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- Linux ã€ã³ã¹ããŒã« ã€ã¡ãŒãžãªã©
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- ã€ã³ã¹ããŒã«ãããŠãã VM ã« SSH çµç±ã§æ¥ç¶ããŸã (ãªãã·ã§ã³)
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- RAID
- LVM
- Linux OS ã§ã®ãã£ã¹ã¯ã®åœå
- ã»ã¯ã·ã§ã³ãšã¯
- ããŒãã£ã·ã§ã³ããŒãã«ãšã¯äœã§ãã? ã©ãã«ä¿åãããŸãã?
- ã°ã©ããšã¯äœã§ãã
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1) ãã£ã¹ã¯æ å ±ã®è¡šç€º
- lsblk -o ååããµã€ãºãFSã¿ã€ããã¿ã€ããããŠã³ããã€ã³ã
- fdisk -l
2) æ å ±ã®è¡šç€ºãšLVMã®æäœ - pvs
- pvextend
- pväœæ
- ãã¬ãã¥ãŒãµã€ãº
- vgs
- vgreduce
- lvs
- æ¡åŒµãã
3) æ å ±ã®è¡šç€ºãš RAID ã®æäœ - ç«/proc/mdstat
- mdadm
4) ããŠã³ããã€ã³ã - mount
- umount
- ç«/etc/fstab
- ç«/etc/mtab
5) ãã£ã¹ã¯ã®åããŒãã£ã·ã§ã³å - fdisk /dev/XXX
6) ããŒãã£ã·ã§ã³ã®ã³ã㌠- dd if=/dev/xxx of=/dev/yyy
7) ããŒãã£ã·ã§ã³ããŒãã«ãæäœãã - ããŒã
- sfãã£ã¹ã¯
- mkfs.ext4
8) ããŒãããŒããŒãæäœãã - grub-install /dev/XXX
- æŽæ°ã°ã©ã
9) ãã®ä» - lsof
- apt
- rsync
å®éšå®€ã§ã®äœæ¥ã¯ 3 ã€ã®éšåã§æ§æãããŸãã
- LVMãRAID ã䜿çšããŠåäœããã·ã¹ãã ãã»ããã¢ãããã
- ããããã®ãã£ã¹ã¯ã®é害ã®ãšãã¥ã¬ãŒã·ã§ã³
- æ°ãããã£ã¹ã¯ã®è¿œå ãšããŒãã£ã·ã§ã³ã®è»¢éã䌎ãããã®å Žã§ã®ãã£ã¹ã¯ã®äº€æã
ã¿ã¹ã¯ 1 (OS ã®ã€ã³ã¹ããŒã«ãš LVMãRAID ã®æ§æ)
1) æ°ããä»®æ³ãã·ã³ãäœæãã次ã®ç¹æ§ãäžããŸãã
- 1 GB RAM
- 1 CPU
- 2 å°ã® HDD (ssd1ãssd2 ãšããååãä»ããåããµã€ãºãå²ãåœãŠãããã ã¹ã¯ãããš ssd ã確èªããŸã)
- 4 ã€ã®ããŒãã§æ§æããã SATA ã³ã³ãããŒã©ãŒ
2) Linux ã®ã€ã³ã¹ããŒã«ãéå§ããããŒã ãã©ã€ãã®éžæã«å°éãããã次ã®æé ãå®è¡ããŸãã
-
ããŒãã£ã·ã§ãã³ã°æ¹æ³: æåããã®åŸã次ã®å³ã衚瀺ãããŸãã
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/boot ã®äžã«å¥ã®ããŒãã£ã·ã§ã³ãèšå®ããŸããæåã®ãã£ã¹ã¯ãéžæãããã®äžã«æ°ããããŒãã£ã·ã§ã³ ããŒãã«ãäœæããŸãã
- ããŒãã£ã·ã§ã³ãµã€ãº: 512M
- ããŠã³ããã€ã³ã: /boot
