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æœˆåˆŠã‚ã‚“ã©ã‚Šã‚…ãƒ¼ãã‚“(6æœˆå·) Â« Linux-HA Japan
ã“ã“æœ€è¿‘ã€ã‚ã‚“ã©ã‚Šã‚…ãƒ¼ãã‚“ã‚ˆã‚Šãµãƒã‚Šã£ã·ãã‚“ãŒè’ã¶ã£ã¦ã¾ã—ãŸãªã‚ã€‚ ã¨ã„ã†ã“ã¨ã§ã€ä»Šæœˆã¯DRBDã®ãƒªãƒªãƒ¼ã‚¹ãƒŽãƒ¼ãƒˆã‚’ä¸€ç”Ÿæ‡¸å‘½èªã‚“ã§ã¿ã¾ã—ãŸã€‚ ãƒªãƒªãƒ¼ã‚¹ã¨ã„ã£ã¦ã‚‚ã¾ã rc ãªã®ã§ã€æ£å¼ç‰ˆãŒå‡ºãŸæ®µéšŽã§æ”¹ã‚ã¦ã”ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ä»Šæœˆã®ãŠé¡Œã¯ã“ã¡ã‚‰ã®ãŠäºŒã¤ã€‚ ãƒªãƒªãƒ¼ã‚¹æƒ…å ± çŸ¥æµè¢‹ 1.ãƒªãƒªãƒ¼ã‚¹æƒ…å ± drbd-8.4.0rc1ã®ãƒªãƒªãƒ¼ã‚¹ DRBD 8.4.0rc1ãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¾ã—ãŸã€‚ 8.3ç³»ã‹ã‚‰ã®å¤§ããªå¤‰æ›´ç‚¹ã¯ã€ã“ã¡ã‚‰ã€‚ The most noticeable change is the support for multiple replicated volumes in a single DRBD connection. 8.3ç³»ã§ã¯ã€ä¸€æœ¬ã®åŒæœŸLANã§è¤‡æ•°ã®ãƒªã‚½ãƒ¼ã‚¹ï¼ˆãƒ–ãƒãƒƒã‚¯ãƒ‡ãƒã‚¤ã‚¹ï¼‰ã‚’åŒæœŸã•ã›ãŸã„å ´åˆ ãƒªã‚½ãƒ¼ã‚¹ã”ã¨ã«åŒæœŸç”¨ã®ãƒãƒ¼ãƒˆç•ªå·ã‚’å¤‰ãˆã‚‹å¿…è¦ãŒã‚ã£ãŸã®ã§ã™ãŒ 8.4ç³»ã§ã¯ã€Œvol
ftnk 2011/06/05
DRBD
ãƒªãƒ³ã‚¯
DRBD-MCãŒæ—¥æœ¬èªžãƒªã‚½ãƒ¼ã‚¹å¯¾å¿œã¨ãªã‚Šã¾ã™ã€‚ Â« Linux-HA Japan
ftnk 2011/04/03
DRBD

