写了一个代替FreeBSD10.1系统自动zfs分区的脚本...

bleakwind

参考FreeBSD10.1的自动zfs分区日志整的,我是搞PHP的,对shell做脚本一窍不通,拼拼凑凑三四天啊,终于测试通过.
水平有限,有问题的地方,看到一定要告诉我,随时修复.

btw: 请无视变量命名方式...


FreeBSD每个版本都不断改进,越来越好用.bsdconfig虽说不好用也在大家口水中成长,FreeBSD10.1的分区菜单出现了ZFS自动分区.不过使用后发现如下问题:
1. gpart没有加 -a 4k 参数,导致没有强制4k对齐,所以还是从34扇区开始分freebsd-boot,没有从40扇区开始.但是zfs的pool倒是用gnop来实现了4k读取.
2. zfs分区不能自己定义分区,都得按照系统那一套来,如果你跟我一样有把/home单独分这种强迫症,那就要装好系统再修改.
3. 而如果用命令一条一条敲,特别在机房的时候,那么小的推车,对着老旧显示器,还有好烂的键盘,会出现敲错字符或者设备名字.

综合上述,所以倒腾出如下脚本.可以在装系统的时候配置好网络在git上下载使用:
https://github.com/bleakwind/freebsd/blob/master/zfs_disk.sh

使用方法脚本中有,下面详细说明下(此脚本仅针对FreeBSD10.1,仅对部分参数数值进行了判断和自动取值,部分失败情况没有判断,请自行查询同目录下zfs_disk.sh.log日志文件):
- 当安装光盘选择分区方式的时候 [Partitioning] 选择 [Shell] 方式然后配置网络:

# ifconfig "em0" inet "192.168.8.201" netmask "255.255.255.0"
# route add default "192.168.8.1"
# echo "nameserver 202.96.134.133" >> /etc/resolv.conf
# echo "nameserver 8.8.8.8" >> /etc/resolv.conf

- 切换到 /tmp/ 目录下载脚本文件(此处如果不能在安装环境下fetch,请提前下载放在你能fetch的地方):

# cd /tmp/
# fetch https://raw.githubusercontent.com/bleakwind/freebsd/master/zfs_disk.sh && chmod +x zfs_disk.sh
    地址: https://github.com/bleakwind/freebsd/blob/master/zfs_disk.sh

- 然后开始分区工作:

命令格式:
usage: ${THIS_FILE} command args ...
where 'command' is one of the following:

    <init> <poolname>
    <gpart> <device> <label> [size_boot] [size_swap] [size_zfs]
    <pool> <poolname> <"poolcommand">
    <zfs> <poolname> <auto>
    <finish> <poolname> <"noplist">
    <info> [device]
    <help>

举例说明:
zroot是poolname,根据需要进行修改.

步骤 1: 初始化
# ./zfs_disk.sh -i zroot

步骤 2: -o显示磁盘信息,-g对每个盘顺序开始gpart,后三个参数可从后向前省略,[size_zfs]省略用所有剩余空间,[size_swap]省略用内存大小,[size_boot]省略用512k.
# ./zfs_disk.sh -o
# ./zfs_disk.sh -g da0 0 512k 4g 120g
      或 # ./zfs_disk.sh -g da0 0
# ./zfs_disk.sh -g da1 1 512k 4g 120g
# ./zfs_disk.sh -g da2 2 512k 4g 120g
# ./zfs_disk.sh -g da3 3 512k 4g 120g

步骤 3: 根据需要设定自己的raid方式
# ./zfs_disk.sh -p zroot "raidz2 da0p3.nop da1p3.nop da2p3.nop da3p3.nop"
      或: # ./zfs_disk.sh -p zroot "mirror da0p3.nop da1p3.nop mirror da2p3.nop da3p3.nop"

步骤 4: 可以一个一个自己设定,也可以先用auto自动,再设定自己单独的分区,此处可用-o copies=2等参数
# ./zfs_disk.sh -z zroot auto
# ./zfs_disk.sh -z zroot "-o mountpoint=/pub zroot/pub"
# ./zfs_disk.sh -z zroot "-o mountpoint=/db -o recordsize=8K zroot/db"

步骤 5: 注意引号,前面会给出nop信息,这里要传入nop
# ./zfs_disk.sh -f zroot "da0p3.nop da1p3.nop da2p3.nop da3p3.nop"

