ܼ
DRBDδŪưԤ
OS | CentOS Linux release 7.3.1611 |
Kernel | Linux version 3.10.0-514.10.2.el7.x86_64 |
DRBD | drbd84-utils-8.9.8-1.el7.elrepo.x86_64 |
DRBD Kernel Module | kmod-drbd84-8.4.9-1.el7.elrepo.x86_64 |
DRBDư/etc/drbd.confˤƹԤ
ºݤΥѥ /etc/drbd.d/ ۲ΥեѤglobal_common.confȥեʽ֤Ǥ/etc/drbd.d/*.resˤɤ߹ưƤ롣
ƥ˴ؤϰʲΥȤȤΤȡ
https://blog.3ware.co.jp/drbd-users-guide-8.3/re-drbdconf.html
եȤʣΥǶڤƤꡢưƤꤹ롣
global_common.confˤϲ˥ե*.resˤˤΤԤȤư뤳ȤǽǤ롣
-
global | Хѥ |
common | ƤΥ˰Ѥ륪ץ |
handlers | Υ٥Ȥ˱ |
startup | DRBDưΥॢȤ˴ؤ |
disk | ʪȥ졼˴ؤ |
net | ͥåȥ˴ؤ |
syncer | DRBDƱ˴ؤ |
redource | DRBDƱѡƥˤ˴ؤ |
ƥɽŪʥѥܤ롣
global †
usage-count yes; | DRBDץȤDRBDѾ |
handlers †
pri-on-incon-degr | Ȥץ饤ޥǡǤƤ꤫ĥǡ礬äޥ¹ |
pri-lost-after-sb | Ȥץ饤ޥǡץåȥ֥쥤(2)νԤ˻ꤷޥ¹ |
local-io-error | ǥI/Oǥ顼ȯ˻ꤷޥ¹ |
startup †
wfc-timeout | ưDRBDΡɤȤ³ॢȤäǻꡣ0ϥॢȤʤ(ǥե) |
degr-wfc-timeout | ꤷÿΥॢȸǥ졼ɥ⡼ɤˤʤΡɤξ㳲Ʊ֡ |
become-primary-on | ư˥ץ饤ޥˤΡɤꡣ̤ʥǥեȡˤξ硢ξȤ⥻ȤƵư롣 |
disk †
on-io-error | IO顼ȯưꡣ |
disk-flushes | ǥեåγǧ |
disk-barrier | ͥƥ֡ޥ塼NCQˤλ̵ͭλꡣͥ2.6.36ʹߵڤRHEL62.6.32ǤϡץȤäƤϤʤʤȤλ |
md-flushes | ǥХؤΥǥեå̵ͭ |
- on-io-error
call-local-io-error | handlerslocal-io-erroeƤӽФ |
pass_on | (MWOS)I/O顼֤ |
detach | ΥǥХڤΥ³ |
- disk-flushes
yes | ǥؤνޤ줿ǽߴλȤߤʤ |
no | å˽ޤ줿ǽߴλȤߤʤ |
net †
protocol | Ʊ˻Ѥץȥ륿פprotocolȡ |
csums-alg | иΡɤǧڤԤ硢HMAC르ꥺꤹ롣 |
verify-alg | verifyޥǥǥƤ饤ȹ礹ݡDRBDϥӥåñ̤ӤǤϤʤ֥åȤΥϥåͤиΡɤΥϥåͤӤ롣md5sha1crc32cѲǽ |
