, 8192 fragments per group
1904 inodes per group
Superblock backups stored on blocks:
8193, 24577, 40961
Writing inode tables: done
Writing superblocks and filesystem accounting information: done
# mount /dev/test/HOWTO /mnt
# ls /mnt
lost+found
±êÅ®¹Å·I 쬵½{
[EO[v𩼵ÄÝܵå¤Bà
¤±êÅ{
[EO[vðf[^Åß¹éæ¤ÉÈÁÄ¢é͸
Å·©çB
# vgdisplay test -v
--- Volume group ---
VG Name test
VG Access read/write
VG Status available/resizable
VG # 0
MAX LV 256
Cur LV 1
Open LV 1
MAX LV Size 255.99 GB
Max PV 256
Cur PV 2
Act PV 2
VG Size 184 MB
PE Size 4 MB
Total PE 46
Alloc PE / Size 13 / 52 MB
Free PE / Size 33 / 132 MB
--- Logical volume ---
LV Name /dev/test/HOWTO
VG Name test
LV Write Access read/write
LV Status available
LV # 1
# open 1
LV Size 52 MB
Current LE 13
Allocated LE 13
Allocation next free
Read ahead sectors 120
Block device 58:0
--- Physical volumes ---
PV Name (#) /dev/hda3 (2)
PV Status available / allocatable
Total PE / Free PE 13 / 13
PV Name (#) /dev/hdb2 (1)
PV Status available / allocatable
Total PE / Free PE 33 / 20
»¤A/dev/hda3 ÍÜÁ½gpµÄ¢Ü¹ñªA/dev/hdb2 Í 13 Ą̂
GNXegðgpµÄ¢Ü·B
3.2. ANeBuÆCANeBu - J[lóÔÆ[UóÔ
ÜÆàÈIy[eBOEVXeª»¤Å éæ¤ÉALinux Í VXe
\¬ª 2 ÂÉÊêĢܷB»êÍAJ[lóÔÆ[UóÔÅ·B
[UóÔÍA[UhÆÄÎêé±Æà èÜ·Bu[UhvÍA
lCÌ ée[}Ep[Nð\·Ó¡ÅàgíêĢܷB
_{
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¢ÄÌîñªJ[lÉnéÆAuANeBuvÆÄÎêéóÔÉÈèÜ
·BC³ìÆÌÉÍA évfªANeBuÈóÔÅ é±ÆªKv¾Á½
èACANeBuÈóÔªKvÈàÌà èÜ·B
4. KvÈð
LVM ÍL¢o[WÌJ[lÅpÅ«Ü·BLinux 2.4 ÅÍALVM ª
SÊIÉÌp³êĢܷBJ[l 2.3.47 È~Ìo[WÅÍALVM Í
Cu`ɳêérÌóÔÅ·B
4.1. J[l
4.1.1. Linux 2.4
Linux 2.4 ÅÍKvÈ@\·×ĪpÓ³êĢܷBåªÌfBXg
r
[VÅALVM ÍW
[ƵÄÜÜêÄ[X³êéÆvíêÜ
·BRpC·éKvª êÎAubNEfoCXIðÌƱëÅ LVM
ÌÚÉ`FbNðt¯Ä¾³¢B
4.1.2. Linux 2.3.99.*
Åæ[ÌJ[lJªÀèµÄµÜ¦ÎA±ÌZNVÍÈÈéŵå
¤B³µ ½èÍA®¿á®¿á·Á«èµÜ¹ñªB
±êð¢Ä¢é_ÅÍ Linux 2.3.99pre5 ªÅVÅÅALVM ð®ì³¹é
ÌÉÍAñíɬ³¢ÌÅ·ªAܾpb`ªKvÅ·B
Linux 2.3.99pre3 ÉεÄÍA2 ÂÌpb`ª[X³êĢܷB
»Ìpb`Í linux-kernel Ée³êA±±
<http://ds9a.nl/lvm-howto/2.3.99pre3>©çæÁıçêÜ·B