步骤 6: 删除shell脚本和日志,exit后安装程序会自动进行余下工作
# rm zfs_disk.sh zfs_disk.sh.log
# exit

其他命令: -o显示磁盘信息,-h显示命令帮助信息
# ./zfs_disk.sh -o
      或: # ./zfs_disk.sh -o da0
# ./zfs_disk.sh -h

1. #!/bin/sh
   
2. #
   
3. # $FreeBSD10.1: zfs_disk.sh,v 1.0 2015/06/20 04:20:51 Bleakwind (at) www .weaverdream.com Exp $
   
4. #
   
5. # - First when [Partitioning] select [Shell] and configure network:
   
6. #
   
7. # # ifconfig "em0" inet "192.168.8.201" netmask "255.255.255.0"
   
8. # # route add default "192.168.8.1"
   
9. # # echo "nameserver 202.96.134.133" >> /etc/resolv.conf
   
10. # # echo "nameserver 8.8.8.8" >> /etc/resolv.conf
    
11. #
    
12. # - Second fetch the shell file:
    
13. #
    
14. # # cd /tmp/
    
15. # # fetch https ://raw.githubusercontent.com/bleakwind/freebsd/master/zfs_disk.sh && chmod +x zfs_disk.sh
    
16. # #     at: https ://github.com/bleakwind/freebsd/blob/master/zfs_disk.sh
    
17. #
    
18. # - Third allocating disk space:
    
19. #
    
20. # step 1
    
21. # # ./zfs_disk.sh -i zroot
    
22. #
    
23. # step 2
    
24. # # ./zfs_disk.sh -o
    
25. # # ./zfs_disk.sh -g da0 0 512k 4g 120g
    
26. #       or # ./zfs_disk.sh -g da0 0
    
27. # # ./zfs_disk.sh -g da1 1 512k 4g 120g
    
28. # # ./zfs_disk.sh -g da2 2 512k 4g 120g
    
29. # # ./zfs_disk.sh -g da3 3 512k 4g 120g
    
30. #
    
31. # step 3
    
32. # # ./zfs_disk.sh -p zroot "raidz2 da0p3.nop da1p3.nop da2p3.nop da3p3.nop"
    
33. #       or: # ./zfs_disk.sh -p zroot "mirror da0p3.nop da1p3.nop mirror da2p3.nop da3p3.nop"
    
34. #
    
35. # step 4
    
36. # # ./zfs_disk.sh -z zroot auto
    
37. # # ./zfs_disk.sh -z zroot "-o mountpoint=/pub zroot/pub"
    
38. # # ./zfs_disk.sh -z zroot "-o mountpoint=/db -o recordsize=8K zroot/db"
    
39. # #     option: -o copies=2
    
40. #
    
41. # step 5
    
42. # # ./zfs_disk.sh -f zroot "da0p3.nop da1p3.nop da2p3.nop da3p3.nop"
    
43. #
    
44. # step 6
    
45. # # rm zfs_disk.sh zfs_disk.sh.log
    
46. # # exit
    
47. #
    
48. # other
    
49. # # ./zfs_disk.sh -o
    
50. #       or: # ./zfs_disk.sh -o da0
    
51. # # ./zfs_disk.sh -h
    
52. #
    
53. 
    
54. THIS_FILE=$0
    
55. THIS_OPE=$1
    
56. FSTAB_FMT="%s\t\t%s\t%s\t%s\t\t%s\t%s\n"
    
57. HELP_INFO="usage: ${THIS_FILE} command args ...
    
58. where 'command' is one of the following:
    
59. 
    
60.     <init|-i> <poolname>
    
61.     <gpart|-g> <device> <label> [size_boot] [size_swap] [size_zfs]
    
62.     <pool|-p> <poolname> <"poolcommand">
    
63.     <zfs|-z> <poolname> <auto|"zfscommand">
    
64.     <finish|-f> <poolname> <"noplist">
    
65.     <info|-o> [device]
    
66.     <help|-h>"
    
67. 
    
68. if [ $# -le 0 ]; then
    
69.     echo "missing command"
    
70.     echo -e "${HELP_INFO}"
    
71.     exit 1
    
72. fi
    
73. 
    
