Solaris ZFS ?????????????????? (Solaris Express Developer Edition ????????????)

Solaris Express Developer Edition ????????????

Solaris ZFS ??????????????????

???????????? Solaris Express Developer Edition 9/07 ???????????? ZFS ???????????????

ZFS ?????????????????????????????? (zpool history)?????????????????? ZFS ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????zpool history ????????????????????????

?????????zpool history -i ??????????????? zpool ??????????????? zfs ???????????????

# zpool history -i users
History for 'users':
2007-04-26.12:44:02 zpool create users mirror c0t8d0 c0t9d0 c0t10d0
2007-04-26.12:46:13 zfs create users/home
2007-04-26.12:46:18 zfs create users/home/markm
2007-04-26.12:46:23 zfs create users/home/marks
2007-04-26.12:46:30 zfs create users/home/neil
2007-04-26.12:47:15 zfs snapshot -r users/home@yesterday
2007-04-26.12:54:50 zfs snapshot -r users/home@today
2007-04-26.13:29:13 zfs create users/snapshots

zpool history -l ????????????????????????????????????

# zpool history -l tank
History for 'tank':
2007-07-19.10:55:13 zpool create tank mirror c0t1d0 c0t11d0
[user root on neo:global]
2007-07-19.10:55:19 zfs create tank/cindys
[user root on neo:global]
2007-07-19.10:55:49 zfs allow cindys create,destroy,mount,snapshot tank/cindys
[user root on neo:global]
2007-07-19.10:56:24 zfs create tank/cindys/data
[user cindys on neo:global]

?????????????????????????????? zpool(1M)???

?????? ZFS ???????????? (zfs upgrade)???????????????????????????????????????????????? ZFS ??????????????????????????????????????????????????? zfs upgrade ?????????ZFS ????????????????????????????????????????????????????????????????????????????????????

?????????

# zfs upgrade
This system is currently running ZFS filesystem version 2.

The following filesystems are out of date, and can be upgraded.  After being
upgraded, these filesystems (and any 'zfs send' streams generated from
subsequent snapshots) will no longer be accessible by older software versions.

VER  FILESYSTEM
---  ------------
  1   datab
  1   datab/users
  1   datab/users/area51

????????????????????????????????????????????? ZFS ???????????????????????????

ZFS ????????????????????????????????????????????????????????? ZFS ????????????????????????????????????????????????????????????????????? zfs allow ??? zfs unallow ?????????????????????????????????

??????????????????????????????????????????????????? cindys ????????? tank/cindys ????????????????????????????????????????????????????????? tank/cindys ????????????

# zfs allow cindys create,destroy,mount,snapshot tank/cindys
# zfs allow tank/cindys
       -------------------------------------------------------------
         Local+Descendent permissions on (tank/cindys)
                 user cindys create,destroy,mount,snapshot
       -------------------------------------------------------------

?????? tank/cindys ?????????????????????????????? 755??????????????? cindys ????????? tank/cindys ??????????????????????????????????????????????????? ACL ?????????????????????????????????

# chmod A+user:cindys:add_subdirectory:allow /tank/cindys

????????????????????? delegation ?????????????????? ZFS ?????????????????????????????????

# zpool get delegation users
NAME  PROPERTY    VALUE       SOURCE
users  delegation  on          default
# zpool set delegation=off users
# zpool get delegation users
NAME  PROPERTY    VALUE       SOURCE
users  delegation  off         local

??????????????????delegation ???????????????????????????

?????????????????????????????????ZFS Administration Guide???????????? 8 ???“ZFS Delegated Administration”???

??????????????? ZFS ????????????????????????????????????????????? POSIX ?????????????????? ZFS ???????????? (ZFS intent log, ZIL)????????????????????????????????????????????????????????????????????????????????????????????????????????????NFS ???????????????????????????????????? fsync() ????????????????????????????????????????????????ZIL ??????????????????????????????????????????????????????????????? ZFS ?????????????????????????????????????????????????????? NVRAM ???????????????????????????????????????????????????

ZFS ????????????????????????????????????????????????????????????

?????????????????????????????????????????? ZFS ?????????????????????
- ?????? ZFS ?????????????????????????????????
- ?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
????????????????????????????????????????????????ZFS Administration Guide????????? “Creating a ZFS Storage Pool with Log Devices”??????ZFS Administration Guide?????????“Adding Devices to a Storage Pool”???

????????????????????????????????????????????? ZFS ??????????????????????????????????????????ZFS Administration Guide?????????“Setting Up Separate ZFS Logging Devices”???

???????????? ZFS ?????????????????????????????????????????????????????? zfs create???zfs clone ??? zfs rename ??????????????? -p ???????????????????????????????????????????????????

???????????? datab ?????????????????? ZFS ????????? (users/area51)???

# zfs list
NAME                        USED  AVAIL  REFER  MOUNTPOINT
datab                       106K  16.5G    18K  /datab
# zfs create -p -o compression=on datab/users/area51

?????????????????????????????????????????????????????????????????????????????????

??????????????????????????????????????????????????????????????????????????????

# zfs get mountpoint,compression datab/users/area51
NAME                PROPERTY     VALUE                SOURCE
datab/users/area51  mountpoint   /datab/users/area51  default
datab/users/area51  compression  on                   local

??????????????????????????????????????????????????????????????????????????????????????????????????????????????????

# zfs get mountpoint,compression datab/users
NAME         PROPERTY     VALUE         SOURCE
datab/users  mountpoint   /datab/users  default
datab/users  compression  off           default

?????????????????????????????? zfs(1M)???

ZFS ????????????????????????????????????????????????ZFS ???????????????????????????????????????????????????ZFS ?????????????????????????????????????????????????????????????????????????????????
- ???????????????????????????????????????????????????????????? zpool replace ?????????
  
  autoreplace ???????????????????????????????????????????????????????????? off?????????????????????????????? zpool replace ??????????????????????????????????????????????????? on????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????autoreplace ????????????????????? off???
- ??????????????????????????????????????????????????????????????????????????????????????????????????????????????? REMOVED????????????????????????????????????????????????????????????
- ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
- ??????????????????????????????????????????????????????????????????????????????????????????????????????
- ?????????????????????????????????????????????????????????????????????????????????
?????????????????????????????? zpool(1M)???

???????????? ZFS ??????????????????????????????????????????????????????ZFS Administration Guide??????