Andrea Arcangeli ͱÌpb`ðüǵķªpb`
<http://ds9a.nl/lvm-howto/andrea.patch>ƵÄãLÌ 2.3.99pre3 pÌ
LVM pb`ÉÄçêéæ¤ÉµÄ¢Ü·B
Linux 2.3.99pre5 ÉεÄÍAbert hubert ªãL 2 ÂÌpb`ð 1 Â
ÉÜÆßÄA2.3.99pre5 ÉÚAµÜµ½B»êª±Ìpb`
<http://ds9a.nl/lvm-howto/2.3.99-pre5.lvm.patch>Å·Bgp·éɽÁ
ÄͲÓðB
2.3.99pre6-1 Ípb`ðµ½v[XÅÅ·BͶßÄ LVM Ì@\
ð®SÉT|[gµÜµ½I ܾ Andreas Ìpb`ÍæèÜêĢܹ
ñªA·®ÉÅà[X·é\èÉÈÁÄ¢é͸ŷB
2.3.99pre4-ac1 ÍftHgŬ³Èpb`ªæèÜêÄ¢ÄA®ìµÜ
·Bܾ Andreas Ìpb`ÍæèÜêĢܹñB
4.1.3. Linux 2.2
FIXME: ±±É¢Ä¾³¢B
4.1.4. Linux 2.3
FIXME: ±±É¢Ä¾³¢B
4.2. [UóÔ
c[ÞªKvÈçALVM TCg <http://lvm.msede.com/lvm> ©çæÁı
çêÜ·Bglibc2.1 ÅRpC·éÈçA¬³Èpb`ªKvÅ·BȨ
Debian 2.2 ÅÍ»Ìpb`ðÄÄàG[ªÅÜ·B
5. t@CVXeðg£·é
FXÈÝèªÅ«éXNvgª ÁÄA±ÌìÆÍ»êðgÁÄs¦Ü·B
KvÅ êÎAXNvgðgí¸É 1  1 ÂÀsàÅ«Ü·B
5.1. e2fsadm ðgÁÄ
{
[EO[vàÉó«ª èAext2 t@CVXeðgÁÄ¢é
Èç (êÊIÉgp³êĢܷ)Ag¢èÌÇ¢±Ìc[ªg¦Ü·B
e2fsadm R}hÍA¤pÌ resize2fs c[ðpµÄ¢Ü·BÇ¢\t
gEFAÆ¢¤]»Å·ªALgíêÄ¢éí¯ÅÍ èܹñB
FSF Ì ext2resize ðg¤ÈçA e2fsadm ÉîñðºLÌæ¤ÉµÄn·K
vª èÜ·B
# export E2FSADM_RESIZE_CMD=ext2resize
# export E2FSADM_RESIZE_OPTS=""
ãÍÈPÅ·Be2fsadm Í¼Ì LVM ÌR}hÆñíÉæĢܷÌ
ÅB
# e2fsadm /dev/test/HOWTO -L+50M
e2fsadm -- correcting size 102 MB to physical extent boundary 104 MB
e2fsck 1.18, 11-Nov-1999 for EXT2 FS 0.5b, 95/08/09
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
/dev/test/HOWTO: 11/25688 files (0.0% non-contiguous), 3263/102400 blocks
lvextend -- extending logical volume "/dev/test/howto" to 104 MB
lvextend -- doing automatic backup of volume group "test"
lvextend -- logical volume "/dev/test/HOWTO" successfully extended
ext2_resize_fs
ext2_grow_fs
ext2_block_relocate
ext2_block_relocate_grow
ext2_grow_group
ext2_add_group
ext2_add_group
ext2_add_group
ext2_add_group
ext2_add_group
ext2_add_group
direct hits 4096 indirect hits 0 misses 1
e2fsadm -- ext2fs in logical volume "/dev/test/HOWTO" successfully extended to 104 MB
5.2. _{
[ðg£·é
e2fsadm űÌìÆÍs¦Ü·ªAe2fsadm ðgíÈ¢û@ððµÄ¨¢Ä
à¹ÍÈ¢Æv¢Ü·B