74. if [ ! -f "${THIS_FILE}.log" ]; then
    
75.     echo -e "Log for ${THIS_FILE}: `date +%Y%m%d%H%M%S`" > ${THIS_FILE}.log
    
76. else
    
77.     echo -e "\nLog for ${THIS_FILE}: `date +%Y%m%d%H%M%S`" >> ${THIS_FILE}.log
    
78. fi
    
79. echo "\${THIS_FILE} > ${THIS_FILE}" >> ${THIS_FILE}.log
    
80. echo "\${THIS_OPE} > ${THIS_OPE}" >> ${THIS_FILE}.log
    
81. 
    
82. # begin
    
83. case "${THIS_OPE}" in
    
84.     # init: # ./zfs_disk.sh -i zroot
    
85.     init|-i)
    
86.         THIS_POOLNAME=$2
    
87. 
    
88.         if [ -z "${THIS_POOLNAME}" ]; then
    
89.             echo "missing argument"
    
90.             echo -e "${HELP_INFO}"
    
91.             exit 1
    
92.         fi
    
93.         echo "Begin init:" >> ${THIS_FILE}.log
    
94.         echo "\${THIS_POOLNAME} > ${THIS_POOLNAME}" >> ${THIS_FILE}.log
    
95. 
    
96.         zpool destroy "${THIS_POOLNAME}" >> ${THIS_FILE}.log 2>&1
    
97. 
    
98.         printf "" > "/tmp/bsdinstall_etc/fstab"
    
99.         printf "$FSTAB_FMT" "# Device" "Mountpoint" "FStype" "Options" "Dump" "Pass#" >> "/tmp/bsdinstall_etc/fstab"
    
100. 
     
101.         echo "End init---" >> ${THIS_FILE}.log
     
102.         echo "init successful..."
     
103.         ;;
     
104. 
     
105.     # gpart: # ./zfs_disk.sh -g da0 0 512k 4g 120g
     
106.     #    or: # ./zfs_disk.sh -g da0 0
     
107.     gpart|-g)
     
108.         THIS_DEVICE=$2
     
109.         THIS_LABEL=$3
     
110.         THIS_SIZE_BOOT=$4
     
111.         THIS_SIZE_SWAP=$5
     
112.         THIS_SIZE_ZFS=$6
     
113. 
     
114.         if [ -z "${THIS_DEVICE}" ] || [ -z "${THIS_LABEL}" ]; then
     
115.             echo "missing argument"
     
116.             echo -e "${HELP_INFO}"
     
117.             exit 1
     
118.         fi
     
119.         echo "Begin gpart---" >> ${THIS_FILE}.log
     
120. 
     
121.         if [ -z "${THIS_SIZE_BOOT}" ]; then
     
122.             THIS_SIZE_BOOT="512k"
     
123.         fi
     
124.         if [ -z "${THIS_SIZE_SWAP}" ]; then
     
125.             THIS_SIZE_SWAP=`sysctl hw.physmem | sed -e 's/.*hw\.physmem: \([0-9]*\).*/\1/g'`
     
126.             THIS_SIZE_SWAP=`echo "scale=2; ${THIS_SIZE_SWAP}/1024/1024/1024" | bc`
     
127.             THIS_SIZE_SWAP="`printf "%.0f" ${THIS_SIZE_SWAP}`g"
     
128.         fi
     
129. 
     
130.         echo "\${THIS_DEVICE} > ${THIS_DEVICE}" >> ${THIS_FILE}.log
     
131.         echo "\${THIS_LABEL} > ${THIS_LABEL}" >> ${THIS_FILE}.log
     
132.         echo "\${THIS_SIZE_BOOT} > ${THIS_SIZE_BOOT}" >> ${THIS_FILE}.log
     
133.         echo "\${THIS_SIZE_SWAP} > ${THIS_SIZE_SWAP}" >> ${THIS_FILE}.log
     
134.         echo "\${THIS_SIZE_ZFS} > ${THIS_SIZE_ZFS}" >> ${THIS_FILE}.log
     
135. 
     
136.         gpart destroy -F "${THIS_DEVICE}" >> ${THIS_FILE}.log 2>&1
     
137.         graid delete "${THIS_DEVICE}" >> ${THIS_FILE}.log 2>&1
     
138.         zpool labelclear -f "/dev/${THIS_DEVICE}" >> ${THIS_FILE}.log 2>&1
     
139.         gpart create -s gpt "${THIS_DEVICE}" >> ${THIS_FILE}.log 2>&1
     
140.         gpart destroy -F "${THIS_DEVICE}" >> ${THIS_FILE}.log 2>&1
     
141.         gpart create -s gpt "${THIS_DEVICE}" >> ${THIS_FILE}.log 2>&1
     
142. 
     