linux

HA
ãƒªãƒ³ã‚¯
Munin Exchange | DRBD Stat plugin
ftnk 2010/09/17
drbd

munin

plugin
ãƒªãƒ³ã‚¯
DRBDã‚’å‹•ã‹ã—ã¦ã¿ãŸå‚™å¿˜éŒ² - hshinjiã®æ—¥è¨˜
å‚è€ƒã‚µã‚¤ãƒˆ DRBD | Distributed Replicated Block Device CentOSã¸ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ãƒ¡ãƒ¢ - yoshifumi1975's diary ã„ã¤ã‚‚ã®ã‚ˆã†ã«ã€ã‚²ã‚¹ãƒˆOS 2å°ã§æ§‹ç¯‰ã€‚OSã¯CentOS 5.4ã§ã™ã€‚ 1å°ç›®ã®ãƒ›ã‚¹ãƒˆåã‚’"drbd_prim"ã€IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’192.168.1.96ã€2å°ç›®ã®ãƒ›ã‚¹ãƒˆåã‚’"drbd_second"ã€IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’192.168.1.97ã¨ã—ã¾ã™ã€‚ ã¾ãŸã€DRBDãƒ‡ãƒã‚¤ã‚¹ã¯/dev/drbd0ã¨ã—ã¾ã™ã€‚ ã¾ãšã€ã‚²ã‚¹ãƒˆOSä¸€ã¤ã‚’æº–å‚™ã—ã¦ãã®å¾Œãã‚Œã‚’ã‚³ãƒ”ãƒ¼ã—ã¾ã™ã€‚ 1å°ç›® å…ˆæ—¥ä½œã£ã¦ãŠã„ãŸç´ ã®CentOS 5.4ï¼ˆå…ˆæ—¥ã®ã€Œã‚²ã‚¹ãƒˆOSã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ï¼ˆCentOSï¼‰ã€ã®ã¨ã“ã‚ã¾ã§ã®ã‚‚ã®ï¼‰ã‚’ã‚³ãƒ”ãƒ¼ã€‚ # virt-clone -o centos.base -n drbd_prim -f /var/lib/libvirt/
ftnk 2010/04/06
linux

drbd
ãƒªãƒ³ã‚¯
DRBDã§ç‰‡æ–¹ã®DISKãŒé£›ã‚“ã çŠ¶æ…‹ã‹ã‚‰ã®å¾©å¸° - é…’æ—¥è¨˜ ã¯ã¦ãªæ”¯åº—
CentOS-5.2 + DRBD-8.2.6 ã§é‹ç”¨ã—ã¦ã„ãŸ DRBD ã®ã€ç‰‡æ–¹ã® DISK ãŒæ•…éšœã—ãŸã®ã§ãã“ã‹ã‚‰å¾©æ—§ã—ãŸãƒ¡ãƒ¢ã€‚ æ•…éšœæ™‚ã€‚ãã®æ™‚ Primary ã ã£ãŸã»ã†ã® DISK ãŒ I/O errorã€‚DRBD ãŒéšœå®³ã‚’æ¤œçŸ¥ã—ã¦ Secondary ã«åˆ‡ã‚Šæ›¿ã‚ã‚Šã€‚ kernel: sd 5:0:0:0: SCSI error: return code = 0x00040000 kernel: end_request: I/O error, dev sde, sector 37336199 kernel: drbd1: Local WRITE failed sec=164368s size=4096 kernel: drbd1: got an _req_mod() errno of -5 kernel: drbd1: Local WRITE failed sec=14934432
ftnk 2010/04/05
Linux

DRBD

TroubleShooting
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CentOS ã« drbd ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ - ~fumi/ChangeLog
ftnk 2009/05/31
Linux

CentOS

drbd

mysite
ãƒªãƒ³ã‚¯
DRBD+Heartbeat+NFS
ã¾ãšã€DRBDã¨Heartbeatã®æ§‹ç¯‰ã‚’ã—ã¦ãŠãã¾ã™ã€‚ã“ã¡ã‚‰ã¯çœç•¥ã—ã¾ã™ã€‚ ç¶šã„ã¦ã€Heartbeatã® /etc/ha.d/haresoureces ã®è¨å®šã‚’è¡Œãªã„ã¾ã™ã€‚ # vim /etc/ha.d/haresources testserver1 drbddisk::drbd0 Filesystem::/dev/drbd0::/var/drbd::ext3 IPaddr::192.168.99.3/24/eth0 ã“ã¡ã‚‰ã®è¨å®šã§ DRBD ã®å¾©å¸°ã¨ã€ /dev/drbd0 ã‚’ /var/drbd ã¸ã®ãƒžã‚¦ãƒ³ãƒˆã€ä»®æƒ³IPã®å‰²ã‚Šã‚ã¦ãŒè¡Œãªãˆã¾ã™ã€‚ã‚‚ã¡ã‚ã‚“ã€testserver1ã¨testserver2ã§ /var/drbd ã‚’ä½œæˆã—ã¦ãŠãå¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ # mkdir /var/drbd ã“ã®æ®µéšŽã§ä¸€åº¦ heartbeat ã®ãƒ†ã‚¹ãƒˆã‚’ã—ã¾ã™ã€‚testserver1ã§heartbeat
ftnk 2009/04/20
drbd