# lvextend -L+12M /dev/test/HOWTO
lvextend -- rounding size to physical extent boundary
lvextend -- extending logical volume "/dev/test/HOWTO" to 116 MB
lvextend -- doing automatic backup of volume group "test"
lvextend -- logical volume "/dev/test/HOWTO" successfully extended
5.3. {
[EO[vðg£·é
±êÍ vgextend [eBeBðg¢Ü·ªAÆÄàÈPÅ·BܸÅÉ
¨{
[ðìèÜ·B±êÍ pvcreate [eBeBðg¢Ü·B±
Ìc[ðgÁÄubNEfoCXð¨{
[Éu«·¦Ü·B
»êªIÁ½ãÉAvgextend ðÀsµÜ·B
# pvcreate /dev/sda1
pvcreate -- physical volume "/dev/sda1" successfully created
# vgextend webgroup /dev/sda1
vgextend -- INFO: maximum logical volume size is 255.99 Gigabyte
vgextend -- doing automatic backup of volume group "webgroup"
vgextend -- volume group "webgroup" successfully extended
¨Ú¦Ä¨¢Ä~µ¢±ÆÍA±êðÀs·éÉÍA{
[EO[vª
ANeBuÅ éKvª éÆ¢¤±ÆÅ·Buvgchange -a y webgroupvð
Às·êÎANeBuÉÅ«Ü·B
5.4. t@CVXeðg£·é
c[ðgí¸ÉÀ»µ½¢ÈçA¢Â©Ìû@ª èÜ·B
5.4.1. ItCóÔÌ ext2 ð ext2resize ðgÁÄ
ItCÆÍAt@CVXeÌ}EgðOµÄA±ê©çs¤ÏXì
ƪūéóÔ̱ÆðwµÜ·Bt@CVXeâ»ÌÌf[^ÍA±
ÌóÔÅÍp·é±ÆªÅ«Ü¹ñBÂÜèAroot â¼ÌdvÈp[eB
VÌ嫳ðÏX·éêÍA¼Éu[gÅ«é}̪KvÆÈé±Æð
YêȢž³¢B
ext2resize c[ÍAGNU Ì ftp TCg©çæÁıçêÜ·ªAåïÌ
fBXgr
[VÍApbP[WÌ 1 ÂƵÄp èÜ·Bg
¢ûÍÆÄàÈPÅ·B
# ext2resize /dev/HOWTO/small 40000
40000 Æ¢¤ÍAg£àµÍk¬³ê½ãÌt@CVXeÌub
NÅ·B
5.4.2. ICóÔÌ ext2
FIXME: ±±É¢Ä¾³¢B
6. fBXNÌð·
LVM Ì·Ì 1 Âɱêªã°çêÜ·B éfBXNÅG[ªoͶß
½çAf[^ðÚ¿Ú¿Ú®µÈ¯ê΢¯Ü¹ñBLVM ðp·éÆAÆÄ
àÈPÉÀsÅ«Ü·BܸͶßÉT^IÈð·ìÆÌáð °Ü·BÈ
ÆàAð·µ½¢¾¯ÌeÊðÂfBXNðVXeÉÇÁµÄÝÜ·B
f[^ðÚ®·éÉÍA{
[EO[v̨GNXegð¼ÌfB
XNAæè³mÉͨ{
[ÉÚ®·é±ÆÉÈèÜ·B±êðs¤É
Í LVM Ås¤ÉÍ pvmove [eBeBðgpµÜ·B
¨©µÈfBXNð /dev/hda1 ƵÄA±êð /dev/sdb3 Éu«·¦é±Æ
ɵܵå¤Bܸ /dev/sdb3 ð /dev/hda1 ª®µÄ¢é{
[EO
[vðÇÁµÜ·B
±ÌìÆðs¤OÉA±Ì{
[EO[vÉ®·ét@CVXeÌ
}EgðOµÄ¾³¢BtEobNAbvðÆêÎȨÀSÅ·B
FIXME: ±êÍKv©H
ÅÍ pvmove ðÀsµÄÝܵå¤BÆÄàÈPÉÀsÅ«éÌÅAO»¤Æ
µÄ¢éfBXNÉÓðWµÄ¾³¢BÀsͺLÌæ¤ÉÈèÜ·B
# pvmove /dev/hda1
pvmove -- moving physical extents in active volume group "test1"
pvmove -- WARNING: moving of active logical volumes may cause data loss!