143.         THIS_BOOT=`gpart add -a 4k -l gptboot${THIS_LABEL} -t freebsd-boot -s ${THIS_SIZE_BOOT} "${THIS_DEVICE}"`
     
144.         THIS_BOOT_NAME=`echo ${THIS_BOOT} | sed -e 's/\([a-zA-Z0-9]*\) added/\1/g'`
     
145.         echo "\${THIS_BOOT} > ${THIS_BOOT}" >> ${THIS_FILE}.log 2>&1
     
146.         gpart bootcode -b "/boot/pmbr" -p "/boot/gptzfsboot" -i 1 "${THIS_DEVICE}" >> ${THIS_FILE}.log 2>&1
     
147. 
     
148.         THIS_SWAP=`gpart add -a 4k -l swap${THIS_LABEL} -t freebsd-swap -s ${THIS_SIZE_SWAP} "${THIS_DEVICE}"`
     
149.         THIS_SWAP_NAME=`echo ${THIS_SWAP} | sed -e 's/\([a-zA-Z0-9]*\) added/\1/g'`
     
150.         echo "\${THIS_SWAP} > ${THIS_SWAP}" >> ${THIS_FILE}.log 2>&1
     
151.         zpool labelclear -f "/dev/${THIS_SWAP_NAME}" >> ${THIS_FILE}.log 2>&1
     
152. 
     
153.         if [ -z "${THIS_SIZE_ZFS}" ]; then
     
154.             THIS_ZFS=`gpart add -a 4k -l zfs${THIS_LABEL} -t freebsd-zfs "${THIS_DEVICE}"`
     
155.         else
     
156.             THIS_ZFS=`gpart add -a 4k -l zfs${THIS_LABEL} -t freebsd-zfs -s ${THIS_SIZE_ZFS} "${THIS_DEVICE}"`
     
157.         fi
     
158.         THIS_ZFS_NAME=`echo ${THIS_ZFS} | sed -e 's/\([a-zA-Z0-9]*\) added/\1/g'`
     
159.         echo "\${THIS_ZFS} > ${THIS_ZFS}" >> ${THIS_FILE}.log 2>&1
     
160.         zpool labelclear -f "/dev/${THIS_ZFS_NAME}" >> ${THIS_FILE}.log 2>&1
     
161. 
     
162.         printf "${FSTAB_FMT}" "/dev/${THIS_SWAP_NAME}" "none" "swap" "sw" "0" "0" >> "/tmp/bsdinstall_etc/fstab"
     
163.         gnop create -S 4096 "${THIS_ZFS_NAME}" >> ${THIS_FILE}.log 2>&1
     
164. 
     
165.         echo "remenber this => freebsd-boot:${THIS_BOOT_NAME}"
     
166.         echo "                 freebsd-swap:${THIS_SWAP_NAME}"
     
167.         echo "                 freebsd-zfs :${THIS_ZFS_NAME}"
     
168. 
     
169.         echo "End gpart---" >> ${THIS_FILE}.log
     
170.         echo "create partition successful..."
     
171.         ;;
     
172. 
     
173.     # pool: # ./zfs_disk.sh -p zroot "raidz2 da0p3.nop da1p3.nop da2p3.nop da3p3.nop"
     
174.     #   or: # ./zfs_disk.sh -p zroot "mirror da0p3.nop da1p3.nop mirror da2p3.nop da3p3.nop"
     
175.     pool|-p)
     
176.         THIS_POOLNAME=$2
     
177.         THIS_POOLCOMMAND=$3
     
178. 
     
179.         if [ -z "${THIS_POOLNAME}" ] || [ -z "${THIS_POOLCOMMAND}" ]; then
     
180.             echo "missing argument"
     
181.             echo -e "${HELP_INFO}"
     
182.             exit 1
     
183.         fi
     
184.         echo "Begin pool---" >> ${THIS_FILE}.log
     
185.         echo "\${THIS_POOLNAME} > ${THIS_POOLNAME}" >> ${THIS_FILE}.log
     
186.         echo "\${THIS_POOLCOMMAND} > ${THIS_POOLCOMMAND}" >> ${THIS_FILE}.log
     
187.         echo "zpool create -o altroot=/mnt -O compress=lz4 -O atime=off -m none -f "${THIS_POOLNAME}" ${THIS_POOLCOMMAND}" >> ${THIS_FILE}.log
     
188. 
     
