Tokyo OpenSolaris Study Group 2011.05 【日時／場所】 日時: 2011/5/28 (Sat) 13:00 開場 ～ 13:30 開始 ～ 16:30 終了 場所: 日本オラクル 青山オフィス１３F会議室 【内容】 OpenSolaris に関するテーマをみんなで勉強していきましょう。という集まりです。テーマについてスピーカーが話をしますが、参加メンバーも情報を出し合ってワイワイと進めていきます。 アジェンダ 13:30 - 14:00 自己紹介等 14:00 - 14:20 ZFSおさらい (hiroaさん) 14:20 - 15:00 自宅ZFS自慢：前半 (s-miyazaさん、hasegawさん) 15:00 - 15:10 休憩 15:10 - 15:50 自宅ZFS自慢：後半（nslope、shoyoさん） 15:50 - 16:00 休憩 16:00 - 16:30 今更聞けない質問大会続き

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11. name = "vm230"
maxmem = 2048
memory = 2048
vcpus = 2
(snip)
localtime = 0
disk = [
"tap:aio:/dev/pool0/vm230_xvda,xvda,w",
#failed
#“tap:aio:/dev/disk/by-id/scsi-SATA_ST31000340NS_9QJ37 -part1,xvdb,w",
“tap:aio:/dev/disk/by-id/scsi-SATA_ST31000340NS_9QJ37 -part1,xvdc,w",
“tap:aio:/dev/disk/by-id/scsi-SATA_ST31000340NS_9QJ37 -part1,xvdd,w",
"tap:aio:/dev/disk/by-id/scsi-SATA_ST2000DL003-9VT_5YD13××,xvdf,w",
“tap:aio:/dev/disk/by-id/scsi-SATA_OCZ-VERTEX2_f0a200 -part1,xvde,w",
]
vif = [ "mac=00:16:36:04:e8:a7,bridge=xenbr0,script=vif-bridge" ]
serial = "pty"
bootloader="/usr/bin/pygrub"

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bootloader="/usr/bin/pygrub“
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kernel="/boot/os200811/unix"
ramdisk="/boot/os200811/boot_archive"
extra= '/platform/i86xpv/kernel/amd64/unix
–B zfs-bootfs=rpool/52,
bootpath="/xpvd/xdf@0:a"’

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--- Logical volume ---
LV Name /dev/pool0/vm230_xvda
VG Name pool0
LV UUID NnCJ9p-zUwc-B1C7-9MGE-
bxtl-DC0z-2QejaS
LV Write Access read/write
LV Status available
# open 3
LV Size 16.00 GB
Current LE 4096
Segments 1
• ( Linux )

14. root@vm230:~# zpool list
NAME SIZE ALLOC FREE CAP DEDUP HEALTH ALTROO
array1 2.72T 1.91T 831G 70% 1.26x DEGRADED -
( 2TB; 1TBx3)
backup1 1.81T 1.01T 817G 55% 1.01x ONLINE -
( 2TB; 2TBx1)
rpool 15.9G 5.09G 10.8G 32% 1.00x ONLINE -
Linux LVM

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Disk /dev/disk/by-id/scsi-SATA_ST31000340NS_9QJ37XXX: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders
Units = of 16065 * 512 = 8225280 bytes
Boot Start End Blocks Id System
ST31000340NS_9QJ37XXX1 * 1 121601 976760001 fd Linux raid

18. root@os200811:~# zpool status array1
pool: array1
state: DEGRADED
status: One or more devices are faulted in response to persist
Sufficient replicas exist for the pool to continue functioning
degraded state.
action: Replace the faulted device, or use 'zpool clear' to ma
repaired.
see: http://www.sun.com/msg/ZFS-8000-K4
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
array1 DEGRADED 0 0 0
raidz1 DEGRADED 0 0 0
c3d1p1 ONLINE 0 0 0
c3d2p1 FAULTED 8 7.56M 0 too many errors
c3d3p1 ONLINE 0 0 0

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o HDD
SATA – HDD
• Dom0
o Kernel
Sep 1 20:31:23 dom0 kernel: ata11: exception Emask 0x10
SAct 0x0 Serr 0x80000 action 0xe frozen
• OpenSolaris domU
o blktap VBD ?
o RAID-Z 1 degraded

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o (OpenSolaris 2009.06)
o ZFS
o ON
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21. toor@vm230:~$ pfexec zpool status array1
pool: array1
state: ONLINE
status: The pool is formatted using an older on-disk format. The pool
still be used, but some features are unavailable.
action: Upgrade the pool using 'zpool upgrade'. Once this is done, th
pool will no longer be accessible on older software versions.
scrub: scrub completed after 3h40m with 0 errors on Fri Mar 12 01:20:
config:
NAME STATE READ WRITE CKSUM
array1 ONLINE 0 0 0
raidz1-0 ONLINE 0 0 0
c6t1d0p0 ONLINE 0 0 0
c6t2d0p0 ONLINE 0 0 0
c6t3d0p0 ONLINE 0 0 0
logs
c6t4d0p0 ONLINE 0 0 0
errors: No known data errors

22. root@vm230:~# zpool status array1
pool: array1
state: DEGRADED
status: One or more devices could not be opened. Sufficient replicas
the pool to continue functioning in a degraded state.
action: Attach the missing device and online it using 'zpool online'.
see: http://www.sun.com/msg/ZFS-8000-2Q
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
array1 DEGRADED 0 0 0
raidz1-0 DEGRADED 0 0 0
c6t1d0p0 UNAVAIL 0 0 0 cannot open
c6t2d0p0 ONLINE 0 0 0
c6t3d0p0 ONLINE 0 0 0
errors: No known data errors

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• ZFS
History
253 zfs snapshot -r array1@`date +%Y%m%d`
254 zfs set mountpoint=none backup1
255 zfs send array1/archives@`date +%Y%m%d` | zfs
recv backup1/archives`date +%Y%m%d`
273 zfs set mountpount=/export/backup array1/
backup

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