pvmove -- do you want to continue? [y/n] y
pvmove -- doing automatic backup of volume group "test1"
pvmove -- 12 extents of physical volume "/dev/hda1" successfully moved
±ÌxÉӵľ³¢BÆ¢¤ÌàAJ[lÆ LVM »ê¼ê¢Â
©Ìo[WÅÍA±ÌR}hÅâ誶¶Ü·B2.3.99pre6-2 ÅeX
gµÄA¤Ü®«Üµ½ªAxªoܵ½B
±êŨGNXegÍ /dev/hda1 ÌDZÉà¶ÝµÈÈÁ½½ÌÅA
{
[EO[v©çO·±ÆªÅ«Ü·B
# vgreduce test1 /dev/hda1
vgreduce -- doing automatic backup of volume group "test1"
vgreduce -- volume group "test1" successfully reduced by physical volume:
vgreduce -- /dev/hda1
FIXME:¢Â©ÍÁ«è³¹éKvª éB{
[EO[vÍANeB
uɵĨ׫©H f[^ª¸íêéÌÍÇñÈê©H
6.1. èxêÉÈé
fBXN©½ÌxàȵÉóêÄA»ÌfBXN̨GNXegð¼Ì
¨{
[ÉÚsÅ«È©Á½êÉÍAóêĵÜÁ½¨{
[
Ì_{
[ð~[µÄ¢È¯êÎAf[^ªóêĵܤŵå¤B
KØÈÎû@ÍAó꽨{
[ÆÜÁ½¯¶àÌÆð··é©A
ÅáÅ௶嫳Ìp[eBVÉð··é©ÌÇ¿ç©Å·B
/etc/lvmconf fBNgÉÍ LVM ÉÖ·éf[^Æ\¬ªobNAbv³
êĢܷB\¬ÆÍAfBXN̨{
[ÖÌèÄƨ{
[ª®µÄ¢é{
[EO[vAÇÌ_{
[ª»Ì{
[
EO[vÉüÁÄ¢é©Ìê©ç¬èÜ·B
óê½fBXNðð·µ½ãAvgcfgrestore R}hðgÁÄ LVM Ìf[^
ðVµ¢¨{
[ɳ¹Ü·B±ÌìÆÅ{
[EO[vð
ͶßA·×ÄÌîñðÅ«Ü·ªA_{
[Ìf[^͵Ü
¹ñB»ÌRÍALVM ÌR}hÌ媪AÏXªÁíÁ½_Å©®I
É LVM ÖAÌf[^ðobNAbvµÄ¢é©çÅ·B
7. mÀÈobNAbvðs¤ÉÍAXibvVbgðæé
±±É °éÌÍA{ÉN±é©Ç¤©à^íµ¢áÌ 1 ÂÅ·B½Æ¦
ÎlXÈðX±ÈµÄ¢éT[oð^pµÄ¢éƵܷBLøÈob
NAbvÆ¢¤_©ç·éÆAÒÌ çäévOðÆ·Kvª
èÜ·B»¤µÈ¢ÆAVXeªs®ÈóÔÉ×Áĵܤ©çÅ·B
T^IÈáƵÄA ét@Cð /tmp ©ç /root ÉÚ·êð©ÄÝÜ
·B /root ªÜ¸obNAbv³êĢܵ½B/root ð©½Aܾ»Ì
t@CÍ èܹñŵ½B»ÌÜÅÉ /tmp ªobNAbvª®¹µÜ
µ½ªAt@CÍÚ®µ½ãŵ½B
f[^x[XâfBNgÌÛ¶ÅÍóµªÏíèÜ·BAvP[V
ð«¿ñÆÆ·@ïªÈ¢ÆAt@CªobNAbvÂ\ÈóÔÉÈé
«Á©¯ª¾çêܹñB
ÊÌâèàoÄ«Ü·BÊÍAvP[VðµAobNAbvðÆÁ
Ä©çAÄN®ð©¯Ü·B±êÍobNAbvªªÅæèI¦êÎÜÁ½
âèÉÈèܹñªAÔ©©Á½èA¢ÂIéÆàí©çÈ¢ÈçA_
[Wð±¤Þé±ÆÉÈèÜ·B
LVM űÌóµð~¢Üµå¤B
LVM ðg¦ÎA»ÌXÌ_{
[ÌóµðXibvVbgÉÆé±
ƪūA»êð}Egµ½èAobNAbvðÆé±ÆàÅ«Ü·B
µÄÝܵå¤B
# mount /dev/test/HOWTO /mnt
# echo > /mnt/a.test.file
# ls /mnt/
a.test.file lost+found
# ls -l /mnt/
total 13