Heartbeat

nfs
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VMwareã§DRBDã‚’ãƒ†ã‚¹ãƒˆ
ãŠã¯ã‚ˆã†ã”ã–ã„ã¾ã™ã€ç‰§é‡Žã§ã™ã€‚ä»Šé€±ã‹ã‚‰æœåž‹ç”Ÿæ´»ã«åˆ‡ã‚Šæ›¿ãˆã¾ã—ãŸã€‚ã§ãã‚‹ã ã‘ãŒã‚“ã°ã£ã¦ç¶šã‘ã¦ã„ã“ã†ã¨æ€ã£ã¦ã„ã¾ã™ã€‚ ã•ã¦ã€ä»Šå›žã¯DRBDã«ã¤ã„ã¦ã§ã™ã€‚ DRBDã«ã¤ã„ã¦ç°¡å˜ã«èª¬æ˜Žã™ã‚‹ã¨ã€ãƒãƒ¼ãƒ‰ãƒ‡ã‚£ã‚¹ã‚¯ã®RAID1ï¼ˆãƒŸãƒ©ãƒ¼ãƒªãƒ³ã‚°ï¼‰ã‚’ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚’ä»‹ã—ã¦é›¢ã‚ŒãŸå ´æ‰€ã«ã‚ã‚‹ãƒžã‚·ãƒ³ã®ãƒãƒ¼ãƒ‰ãƒ‡ã‚£ã‚¹ã‚¯ã¨ã§ãã‚‹ã‚ˆã†ã«ã™ã‚‹ãŸã‚ã®ã‚½ãƒ•ãƒˆã§ã™ã€‚ DRBDã¯ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ãªã®ã§ã€é«˜ä¾¡ãªæ©Ÿå™¨ã‚’è²·ã‚ãªãã¦ã‚‚ã‚ˆãã€äºˆã‚RAIDã‚’çµ„ã‚“ã§ã„ãªãã¦ã‚‚ãƒŸãƒ©ãƒ¼ãƒªãƒ³ã‚°ã‚’å®Ÿç¾ã§ãã¾ã™ã€‚ ã•ã‚‰ã«heartbeatã¨ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚„NFSã¨ã„ã£ãŸåˆ¥ã‚µãƒ¼ãƒ“ã‚¹ã‚’çµ„ã¿åˆã‚ã›ã‚‹ã“ã¨ã«ã‚ˆã‚Šã€ä¸€æ–¹ã®ãƒžã‚·ãƒ³ã«ãƒˆãƒ©ãƒ–ãƒ«ãŒç™ºç”Ÿã—ãŸå ´åˆã«è‡ªå‹•çš„ã«ã‚‚ã†ä¸€æ–¹ã®ãƒžã‚·ãƒ³ã‚’ä½¿ã†ã‚ˆã†ã«ã™ã‚‹ã€ã¨ã„ã†ã‚ˆã†ãªå†—é•·åŒ–ã‚·ã‚¹ãƒ†ãƒ ã‚’å®Ÿç¾ã§ãã¾ã™ã€‚ è©³ã—ãã¯ã“ã¡ã‚‰ã‚’è¦‹ã¦ä¸‹ã•ã„ã€‚è‹±èªžã®ãƒšãƒ¼ã‚¸ã®æ–¹ãŒèª¬æ˜ŽãŒå……å®Ÿã—ã¦ã„ã¾ã™ã€‚ http://www.drbd.jp/ ãŸã ã€ã„ãã¤ã‹åˆ¶ç´„ãŒã‚ã‚Šã¾
ftnk 2009/02/13
drbd
ãƒªãƒ³ã‚¯
ScalableStorageWithOSS02 - mizzy.org - Trac
OSS ã ã‘ã§ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«ãªã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’å®‰ä¾¡ã«æ§‹ç¯‰ã™ã‚‹æ–¹æ³• #2 OSS ã ã‘ã§ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«ãªã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’å®‰ä¾¡ã«æ§‹ç¯‰ã™ã‚‹æ–¹æ³• #1 ã®ã¤ã¥ãã€‚ Xen ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã®ä½œæˆ ã“ã“ã¯è©³ã—ãè§£èª¬ã—ã¾ã›ã‚“ã€‚å¥½ããªã‚ˆã†ã«ä½œæˆã—ã¦ãã ã•ã„ã€‚è‡ªåˆ†ã¯ Cobbler/Koan ã‚’ä½¿ã£ã¦ã¾ã™ã€‚ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã¯6ã¤ä½œæˆã€‚ client0, client1ï¼ˆã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’ãƒžã‚¦ãƒ³ãƒˆã™ã‚‹ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ï¼‰ storage0a, storage0bï¼ˆã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’æ§‹æˆã™ã‚‹ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚»ãƒƒãƒˆãã®1ï¼‰ storage1a, storage1bï¼ˆã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’æ§‹æˆã™ã‚‹ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã‚»ãƒƒãƒˆãã®2ï¼‰ å…¨ä½“çš„ãªæ§‹æˆæ¦‚è¦ã«ã¤ã„ã¦ã¯ã€å‰å›žã®ã‚¨ãƒ³ãƒˆãƒª ã‚’å‚ç…§ã—ã¦ãã ã•ã„ã€‚ ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆç”¨ãƒ–ãƒãƒƒã‚¯ãƒ‡ãƒã‚¤ã‚¹ã®ä½œæˆ storage[01][ab] ä¸Šã§ã€GNBD ã«ã‚ˆã‚Šã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆã™ã‚‹ãƒ–ãƒãƒƒã‚¯ãƒ‡ãƒã‚¤ã‚¹ï¼ˆãƒ‡ã‚£ã‚¹ã‚¯ï¼‰ã‚’ä½œæˆã€‚ ãƒ‡ã‚£ã‚¹ã‚¯ã‚¤ãƒ¡ãƒ¼ã‚¸ã‚’ä½œæˆã€‚ãƒ†ã‚¹ãƒˆç”¨
ftnk 2008/10/21
storage