- 2 çªç®ã®ãã£ã¹ã¯ã®ã»ããã¢ãããç¹°ãè¿ããŸããã/boot ãåæã« XNUMX åããŠã³ãããããšã¯ã§ããªããããããŠã³ã ãã€ã³ã: ãªããéžæããŸããçµæãšããŠã次ã®çµæãåŸãããŸã (åŽæ ã®ããå³ãããçŽãã®ãé¢åã§ã)ã
-
RAID ã»ããã¢ãã:
- æåã®ãã£ã¹ã¯ã®ç©ºãé åãéžæããããŒãã£ã·ã§ã³ ã¿ã€ãã RAID ã®ç©çããªã¥ãŒã ã«èšå®ããŸãã
- ãããŒãã£ã·ã§ã³ã®èšå®ãå®äºããŸããããéžæããŸã
- XNUMX çªç®ã®ãã£ã¹ã¯ã«å¯ŸããŠãŸã£ããåãã»ããã¢ãããç¹°ãè¿ããšã次ã®ããã«ãªããŸãã
- ããœãããŠã§ã¢RAIDã®æ§æããéžæããŸãã
- MDããã€ã¹ã®äœæ
- ãœãããŠã§ã¢ RAID ããã€ã¹ ã¿ã€ã: ãã©ãŒãªã³ã°ãããã¢ã¬ã€ãéžæããŸã
- RAID XXXX ã¢ã¬ã€ã®ã¢ã¯ãã£ããªããã€ã¹: äž¡æ¹ã®ãã©ã€ããéžæããŸã
- äºåããã€ã¹: ããã©ã«ããšã㊠0 ã®ãŸãŸã«ããŠãããŸãã
- RAID XX ã¢ã¬ã€ã®ã¢ã¯ãã£ããªããã€ã¹: RAID ã®äžã«äœæããããŒãã£ã·ã§ã³ãéžæããŸãã
- çµäº
- ãã®çµæã次ã®å³ãåŸãããã¯ãã§ãã
-
LVM æ§æ: ãè«çããªã¥ãŒã ãããŒãžã£ãŒã®æ§æããéžæããŸãã
- çŸåšã®ããŒãã£ã·ã§ã³ ã¬ã€ã¢ãŠããç¶æããLVM ãæ§æãã: ã¯ã
- ããªã¥ãŒã ã°ã«ãŒãã®äœæ
- ããªã¥ãŒã ã°ã«ãŒãå: ã·ã¹ãã
- æ°ããããªã¥ãŒã ã°ã«ãŒãã®ããã€ã¹: äœæãã RAID ãéžæããŸã
- è«çããªã¥ãŒã ã®äœæ
- è«çããªã¥ãŒã å: root
- è«çããªã¥ãŒã ãµã€ãº: ãã£ã¹ã¯ ãµã€ãºã® 25
- è«çããªã¥ãŒã ã®äœæ
- è«çããªã¥ãŒã å: var
- è«çããªã¥ãŒã ãµã€ãº: ãã£ã¹ã¯ ãµã€ãºã® 25
- è«çããªã¥ãŒã ã®äœæ
- è«çããªã¥ãŒã å: ãã°
- è«çããªã¥ãŒã ãµã€ãº: ãã£ã¹ã¯ ãµã€ãºã® 15
- [æ§æã®è©³çŽ°ã衚瀺] ãéžæãããšã次ã®å³ã衚瀺ãããŸãã
- LVM ã»ããã¢ãããå®äºãããšã次ã®ããã«è¡šç€ºãããŸãã
-
ããŒãã£ã·ã§ã³ã®ã¬ã€ã¢ãŠã: LVM ã§äœæãããåããªã¥ãŒã ãé çªã«éžæããããšãã° root ã®å Žåã¯æ¬¡ã®ããã«ããŒãã£ã·ã§ã³åããŸãã
- ãšããŠäœ¿çš: ext4
- ããŠã³ããã€ã³ã: /
- ã«ãŒã ããŒãã£ã·ã§ã³ãåå²ããçµæã¯æ¬¡ã®ããã«ãªããŸãã
- é©åãªããŠã³ã ãã€ã³ã (/var ãš /var/log ãæåã§å
¥å) ãéžæããŠãvar ãš log ã®ããŒãã£ã·ã§ã³åæäœãç¹°ãè¿ããšã次ã®çµæãåŸãããŸãã
- ãããŒãã£ã·ã§ãã³ã°ã®çµäºããéžæããŸã
- ã¢ã³ããŠã³ããããããŒãã£ã·ã§ã³ããããã¹ã¯ãããæ§æãããŠããªããšããäºå®ã«é¢ããŠãããã€ãã®è³ªåã衚瀺ãããŸãã ã©ã¡ãã®è³ªåã«ãåŠå®çã«çããå¿ èŠããããŸãã
-