-rw-r--r-- 1 root root 1 Apr 2 00:28 a.test.file
drwxr-xr-x 2 root root 12288 Apr 2 00:28 lost+found
±êÅAÎÛÆÈét@CªÅ«Üµ½BXibvVbgðìÁÄÝÜ
µå¤B
# lvcreate --size 16m --snapshot --name snap /dev/test/HOWTO
lvcreate -- WARNING: all snapshots will be disabled if more than 16 MB are changed
lvcreate -- INFO: using default snapshot chunk size of 64 KB
lvcreate -- doing automatic backup of "test"
lvcreate -- logical volume "/dev/test/HOWTO" successfully created
u--sizevp^É¢ÄÍãÅÚµGêÜ·BXibvVbgð}E
gµÄÝÜ·B
# mount /dev/test/snap /snap
# ls /snap
total 13
-rw-r--r-- 1 root root 1 Apr 2 00:28 a.test.file
drwxr-xr-x 2 root root 12288 Apr 2 00:28 lost+found
³ÌÊu©ç a.test.file ðíµÄAܾXibvVbgÌêɶÝ
·é©ð`FbNµÄÝľ³¢B
# rm /mnt/a.test.file
# ls /snap
total 13
-rw-r--r-- 1 root root 1 Apr 2 00:28 a.test.file
drwxr-xr-x 2 root root 12288 Apr 2 00:28 lost+found
±êÍ·²¢I
7.1. ÇÌæ¤ÉH
u--sizevp^ðÝèµÈ¯êÎÈçÈ©Á½±Æð¨Ú¦Ä¢Ü·©H
usnapv{
[ÍAubNàµÍu`NvÌ·×ÄÌRs[ð
LVM ªKvÆ·éAÂÜè³f[^ªÏX³êĵÜÁ½Éȯê΢¯
ܹñB
óF`N(chunk)ÆÍA éf[^\¢ð¢Â©ÉÜÆß½PÊð\
µÜ·B±ÌêÍAfBXNãŨIÉA±µÄ¢é LVM ªpÂ\È
ŬPÊðÓ¡µÄ¢Ü·B
a.test.file ðíµ½A»Ì inode Íí³êÜ·B·éÆ 64 KB
ª(`NÌ嫳)ªu_[eB[(dirty)ÈvóÔƵÄ}[N³êA³
f[^ÌRs[ªusnapv{
[É©êÜ·B±ÌêÅ·ÆAXib
vVbgÆµÄ 16 MB mÛµÄ èÜ·©çA 16 MB ÈãÌu`Nv
ªÏX³êéÆAXibvVbgÍ@\µÈÈéŵå¤B
XibvVbgÌp[eBVÌ嫳ðÔá¢ÈßéÉÍA_{
[{Ìgíêûðl¶µÄAXibvVbgðANeBuÉ·é
Ôðª·éµ© èܹñB½Æ¦ÎA^éÉNàpµÄ¢È¢VXe
ðÔ©¯ÄobNAbv·éÈçA²í¸©È󫵩KvÈ¢Æv
¢Ü·B
ÓµÄ~µ¢ÌÍAXibvVbg͸ÁƶݷéàÌÅÍÈ¢AÆ¢
¤±ÆÅ·BLVM ðµ½èAu[gµ½è·êÎAXibvVbgÍÁ
¦ÄµÜ¢AÄ쬷é±ÆÉÈèÜ·B
8. ç·«ÆptH[}X
ptH[}Xðã°é_©ç©½êAf[^ð¡ÌfBXNÉuXg
CvvµÄªUÅ«Ü·BÂÜèubN 1 ͨ{
[ A ÉAub
N 2 ͨ{
[ B ÉAubN 3 ÍÄѨ{
[ A ÉAÆ¢
¤æ¤ÉÅ·B2 ÂÈãÌfBXNÉàXgCvÅ«Ü·B
±ÌuðÆé±ÆÅAfBXNÌohªLªéÆÆàÉAuXsh
vªàÁÆKvÉÈé±ÆðÓ¡µÄ¢Ü·BXshÉ¢ÄÍãöÚ
µà¾µÜ·B