189.         zpool create -o altroot=/mnt -O compress=lz4 -O atime=off -m none -f "${THIS_POOLNAME}" ${THIS_POOLCOMMAND} >> ${THIS_FILE}.log 2>&1
     
190.         zfs create -o mountpoint=none "${THIS_POOLNAME}/ROOT" >> ${THIS_FILE}.log 2>&1
     
191.         zfs create -o mountpoint=/ "${THIS_POOLNAME}/ROOT/default" >> ${THIS_FILE}.log 2>&1
     
192. 
     
193.         echo "End pool---" >> ${THIS_FILE}.log
     
194.         echo "create pool successful..."
     
195. 
     
196.         ;;
     
197. 
     
198.     # zfs: # ./zfs_disk.sh -z zroot auto
     
199.     #      # ./zfs_disk.sh -z zroot "-o mountpoint=/pub zroot/pub"
     
200.     #      # ./zfs_disk.sh -z zroot "-o mountpoint=/db -o recordsize=8K zroot/db"
     
201.     zfs|-z)
     
202.         THIS_POOLNAME=$2
     
203.         THIS_ZFSCOMMAND=$3
     
204. 
     
205.         if [ -z "${THIS_POOLNAME}" ] || [ -z "${THIS_ZFSCOMMAND}" ]; then
     
206.             echo "missing argument"
     
207.             echo -e "${HELP_INFO}"
     
208.             exit 1
     
209.         fi
     
210.         echo "Begin zfs---" >> ${THIS_FILE}.log
     
211.         echo "\${THIS_POOLNAME} > ${THIS_POOLNAME}" >> ${THIS_FILE}.log
     
212.         echo "\${THIS_ZFSCOMMAND} > ${THIS_ZFSCOMMAND}" >> ${THIS_FILE}.log
     
213. 
     
214.         if [ "${THIS_ZFSCOMMAND}" = "auto" ]; then
     
215.             zfs create -o mountpoint=/tmp -o exec=on -o setuid=off "${THIS_POOLNAME}/tmp" >> ${THIS_FILE}.log 2>&1
     
216. 
     
217.             zfs create -o mountpoint=/usr -o canmount=off "${THIS_POOLNAME}/usr" >> ${THIS_FILE}.log 2>&1
     
218.             zfs create -o setuid=off "${THIS_POOLNAME}/usr/ports" >> ${THIS_FILE}.log 2>&1
     
219.             zfs create  "${THIS_POOLNAME}/usr/src" >> ${THIS_FILE}.log 2>&1
     
220. 
     
221.             zfs create -o mountpoint=/var -o canmount=off "${THIS_POOLNAME}/var" >> ${THIS_FILE}.log 2>&1
     
222.             zfs create -o exec=off -o setuid=off "${THIS_POOLNAME}/var/crash" >> ${THIS_FILE}.log 2>&1
     
223.             zfs create -o exec=off -o setuid=off "${THIS_POOLNAME}/var/log" >> ${THIS_FILE}.log 2>&1
     
224.             zfs create -o atime=on "${THIS_POOLNAME}/var/mail" >> ${THIS_FILE}.log 2>&1
     
225.             zfs create -o setuid=off "${THIS_POOLNAME}/var/tmp" >> ${THIS_FILE}.log 2>&1
     
226. 
     
227.             zfs create -o mountpoint=/home "${THIS_POOLNAME}/home" >> ${THIS_FILE}.log 2>&1
     
228.         else
     
229.             zfs create ${THIS_ZFSCOMMAND} >> ${THIS_FILE}.log 2>&1
     
230.         fi
     
231. 
     
232.         echo "End zfs---" >> ${THIS_FILE}.log
     
233.         echo "create dataset successful..."
     
234. 
     
235.         ;;
     
236. 
     
237.     # finish: # ./zfs_disk.sh -f zroot "da0p3.nop da1p3.nop da2p3.nop da3p3.nop"
     
238.     finish|-f)
     
239.         THIS_POOLNAME=$2
     
240.         THIS_NOPLIST=$3
     
241. 
     