scalability

linux

DRBD
ãƒªãƒ³ã‚¯
DRBD + Keepalived + iSCSI target ã‚’ VMware ESXi ã‹ã‚‰ä½¿ã†ãƒ¡ãƒ¢ - é…’æ—¥è¨˜ ã¯ã¦ãªæ”¯åº—
å˜ãªã‚‹ãƒ¡ãƒ¢ã§ã™ã€‚ ãƒ›ã‚¹ãƒˆã‚’ 2å°ç”¨æ„ã—ã¦ DRBD ã§ãƒŸãƒ©ãƒ¼ãƒªãƒ³ã‚° iSCSI Enterprise Target ã§ iSCSI target ã«ã™ã‚‹ Keepalived VRRP ã§ VIP ã‚’æŒ¯ã£ã¦ Master/Backup æ§‹æˆã§ failover å¯èƒ½ã« VMware ESXi ã‹ã‚‰ãã® iSCSI target ä¸Šã«ä»®æƒ³ãƒžã‚·ãƒ³ã‚’æ§‹ç¯‰ failover ã—ã¦ã‚‚ä»®æƒ³ãƒžã‚·ãƒ³ãŒæ¢ã¾ã‚‰ãªã„ ã¨ã„ã†æ§‹æˆãŒã§ããŸã€‚OS ã¯ CentOS-5.2ã€‚ ä»®æƒ³ãƒžã‚·ãƒ³ã§ make ãªã©ã‚’ã—ã¦ã€IO ãŒã‚¬ãƒªã‚¬ãƒªèµ·ãã¦ã„ã‚‹çŠ¶æ…‹ã§ failover (ãƒžã‚¹ã‚¿ãƒ¼ã«ãªã£ã¦ã„ã‚‹ãƒžã‚·ãƒ³ã®é›»æºæ–ã¨ã‹) ã—ã¦ã‚‚ã€ä»®æƒ³ãƒžã‚·ãƒ³å´ã§ã¯ IO ãŒæ•°ç§’å¾…ãŸã•ã‚Œã‚‹ã ã‘ã§ç‰¹ã«ã‚¨ãƒ©ãƒ¼ãªã©ã¯èµ·ããšã€‚çµæ§‹æ°—æŒã¡ã„ã„ãªã“ã‚Œã€‚ ãŸã ã—ã€DRBD ã®ãƒ—ãƒãƒˆã‚³ãƒ«ãŒ A or C ã ã¨å¤§ä¸ˆå¤«ã ãŒã€B ã ã¨ä»®æƒ³ãƒžã‚·ãƒ³å´ã§ IO error ãŒå¤§é‡
ftnk 2008/10/20
storage