óFXsh(spindle)ÍAn[hfBXNð\¬·éiÌ 1 ÂÅAî
ñðL^·éiÅ éuvb^[vÆ¢¤¥C}Ìðñ]³¹Ä¢é²ð
wµÜ·BÂÜèuXshvª½¯êν¢ÙÇA»ê¾¯½sµÄfB
XNÉÇÝ«ªÅ«ASÌÌptH[}Xªãé±ÆÉÈèÜ·B
ptH[}Xð °é¾¯ÅÈA éf[^ð¡fBXNãÉRs[µ
Ľ·±ÆàÅ«Ü·B±êð~[OÆÄÑÜ·B»óÌ LVM Í»
à»à±Ì@\ðT|[gµÄ¢Ü¹ñªAÊIÉÀ»·é±ÆªÂ\Å
·B
8.1. ȺXgCv·éÌ©H
fBXNÌptH[}XÉe¿ð^¦évöÍAÈÆà 3  èÜ
·BÅà°Ée¿ªÅéàÌÍAfBXNãÌf[^ðA±µÄÇÝ«·
é¬xÅ·B SCSI â IDE oX 1 {ãÉ 1 ¾¯fBXNª èA»±Å
å«Èt@CðÇÝ«·éÉÍA±êÍptH[}Xðẳ¹év
öÆÈèÜ·B
fBXNªpÅ«éÑæÍÀçêĢܷB1 {Ì SCSI oXÉ 7 ÂÌ
fBXNðq°êÎA°çfBXN©ÌÉ«Þ¬xªoX̬xðz¦
ĵܤŵå¤B¨à³¦ êÎA±Ì{glbNðª{IÉðÅ«Ü
·B
xª¶µÜ·Bæ¾íêÄ¢éæ¤ÉAxÍÈO©çïîÈâèÅ
·BȨ«¢±ÆÉA¨àð¬ñÅàxð¸ç·±ÆªÅ«Ü¹ñI
ß ÌfBXNͨ¨æ» 7 ms Ìxª¶¶Ü·BSCSI ÌxàA25 ms
öx¶µÄ¢Üµ½B
FIXME: ÅßÌlªKvI
±êͽðÓ¡·éÌŵ天H xðZ·éÆAWÅ 30 ms öxÌ
xª¶·é±ÆÉÈéŵå¤BÆ¢¤±ÆÍA1 b½èí¸© 33 ñ
¾¯µ©fBXNÉηéìªÅ«È¢Æ¢¤±ÆÉÈèÜ·Bb½èÉ
½ÊÌâ¢í¹µ½¢ÌÉALV
à\ªÅÈ¢ÆÈéÆA»êÍs^Æ
µ©¾¢æ¤ª èܹñB
ÀñÉ®¡ÌfBXN©uXshvª êÎA¯É¡Ì½ßðÀ
sÅ«Ü·B±êÍxÌâèðñð·éLøÈèiÅ·BåKÍÈ news T
[o[Ìæ¤ÈprÅÍAXgCsO©üoÍðX[YÉs¤ÊÌèi
ȵÉÍ®ì·çµÜ¹ñB
±êªXgCsOÌ®ìÅ·BoXðÅåÀÉg¦êÎAA±µ½ÇÝ
«ààÁƬÈé©àµêܹñB
8.2. ȺXgCsOµÈ¢Ì©
XgCsO¾¯ðs¤ÆAurbgPÊvÅjóªN±é믪oÄ«Ü
·BfBXNªÊÚÉÈéÆA_{
[Ìàeª¨µá©ÉÈÁĵÜ
¢Ü·Bf[^ðA±µÄu¢Ä êÎAt@CVXeÌ꾯ÅÏÜ
¹çêÜ·B
ÉÌèiÍA~[Oµ½ãÅÌXgCsOÅ·B
FIXME: LVM Æ md ðgÁÄA~[Oµ½ãÅXgCsOµÄÝé
óFmd ÍA\tgEGA RAID ÌfoCXÅ·B Multi-Disk-HOWTO Ìú
{êó
<http://www.linux.or.jp/docs/Multi-Disk-HOWTO/Multi-Disk-HOWTO.html>ð
Qlɵľ³¢B
8.3. LVM ÅÌXgCsO
XgCv\¬ÌÝèÍA_{
[Ìì¬É lvcreate ðgÁÄÏÜ
¹Ü·BÖA·ép^Í 2  èÜ·B-i Å¢Ą̂{
[É
ªU³¹éÌ©ðwèµÜ·BÀÍXgCsOÍrbgPÊÅÍÈAu
bNPÊÅsíêÜ·B-I ÅLoCgPÊŸÌPÊðwèðµÜ
·BÓ_ÍAwè·é̪ 2 ÌÝæPÊÅA Åå 128 KB Å é±ÆÅ
·B
áÅ·B
# lvcreate -n stripedlv -i 2 -I 64 mygroup -L 20M
lvcreate -- rounding 20480 KB to stripe boundary size 24576 KB / 6 PE
lvcreate -- doing automatic backup of "mygroup"
lvcreate -- logical volume "/dev/mygroup/stripedlv" successfully created