242.         if [ -z "${THIS_POOLNAME}" ] || [ -z "${THIS_NOPLIST}" ]; then
     
243.             echo "missing argument"
     
244.             echo -e "${HELP_INFO}"
     
245.             exit 1
     
246.         fi
     
247.         echo "Begin finish---" >> ${THIS_FILE}.log
     
248.         echo "\${THIS_POOLNAME} > ${THIS_POOLNAME}" >> ${THIS_FILE}.log
     
249.         echo "\${THIS_NOPLIST} > ${THIS_NOPLIST}" >> ${THIS_FILE}.log
     
250. 
     
251.         chmod 1777 "/tmp" >> ${THIS_FILE}.log 2>&1
     
252.         chmod 1777 "/var/tmp" >> ${THIS_FILE}.log 2>&1
     
253. 
     
254.         zpool set bootfs="${THIS_POOLNAME}/ROOT/default" "${THIS_POOLNAME}" >> ${THIS_FILE}.log 2>&1
     
255.         zpool export "${THIS_POOLNAME}" >> ${THIS_FILE}.log 2>&1
     
256.         gnop destroy ${THIS_NOPLIST} >> ${THIS_FILE}.log 2>&1
     
257.         zpool import -o altroot="/mnt" "${THIS_POOLNAME}" >> ${THIS_FILE}.log 2>&1
     
258. 
     
259.         mkdir -p "/mnt/boot/zfs" >> ${THIS_FILE}.log 2>&1
     
260.         zpool set cachefile="/mnt/boot/zfs/zpool.cache" "${THIS_POOLNAME}" >> ${THIS_FILE}.log 2>&1
     
261.         echo "zfs_enable=\"YES\"" >> "/tmp/bsdinstall_etc/rc.conf.zfs"
     
262.         echo "zfs_load=\"YES\"" >> "/tmp/bsdinstall_boot/loader.conf.zfs"
     
263.         echo "kern.geom.label.gptid.enable=\"0\"" >> "/tmp/bsdinstall_boot/loader.conf.zfs"
     
264. 
     
265.         echo "End finish---" >> ${THIS_FILE}.log
     
266.         echo "finish successful..."
     
267. 
     
268.         ;;
     
269. 
     
270.     # help: # ./zfs_disk.sh -h
     
271.     help|-h)
     
272.         echo -e "${HELP_INFO}"
     
273.         exit 0
     
274.         ;;
     
275. 
     
276.     # info: # ./zfs_disk.sh -o
     
277.     #   or: # ./zfs_disk.sh -o da0
     
278.     info|-o)
     
279.         THIS_DEVICE=$2
     
280. 
     
281.         echo "Begin info---" >> ${THIS_FILE}.log
     
282.         echo "\${THIS_DEVICE} > ${THIS_DEVICE}" >> ${THIS_FILE}.log
     
283. 
     
284.         if [ -z "${THIS_DEVICE}" ]; then
     
285.             gpart show
     
286.         else
     
287.             gpart show "${THIS_DEVICE}"
     
288.         fi
     
289. 
     
290.         echo "End info---" >> ${THIS_FILE}.log
     
291.         echo "show disk info successful..."
     
292. 
     
293.         ;;
     
294. 
     
295.     # error
     
296.     *)
     
297.         echo "unrecognized command '${THIS_OPE}'"
     
298.         echo -e "${HELP_INFO}"
     
299.         exit 1
     
300.         ;;
     
301. esac

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bleakwind

lsstarboy 发表于 2015-07-02 10:19
可以把磁盘也到shell的循环里面，官方的安装脚本里在就是对选中的磁盘进行循环。

主要是想给更多自定义,代替打过多命令,还有为了加上系统gpart没加的-a 4k,和自定义分区.
比如我习惯最后空出1g空间,作为磁盘容量不同的机动调整,还有swap也给予自定义.

rtm009

回复 5# lsstarboy


    鸟语不好的说 装过不会用 也不会调 仅仅是装上了

lsstarboy

可以把磁盘也到shell的循环里面，官方的安装脚本里在就是对选中的磁盘进行循环。

lsstarboy

回复 4# rtm009

性能下降是从哪地方得来的消息？应该是指的Linux吧，FreeBSD花了很大精力才移植过来的，几十万行代码呢。

单盘zfs也是有意义的，电力不好的时候可以避免磁盘fsck，也可以避免数据库不能启动。
   

rtm009

不是说zfs在非sun系统下性能下降很大吗？zfs最好用2块hdd 单盘没啥意思！

james90404

我还在思考...

蛮多肉

先顶了再看