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3) æåã®ããã€ã¹ (sda) ã« grub ãé 眮ã㊠OS ã®ã€ã³ã¹ããŒã«ãå®äºããã·ã¹ãã ãèµ·åããŸãã
4) /boot ããŒãã£ã·ã§ã³ã®å 容ã sda ãã£ã¹ã¯ (ssd1) ãã sdb ãã£ã¹ã¯ (ssd2) ã«ã³ããŒããŸããdd if=/dev/sda1 of=/dev/sdb1
5) XNUMX çªç®ã®ããã€ã¹ã« grub ãã€ã³ã¹ããŒã«ããŸãã
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fdisk -l lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT
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grub-install /dev/sdb
-
cat /proc/mdstat ã䜿çšããŠçŸåšã® Raid ã«é¢ããæ å ±ã衚瀺ãã衚瀺ãããå 容ãæžãçããŸãã
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ã³ãã³ã pvsãvgsãlvsãmount ã®åºåã確èªãã衚瀺ãããå 容ãæ£ç¢ºã«æžãçããŸãã
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1) ãããã¹ã¯ããããã¯ã¹ã«ãã§ãã¯ãå ¥ãããšããªã³ã¶ãã©ã€ã§ãã£ã¹ã¯ãåé€ã§ããŸãã
- ãã·ã³ã®ããããã£ã§ãã£ã¹ã¯ ssd1 ãåé€ããŸã
- ä»®æ³ãã·ã³ã®ãã¡ã€ã«ãä¿åãããŠãããã£ã¬ã¯ããªãèŠã€ããŠãssd1.vmdk ãåé€ããŸãã
2) ä»®æ³ãã·ã³ããŸã å®è¡ãããŠããããšã確èªããŸãã
3) ä»®æ³ãã·ã³ãåèµ·åãããŸã åäœããããšã確èªããŸãã
4) RAID ã¢ã¬ã€ã®ã¹ããŒã¿ã¹ã確èªããŸã: cat /proc/mdstat
5) åããµã€ãºã®æ°ãããã£ã¹ã¯ã VM ã€ã³ã¿ãŒãã§ã€ã¹ã«è¿œå ããssd3 ãšããååãä»ããŸãã
6) 以äžã®æäœã«åŸããŸãã - fdisk -l ã³ãã³ãã䜿çšããŠãæ°ãããã£ã¹ã¯ãã·ã¹ãã ã«å°çããããšã確èªããŸãã
- ããŒãã£ã·ã§ã³ ããŒãã«ãå€ããã£ã¹ã¯ããæ°ãããã£ã¹ã¯ã«ã³ããŒããŸãã sfdisk -d /dev/XXXX | sfdisk /dev/YYY
- fdisk -l ã§çµæã確èªãã
- æ°ãããã©ã€ãã RAID ã¢ã¬ã€ã«è¿œå ããŸã: mdadm --manage /dev/md0 --add /dev/YYY
- åºåãèŠãŠãã ãã: cat /proc/mdstatã åæãéå§ãããããšã確èªã§ããã¯ãã§ãã
7) 次ã«ãé RAID ããŒãã£ã·ã§ã³ãæåã§åæããå¿ èŠããããŸãã
ãããè¡ãã«ã¯ãdd ãŠãŒãã£ãªãã£ã䜿çšããŠããã©ã€ãããã£ã¹ã¯ããæè¿ã€ã³ã¹ããŒã«ããæ°ãããã£ã¹ã¯ã«ã³ããŒããŸããdd if=/dev/XXX of=/dev/YYY
8) åæãå®äºããããæ°ãããã©ã€ãã« grub ãã€ã³ã¹ããŒã«ããŸãã
9) VM ãåèµ·åããŠããã¹ãŠãæ©èœããããšã確èªããŸãã
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çµæ: ssd1 ãåé€ããssd2 ãä¿æããssd3 ãè¿œå ããŸãããã¿ã¹ã¯ 3 (æ°ãããã£ã¹ã¯ã®è¿œå ãšããŒãã£ã·ã§ã³ã®ç§»å)