keepalived

drbd
ãƒªãƒ³ã‚¯
ï¼ ITï¼šDRBDï¼‹iSCSIå¤¢ã®å…±æ¼”ï¼ˆå‰ç·¨ï¼‰ï¼ˆ1/3ï¼‰
Linuxä¸Šã§å‹•ä½œã™ã‚‹ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã€ŒDRBDã€ã¨iSCSIã‚’çµ„ã¿åˆã‚ã›ã€éƒ¨é–€å†…ã®Windowsç«¯æœ«ã®ãƒ‡ãƒ¼ã‚¿ã‚’ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã™ã‚‹ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã—ã¦ã¿ã‚ˆã†ï¼ˆç·¨é›†éƒ¨ï¼‰ æ ªå¼ä¼šç¤¾ã‚µãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ å²©å´Ž ç™» 2008/8/4 Linuxä¸Šã§å‹•ä½œã™ã‚‹ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã€ŒDRBDã€ã§ã¯ã€ãƒŸãƒ©ãƒ¼ãƒªãƒ³ã‚°ã«ã‚ˆã£ã¦ä¼æ¥å†…ã®ã•ã¾ã–ã¾ãªãƒ‡ãƒ¼ã‚¿ã‚’ä¿è·ã™ã‚‹ã“ã¨ãŒã§ãã‚‹ã€‚ã“ã‚Œã«ã€ãƒã‚¤ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãªiSCSIã‚’çµ„ã¿åˆã‚ã›ã€éƒ¨é–€å†…ã®Windowsç«¯æœ«ã®ãƒ‡ãƒ¼ã‚¿ã‚’ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã™ã‚‹ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã—ã¦ã¿ã‚ˆã†ã€‚ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒŸãƒ©ãƒ¼ãƒªãƒ³ã‚°ã‚’å®Ÿç¾ã™ã‚‹DRBD Distributed Replicated Block Deviceã®é æ–‡å—ã‚’å–ã‚Šã€ŒDRBDã€ã¨å‘¼ã°ã‚Œã‚‹ã“ã®ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã¯ã€ã‚ªãƒ¼ã‚¹ãƒˆãƒªã‚¢ã®LINBITç¤¾ãŒé–‹ç™ºã—ãŸãƒŸãƒ©ãƒ¼ãƒªãƒ³ã‚°æŠ€è¡“ã§ã‚ã‚Šã€ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã¨ã—ã¦æä¾›ã•ã‚Œã¦ã„ã‚‹ã€‚ DBBDã¯ãã®åã®ã¨ãŠã‚Šã€ãƒãƒ¼ãƒ‰ãƒ‡ã‚£
ftnk 2008/10/04
storage