8.3.1. ptH[}XãÌÓ_
¯¶fBXNÌ 2 ÂÌp[eBVãÅXgCv·éÆAptH[}
XªãéDZ멨»çtøÊÉÈÁĵܤŵå¤B- ê®ê໤
µÈ¢æ¤ÉµÄ¾³¢B1 {Ì IDE oXÉ 2 ÂÌfBXNðÚ±µÄ
ÁÄàâÍ诶±Æª¾¦Ü·B- ªmÁÄ¢é IDE æèi»µÄ¢
ȯêÎB
FIXME: ±êÍ¡Åà³µ¢Ì©H
ÃßÌ}U[{[hÉÍA2 {Ì IDE oXª é©àµêܹñªA2 {Ú
Íg¢¨ÉÈçȢꪽAÀ¿Íá¬È CD-ROM hCu𮩷ÌÉ
gíêé±ÆÉÈÁĵܢܷBc[ðgÁÄx`}[Nðæé±Æª
Â\ÅAÅàCÉÈéc[ÍuBonnievÅ·BReiserFS ÌJÒ½¿ÍA
Bonnie++ <http://www.coker.com.au/bonnie++/> ð[XµÄ¢ÄA±ê
ÅptH[}XÌf[^ðvÁÄࢢ©àµêܹñB
8.4. n[hEFA RAID
nCGhÈCe x86 T[o[̽ÉÍAn[hEFA RAID Rg
[ªÂ¢Ä¢Ü·B»ÌàÌåªÉÍAÈÆà 2 ÂÌƧµ½
SCSI `lª èÜ·BK¢È±ÆÉ LVM Å»êöêJ¹¸ÉpÅ«Ü
·BÇÒÍ RAID Rg[©gÌ@\ðgÁÄ_hCuÌ\¬ð
ßÄ©çALinux Å RAID Rg[ðʵÄfBXNðF¯³¹È¯êÎ
¢¯Ü¹ñB½Æ¦Î SCSI `l A ãÌ 2 ÂÌfBXNÅXgCvð
s¢A»Ì~[ð SCSI `l B ãÌ 2 ÂÌfBXN ɵ½ÆµÜ
·B±êÍT^IÈ RAID 0/1 Ì\¬ÅAptH[}XÆf[^ÌÀS«ð
ÅåÀøoµÜ·B±Ì\¬Ì}VÅ Linux ðu[g·éÆARAID Rg
[ãÉ é 1 ÂÌfBXNãɾ¯Af[^Ìæª éæ¤Éu©¦Ü
·vB±ê±»ªA 4 ÂÌfBXNÅ\¬µ½ RAID 0/1 Ì_hCuÈ
ÌÅ·BÂÜè LVM ©ç©éÀèA}VÍ ½©àfBXNð 1 ¾¯õ
¦Ä¢ÄA1 ÂÌfBXNðµ¤æ¤ÉgpÅ«Ü·BfBXNÌ 1 ªó
êÄàALVM Í»êðméæµà èܹñBÇÒªfBXNðð·µÄ
à(zbgXbv@\ðgÁÄAÒÉ)ALVM Í»êðmµÈ¢¾¯Å
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åvÈ LVM ÖA\[XªpÅ«é
German LVM HOWTO <http://litefaden.com/lite00/lvm/>
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<ftp://linux.msede.com/lvm/howto/en/>
Peter.Wuestefeld@resnova.de ÍAhCcêÌ HOWTO ðpêÉ|ó
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HP/UX Managing Disks Guide <http://docs.hp.com/cgi-
bin/omcgi/omdoc?action=getcon&ID=7425>
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o Axel Boldt <axel@uni-paderborn.de>
o Sean Reifschneider <jafo@tummy.com>
o Alexander Talos <at@atat.at>
o Eric Maryniak <e.maryniak@pobox.com>
12. ú{êÅÓ«
±Ì|óðs¤É½ÁÄAJF vWFNgÌä³ñæèAhoCXð¢
½¾«Üµ½B±ÌêðØèĨç\µã°Ü·B