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dd ã³ãã³ãã䜿çšããŠã/boot ããŒã¿ãæ°ãããã©ã€ãã«ã³ããŒããŸããdd if=/dev/XXX of=/dev/YYY
/boot ããŸã å€ããã©ã€ãã«ããŠã³ããããŠããå Žåã¯ãã©ã€ã ãã©ã€ãã«åããŠã³ãããå¿ èŠããããŸãã
mount | grep boot # ÑЌПÑÑОЌ кÑЎа ÑЌПМÑОÑПваМ ЎОÑк lsblk # ÑЌПÑÑОЌ какОе ЎОÑкО еÑÑÑ Ð² ÑОÑÑеЌе О ÑЌПÑÑОЌ еÑÑÑ Ð»Ðž ЎОÑк, пПлÑÑеММÑй Оз пÑеЎÑÐŽÑÑегП пÑМкÑа umount /boot # ПÑЌПМÑОÑÑеЌ /boot mount -a # вÑпПлМОЌ ЌПМÑОÑПваМОе вÑÐµÑ ÑПÑек ÑПглаÑМП /etc/fstab. # ÐПÑкПлÑÐºÑ ÑаЌ ÑказаМа ÑПÑка ЌПМÑОÑÐŸÐ²Ð°ÐœÐžÑ /dev/sda, ÑП бÑÐŽÐµÑ Ð²ÑпПлМеМП кПÑÑекÑМПе пеÑеЌПМÑОÑПваМОе Ма жОвПй ЎОÑк
æ°ããSSDãã©ã€ãã«ããŒãããŒããŒãã€ã³ã¹ããŒã«ãã
grub-install /dev/YYY
ãªããã®ãããªæäœãè¡ãã®ã§ãããã?
æ°ãã SSD ãã£ã¹ã¯ã XNUMX ã€ã ãå«ãæ°ãã RAID ã¢ã¬ã€ãäœæããŸãã
mdadm --create --verbose /dev/md63 --level=1 --raid-devices=1 /dev/YYY
äžèšã®ã³ãã³ãã¯ãç¹å¥ãªããŒãæå®ããªããšæ©èœããŸããã
ãã«ããèªãã§ããã®ããŒãã³ãã³ãã«è¿œå ããŠãã ãããcat /proc/mdstat ã³ãã³ãã䜿çšããŠãæäœã®çµæã確èªããŸãã å€åããããšïŒ
lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT ã³ãã³ããå®è¡ãããã®åºåãåã®åŒã³åºããšæ¯èŒããŸãã
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6) 次ã®ã¹ãããã¯ãLVM ãæ§æããããšã§ãã
pvs ã³ãã³ããå®è¡ããŠãçŸåšã®ç©çããªã¥ãŒã ã«é¢ããæ å ±ã衚瀺ããŸãã
以åã«äœæãã RAID ã¢ã¬ã€ãå«ãæ°ããç©çããªã¥ãŒã ãäœæããŸããpvcreate /dev/md63
lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT ã³ãã³ããå®è¡ãããã®åºåãåã®åŒã³åºããšæ¯èŒããŸãã
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pvs ã³ãã³ããå床å®è¡ããŸãã å€åããããšïŒ
次ã®ã³ãã³ãã䜿çšããŠãããªã¥ãŒã ã°ã«ãŒã ã·ã¹ãã ã®ãµã€ãºãå¢ãããŸããvgextend system /dev/md63
ã³ãã³ããå®è¡ããŠãäœãèµ·ãã£ãã®ããäœãå€ãã£ãã®ããæžãçããŸãã
vgdisplay system -v pvs vgs lvs -a -o+devices
LV var,log,root ã¯çŸåšã©ã®ç©çãã£ã¹ã¯ã«ãããŸãã?