DRBD

backup

iSCSI
ãƒªãƒ³ã‚¯
Gentoo Linux Users Group Japan
ä»Šå›žã‚‚GnetooJPã¨ã—ã¦ã€ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹2009 Tokyo/Fallã«å‚åŠ ã—ã¾ã™ã€‚ ä»Šå›žã‚‚ æ—¥æœ¬ã‚¿ã‚¤ãƒ« ã¨ã®å…±åŒå±•ç¤ºã§ã™ã€‚ å±•ç¤ºãƒ»é…å¸ƒã¯ä»¥ä¸‹ã‚’è¡Œã„ã¾ã™ã€‚ - ç¶šãã‚’èªã‚€ -
ftnk 2007/12/27
linux

heartbeat

gentoo

failover

drbd

scalability
ãƒªãƒ³ã‚¯
ãƒ¯ãƒ¼ãƒ«ãƒ‰ãƒ“ã‚¸ãƒã‚¹ã‚»ãƒ³ã‚¿ãƒ¼æ ªå¼ä¼šç¤¾ -
Confront with ICT ICTã§å‘ãåˆã† Resolution with ICT ICTã§è§£æ±ºã™ã‚‹ Grow with ICT ICTã§æˆé•·ã•ã›ã‚‹
ftnk 2007/12/27
linux

cluster

network

drbd

storage

howto
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DRBD+Heartbeatã§ãŠæ‰‹è»½HA Clusterã€€VA Linux Systems Japan
ã‚µãƒ¼ãƒã‚’é‹ç”¨ã™ã‚‹éš›ã®å•é¡Œã®ä¸€ã¤ã¨ã—ã¦æ•…éšœæ™‚ã®å¯¾å¿œãŒã‚ã‚Šã¾ã™ã€‚é«˜ä¾¡ãªã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã™ã‚Œã°ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã¯SANã§æ§‹ç¯‰ã—ã€ã‚µãƒ¼ãƒ“ã‚¹ã®ãƒ•ã‚§ã‚¤ãƒ«ã‚ªãƒ¼ãƒãƒ¼ã‚‚é«˜ä¾¡ãªå•†ç”¨ã‚½ãƒ•ãƒˆã‚’å°Žå…¥ã™ã‚‹ã“ã¨ã§å®Ÿç¾ã™ã‚‹ã“ã¨ã¯å¯èƒ½ã§ã™ã€‚ã—ã‹ã—ãªãŒã‚‰ã€ã€Œãã“ã¾ã§ã‚³ã‚¹ãƒˆã‚’ã‹ã‘ã¦æ§‹ç¯‰ã—ãªãã¦ã‚‚ã€ã€ã€ã€ã¨ã„ã£ãŸå ´åˆã‚‚ã‚ã‚‹ã‹ã¨æ€ã„ã¾ã™ã€‚ãã®ã‚ˆã†ãªå ´åˆã®è§£æ±ºç–ã®ä¸€ã¤ã¨ã—ã¦ã€æœ¬ç·¨ã§ã¯DRBD + Heartbeatã¨ã„ã†ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ãƒ»ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚’ç”¨ã„ã¦ã€HA Clusterã‚’æ§‹ç¯‰ã™ã‚‹æ–¹æ³•ã‚’è§£èª¬ã—ã¾ã™ã€‚ä»¥ä¸‹ã€<host_m>ã¨<host_s>ã¨ã„ã†2å°ã®ã‚µãƒ¼ãƒã‚’ç”¨ã„ãŸæ§‹æˆæ‰‹é †ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ DRBDã¨ã¯ã€Distributed Replicated Block Deviceã®ç•¥ã§ã€æœ¬å®¶WEBã‚µã‚¤ãƒˆã¯ http://www.drbd.org/ ã«ãªã‚Šã¾ã™ã€‚å…·ä½“çš„ã«DRBDã¯ä½•ã‚’ã™ã‚‹ã‚‚ã®ã‹ï¼Ÿã¨ã„ã†ã¨ã€ãƒ‘ãƒ¼ãƒ†ã‚£ã‚·ãƒ§ãƒ³
ftnk 2007/12/27
drbd

heartbeat

cluster

linux
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ftnk 2007/09/11
server

backup

network

DRBD
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