after-sb-0pri | ץåȥ֥쥤Ф줿ȤξΡɤȤ⥻ξŬѤݥꥷ |
after-sb-1pri | ץåȥ֥쥤Ф줿Ȥˤɤ餫1ĤΥΡɤץ饤ޥǤŬѤݥꥷ |
after-sb-2pri | ץåȥ֥쥤Ф줿ȤξΡɤȤץ饤ޥǤŬѤݥꥷ |
- protocol
ѤƱΥ르ꥺ롣̾Protocol C侩(ʲޥ˥奢뤫ž)
A | Ʊץꥱץȥ롣ץ饤ޥΡɤǤΥǥؤνߤϡΥǥ˽ǥץꥱѥåȤTCPХåեäǡλȽǤޤƥ९åʤɤζŪʥե륪Фȡǡʶǽޤå夬Ȥʤäե륪Фä硢ԵϥΡɤΥǡȽǤޤåľΥåץǡƤȿǤʤǽޤ |
B | Ʊ(ȾƱ)ץꥱץȥ롣ץ饤ޥΡɤǤΥǥؤνߤϡΥǥ˽ǥץꥱѥåȤ¾ϤǡλȽǤޤ̾ƥ९åʤɤζŪʥե륪ФǤΥǡʶϵޤξΡɤƱŸ㳲ꡢץ饤ޥΡɤΥȥ졼Բǽʾ㳲ȡץ饤ޥ¦ˤΤ߽ޤ줿ǡǽޤ |
C | Ʊץꥱץȥ롣ץ饤ޥΡɤǤΥǥؤνߤϡξΡɤΥǥؤνߤäǴλȽǤޤΤᡢɤ餫ΥΡɤǥǡäƤ⡢ΤȤƤΥǡʶˤľ뤷ޤʤ顢ΥץȥѤǤäƤ⡢ξΡɤޤϤΥȥ졼֥ƥǤʤ㳲Ʊ˵ȡǡϼޤ |
- after-sb-0pri
disconnect | ưϼ¹Ԥsplit-brain ϥɥ饹ץ(ꤵƤ)ƤӽФͥǤǥ⡼ɤ³ԡ |
discard-younger-primary | Ǹ˥ץ饤ޥäۥȤ˲ä줿ѹƤ˴ƥХå |
discard-least-changes | ѹʤäۤΥۥȤѹƤ˴ƥХå |
discard-zero-changes | ѹʤäۥȤϡ¾˲ä줿٤ƤѹƤŬѤ³ԡ |
- after-sb-1pri
disconnect | ưϼ¹Ԥsplit-brain ϥɥ饹ץ(ꤵƤ)ƤӽФͥǤǥ⡼ɤ³ԡ |
consensus | after-sb-0priǻꤷΤƱݥꥷŬѡ |
call-pri-lost-after-sb | after-sb-0priǻꤷݥꥷŬѡ |
discard-secondary | 饹ΡɤŪ˺ |
- after-sb-2pri
disconnect | ưϼ¹Ԥsplit-brain ϥɥ饹ץ(ꤵƤ)ƤӽФͥǤǥ⡼ɤ³ԡ |
call-pri-lost-after-sb | after-sb-0priǻꤷݥꥷŬѡ |
syncer †
rate | DRBDΥǡƱǻѤӰξͤꡣեޥ˥奢Ǥñ̤Byte/secȵܤƤ뤬¬ȤƤbit/secǤͤ˸롣 |
after | ͥ褷Ʊλ |
verify-alg | ǥƤ饤ڤ뤿Υϥå奢르ꥺꡣmd5sha1crc32cѲǽ |
resource †
resource [n] | ̾ |
protocol | netprotocol |
on [HSOTNAME] | 饹ΥСȤʤۥȤ |
device | DRBDǻȤǥХ̾(DRBD륹ڥե̾¸Υե̾ȤνʣԲ) |
disk | DRBDѤȤƻѤѡƥλ |
address | Ʊ˻ѤIPɥ쥹ȥݡֹ档DRBDñΤǤʣηϩǤʤᡢĹԤˤ¾LinuxBondingDriverλѡ802.11adλѤʤɡˤȤʻѤɬס |
meta-disk | ǡѥѡƥλꡣinternalꤹƱоݤΥѡƥ˥ǡݴɤʰ侩 |
ꥵץ †