æ£ããããã€ã¹åã眮ãæããŠãå€ããã£ã¹ã¯ããæ°ãããã£ã¹ã¯ã«ããŒã¿ã移åããŸãã
pvmove -i 10 -n /dev/system/root /dev/md0 /dev/md63
ãã¹ãŠã®è«çããªã¥ãŒã ã«å¯ŸããŠæäœãç¹°ãè¿ããŸã
ã³ãã³ããå®è¡ããŠãäœãèµ·ãã£ãã®ããäœãå€ãã£ãã®ããæžãçããŸãã
vgdisplay system -v pvs vgs lvs -a -o+devices lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT
VG ããå€ã RAID ã®ãã£ã¹ã¯ãåé€ããŠãVG ãå€æŽããŸãããã æ£ãã RAID åã«çœ®ãæããŠãã ããã
vgreduce system /dev/md0
ã³ãã³ããå®è¡ããŠãäœãèµ·ãã£ãã®ããäœãå€ãã£ãã®ããæžãçããŸãã
lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT pvs vgs
èŠãç®ãçŸããããããã«ã/boot ã 4 çªç®ã® ssd ãã©ã€ã (ssd3) ã«åããŠã³ãããlsblk ãå®è¡ããŸãã ãã®çµæãSSDXNUMX ãã£ã¹ã¯ã¯
äœãããŠã³ãããªãã§ãã ããã /boot ããŒãã£ã·ã§ã³ã空ã§ãªãããšã泚ææ·±ã確èªããŠãã ãããls /boot
瀺ãã¹ã
è€æ°ã®ãã¡ã€ã«ãšãã©ã«ããŒã ãã®ã»ã¯ã·ã§ã³ã«äœãä¿åãããŠãããã調ã¹ãã©ã®ãã¡ã€ã« ãã£ã¬ã¯ããªãäœãæ åœããŠããããæžãçããŸãã
7) äžèšã®æè¡ä»æ§ã«åŸã£ãŠ ssd3 ãã£ã¹ã¯ãåãå€ããssd5ãhdd1ãhdd2 ãè¿œå ãããšãæçµçã«æ¬¡ã®ããã«ãªããŸãã
ssd4 - æåã®æ°ãã ssd
ssd5 - XNUMX çªç®ã®æ°ãã ssd
hdd1 - æåã®æ°ãã hdd
hdd2 - XNUMX çªç®ã®æ°ãã hdd8) ãã£ã¹ã¯ãè¿œå ããåŸã«äœãèµ·ãã£ããã確èªããŸãã
fdisk -l lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT
9) ã¡ã€ã³ RAID ã¢ã¬ã€ã®åäœã埩å ããŸãã
- ããŒãã£ã·ã§ã³ ããŒãã«ãã³ããŒããŠãæ£ãããã£ã¹ã¯ã眮ãæããŸãã
sfdisk -d /dev/XXX | sfdisk /dev/YYY
- å€ããã©ã€ãããããŒãã£ã·ã§ã³ ããŒãã«ãã³ããŒãããšããæ°ãããµã€ãºã¯æ¬¡ã®ããã«èŠããããšã«æ³šæããŠãã ããã
ããŒããã©ã€ãã®å šå®¹éã䜿çšããŸããã
ãããã£ãŠãããã«ãã®ããŒãã£ã·ã§ã³ã®ãµã€ãºãå€æŽããRAID ãæ¡åŒµããå¿ èŠããããŸãã
次ã®ã³ãã³ããå ¥åããŠèªåã®ç®ã§ç¢ºèªããŠãã ãããlsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT
10) ããŒã ããŒãã£ã·ã§ã³ /boot ã ssd4 ãã ssd5 ã«ã³ããŒããŸãã
dd if=/dev/XXX of=/dev/YYY
11) æ°ãããã©ã€ã (ssd5) ã« grub ãã€ã³ã¹ããŒã«ããŸãã
12) ssd5 ãã£ã¹ã¯ã® XNUMX çªç®ã®ããŒãã£ã·ã§ã³ã®ãµã€ãºãå€æŽããŸãããã£ã¹ã¯ã®ããŒãã£ã·ã§ãã³ã°ãæäœããããã®ãŠãŒãã£ãªãã£ãå®è¡ããŸãã
fdisk /dev/XXX
d ããŒãå ¥åããŠæ¢åã®ããŒãã£ã·ã§ã³ãåé€ããŸã (2 ãéžæ)
ã㌠n ãå ¥åããŠæ°ããããŒãã£ã·ã§ã³ãäœæããŸã
p ããŒãå ¥åããŠããŒãã£ã·ã§ã³ ã¿ã€ãããã©ã€ããªããæå®ããŸãã
ã㌠2 ãå ¥åããŠãæ°ããããŒãã£ã·ã§ã³ã« XNUMX çªç®ã®çªå·ãä»ããŸãã
æåã®ã»ã¯ã¿ãŒ: Enter ããŒãæŒããŠãèªåçã«èšç®ãããããŒãã£ã·ã§ã³ã®å é ã®ãµã€ãºãåãå ¥ããŸãã
æåŸã®ã»ã¯ã¿ãŒ: Enter ããŒãæŒããŠãèªåçã«èšç®ãããã»ã¯ã·ã§ã³ã®çµããã®ãµã€ãºãåãå ¥ããŸãã
l ããŒãå ¥åãããšãèãããããã¹ãŠã®ããŒãã£ã·ã§ã³ ã¿ã€ãã®ãªã¹ãã衚瀺ããããã®äžã« Linux RAID auto ã衚瀺ãããŸãã
ã㌠t ãå ¥åããŠäœæãããããŒãã£ã·ã§ã³ã®ã¿ã€ããå€æŽã (2)ãåã®æé ã§èŠã€ããçªå·ãå ¥åããŸãã
w ãå ¥åããŠå€æŽããã£ã¹ã¯ã«æžã蟌ã¿ãŸãã
12) ããŒãã£ã·ã§ã³ããŒãã«ãåèªã¿èŸŒã¿ããçµæã確èªããŸããpartx -u /dev/XXX lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT
çŸåšã® RAID ã¢ã¬ã€ã«æ°ãããã£ã¹ã¯ãè¿œå ããŸã (æ£ãããã£ã¹ã¯ã眮ãæããããšãå¿ããªãã§ãã ãã)ã
mdadm --manage /dev/md63 --add /dev/sda2
ã¢ã¬ã€å ã®ãã£ã¹ã¯ã®æ°ã 2 åã«æ¡åŒµããŸãããã
mdadm --grow /dev/md63 --raid-devices=2
çµæãèŠãŠãã ãã: 2 ã€ã®é åãããŒã¯ã¢ãããããŠããŸããããã®é åã«å«ãŸããäž¡æ¹ã®ã»ã¯ã·ã§ã³ã®ãµã€ãºãç°ãªããŸãã
lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT
13) ssd4 ãã£ã¹ã¯äžã®ããŒãã£ã·ã§ã³ã®ãµã€ãºãå¢ãããŸãã
ãã£ã¹ã¯ã®ããŒãã£ã·ã§ãã³ã°ãæäœããããã®ãŠãŒãã£ãªãã£ãå®è¡ããŸãã
fdisk /dev/XXX
d ããŒãå ¥åããŠæ¢åã®ããŒãã£ã·ã§ã³ãåé€ããŸã (2 ãéžæ)
ã㌠n ãå ¥åããŠæ°ããããŒãã£ã·ã§ã³ãäœæããŸã
p ããŒãå ¥åããŠããŒãã£ã·ã§ã³ ã¿ã€ãããã©ã€ããªããæå®ããŸãã
ã㌠2 ãå ¥åããŠãæ°ããããŒãã£ã·ã§ã³ã« XNUMX çªç®ã®çªå·ãä»ããŸãã
æåã®ã»ã¯ã¿ãŒ: Enter ããŒãæŒããŠãèªåçã«èšç®ãããããŒãã£ã·ã§ã³ã®å é ã®ãµã€ãºãåãå ¥ããŸãã
æåŸã®ã»ã¯ã¿ãŒ: Enter ããŒãæŒããŠãèªåçã«èšç®ãããã»ã¯ã·ã§ã³ã®çµããã®ãµã€ãºãåãå ¥ããŸãã
ããŒã¯ã¢ããã®æåŸã§ [ããã] ãéžæãããšãé åã«å±ããã»ã¯ã·ã§ã³ã®çœ²åãæ®ããŸãã
w ãå ¥åããŠå€æŽããã£ã¹ã¯ã«æžã蟌ã¿ãŸãã
12) ããŒãã£ã·ã§ã³ããŒãã«ãåèªã¿èŸŒã¿ããçµæã確èªããŸããpartx -u /dev/XXX lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT
çŸåšãsda2ãsdc2 ããŒãã£ã·ã§ã³ã¯ RAID ããã€ã¹ã®ãµã€ãºãã倧ããããšã«æ³šæããŠãã ããã
13) ãã®æ®µéã§ã¯ãã¬ã€ãã®èŠæš¡ãæ¡å€§ã§ããããã«ãªããŸããã
mdadm --grow /dev/md63 --size=max lsblk -o NAME,SIZE,FSTYPE,TYPE,MOUNTPOINT # check result
lsblk ã衚瀺ããŠãäœãå€æŽããããã確èªããŸã
14) ãã ããRAID ã®ãµã€ãºãå€æŽããŠããvg rootãvarãlog ã®ãµã€ãºã¯å€ãããŸããã§ããã- PV ãµã€ãºã確èªããŸãã
pvs
- PV ã®ãµã€ãºãæ¡å€§ããŸãã
pvresize /dev/md63
- PV ãµã€ãºã確èªããŸãã
pvs
15) æ°ããåºçŸããå Žæã® VG var, root ãè¿œå ããŸã
lvs # пПÑЌПÑÑОЌ ÑкПлÑкП ÑейÑÐ°Ñ ÑазЌеÑеМП lvextend -l +50%FREE /dev/system/root lvextend -l +100%FREE /dev/system/var lvs # пÑПвеÑÑÑе ÑÑП пПлÑÑОлПÑÑ
ãã®æç¹ã§ãã¡ã€ã³ ã¢ã¬ã€ã®æ°ãããã£ã¹ã¯ãžã®ç§»è¡ãå®äºããŸããã ssd1ãssd2ã®äœæ¥ãå®äºããŸãã
16) 次ã®ã¿ã¹ã¯ã¯ã/var/log ãæ°ãããã£ã¹ã¯ã«ç§»åããããšã§ãããã®ããã«ãhdd ãã£ã¹ã¯äžã«æ°ããã¢ã¬ã€ãš lvm ãäœæããŸãã
- æ°ãã HDD ãã£ã¹ã¯ã®ååãèŠãŠã¿ãŸããã
fdisk -l
- RAIDã¢ã¬ã€ãäœæãã
mdadm --create /dev/md127 --level=1 --raid-devices=2 /dev/sdc /dev/sdd
- 倧èŠæš¡ãªãã£ã¹ã¯ãã RAID äžã«æ°ãã PV ãäœæãã
pvcreate data /dev/md127
- ãã® PV ã« data ãšããã°ã«ãŒããäœæããŸã
vgcreate data /dev/md127
- ãã¹ãŠã®ç©ºãé åã®ãµã€ãºã®è«çããªã¥ãŒã ãäœæããããã val_log ãšåŒã³ãŸã
lvcreate -l 100%FREE -n var_log data # lvs # пПÑЌПÑÑОЌ ÑезÑлÑÑаÑ
- äœæããããŒãã£ã·ã§ã³ãext4ã§ãã©ãŒãããããŸã
mkfs.ext4 /dev/mapper/data-var_log
- çµæãèŠãŠã¿ãŸããã
lsblk
17) å€ãããŒãã£ã·ã§ã³ããæ°ããããŒãã£ã·ã§ã³ã«ãã° ããŒã¿ã転éããŸãã
äžæçãªæ°ãããã° ã¹ãã¬ãŒãžãããŠã³ããã
mount /dev/mapper/data-var_log /mnt
ããŒãã£ã·ã§ã³ãåæãã
apt install rsync rsync -avzr /var/log/ /mnt/
/var/log ã§çŸåšã©ã®ããã»ã¹ãåäœããŠãããã確èªãã
apt install lsof lsof | grep '/var/log'
ãããã®ããã»ã¹ãåæ¢ããŸã
systemctl stop rsyslog.service syslog.socket
ããŒãã£ã·ã§ã³ã®æçµåæãå®è¡ããŸãïŒæåŸã®åæ以éã«å€æŽãããå¯èœæ§ã®ããããŒã¿ïŒ
rsync -avzr /var/log/ /mnt/
ã»ã¯ã·ã§ã³ã亀æãã
umount /mnt umount /var/log mount /dev/mapper/data-var_log /var/log
äœãèµ·ãã£ãã®ãã確èªããŠãã ãã
lsblk
18) /etc/fstabãç·šéããŸã
fstab - èµ·åæã«ã©ã®ããŒãã£ã·ã§ã³ãããŠã³ãããããã«åŸã£ãŠã«ãŒã«ãèšè¿°ããããã¡ã€ã«
ç§ãã¡ã®ä»äºã¯ã/var/log ãããŠã³ããããŠããè¡ãèŠã€ããŠããã€ã¹ãä¿®æ£ããããšã§ããsystem-log
Маdata-var_log
19) ãã®æ®µéã§æãéèŠãªããšã¯ãã»ã¯ã·ã§ã³ ããŒãã« (ext4 ãªã©) ã®å€æŽãå¿ããªãããšã§ãã RAID ã lvm ãã©ã®ããã«å€æŽããŠããããŒãã£ã·ã§ã³ã®ãµã€ãºãå€æŽãããããšãããŒãã£ã·ã§ã³äžã® FS ã«éç¥ããããŸã§ã¯ãæ°ããã¹ããŒã¹ã䜿çšããããšã¯ã§ããŸããã ã³ãã³ãã䜿çšãã
resize2fs
FSãå€æŽããŸãã20) ãã¡ã€ãã«ã³ãŒã
- åèµ·åããŠã¿ãŸãããã ãã¹ãŠãæ£ããè¡ãããå Žåã¯ãåã³ OS ã«ã¢ã¯ã»ã¹ããŸã (ããã¯ãã¹ãŠãæ£åžžã«åäœããããšã確èªããããã«å¿ èŠã§ãããã®ã¹ãããã¯èªå·±ãã¹ã以å€ã«ã¯æå³ããããŸãã)ã
- ããããã£ãããšããã¹ãŠæ¬åœã«å®äºããŠããããšã確èªããŠãã ããã
pvs lvs vgs lsblk cat /proc/mdstat
21) [ãªãã·ã§ã³]次ã®æé ã«åŸããŸãã
- F12 ãæŒããŠåèµ·åããå¥ã®ãã£ã¹ã¯ããèµ·åããŠèµ·åã§ããããšã確èªããŸãã
ã©ã®SSDãã©ã€ãããã§ãããã¯ã¢ããã§ããã®ã§ããã®ãã¡ã®XNUMXå°ãæ éããŠãå¿é ããå¿ èŠã¯ãããŸããã - VG ã·ã¹ãã ã«äžèŠãª LV ãã°ãååšããŸãã ãã®ã¹ããŒã¹ã root ãŸã㯠var ã®éã«å²ãåœãŠãŸããã䜿çšãã代ããã«
ãã¶ã€ã³ã¯ 100%FREE -L ã¹ã€ããã䜿çšããŠæåã§ãµã€ãºãæå®ããŸãã-L 500M
- /boot ãåæããã« XNUMX ã€ã®ããŒãã£ã·ã§ã³ã«ãããšããåé¡ãä¿®æ£ããŸãããããæ£ããè¡ãå¿
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- ãããã®ããŒãã£ã·ã§ã³ãæ¢åã® RAID ã«å«ããŠãã¡ã€ã³ RAID ã« /boot ã埩å ããŸãããããŠã³ãã¯è¡ããŸããã
- æ°ãã HDD ãã£ã¹ã¯ã®ååãèŠãŠã¿ãŸããã
- PV ãµã€ãºã確èªããŸãã
- ããŒãã£ã·ã§ã³ ããŒãã«ãã³ããŒããŠãæ£ãããã£ã¹ã¯ã眮ãæããŸãã
- ãŸãããã¡ã€ã« ããŒãã«ãå€ããã£ã¹ã¯ããæ°ãããã£ã¹ã¯ã«ã³ããŒããå¿
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