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估计数

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XCP NFS estimate 命令用于估计完成从源到目标的基线复制所需的时间。它会使用所有当前可用的系统资源(例如CPU、RAM、网络和其他参数)来计算完成基线复制的估计时间。您可以使用 -target 用于启动样本复制操作并获取估计时间的选项。

语法
xcp estimate -id <name>
显示示例 
[root@client-01 linux]# ./xcp estimate -t 100 -id estimate01 -target 10.101.10.10:/temp8

xcp: WARNING: your license will expire in less than 10 days! You can renew your license at https://xcp.netapp.com
Job ID: Job_2023-04-12_08.09.16.126908_estimate
Starting live test for 1m40s to estimate time to copy '10.101.10.10:/temp4' to
'10.101.10.10:/temp8'...
estimate regular file copy task completed before the 1m40s duration
0 in (0/s), 0 out (0/s), 5s
0 in (0/s), 0 out (0/s), 10s
Estimated time to copy '10.101.12.11:/temp4' to '10.101.12.10:/temp8' based on a 1m40s live test:
5.3s
Xcp command : xcp estimate -t 100 -id estimate01 -target 10.101.12.10:/temp8
Estimated Time : 5.3s
Job ID : Job_2023-04-12_08.09.16.126908_estimate
Log Path : /opt/NetApp/xFiles/xcp/xcplogs/Job_2023-04-12_08.09.16.126908_estimate.log
STATUS : PASSED
[root@client-01linux]#

下表列出了 estimate 参数及其问题描述。

参数 Description

<<nfs_estimate_id,估计-id

指定上一个副本或扫描索引的目录名称。

<<nfs_estimate_gbit,估计值-Gbit

使用千兆位带宽来估计最佳情形时间(默认值：1)。

<<nfs_estimate_target,估计-目标()；路径()；

指定用于实时测试副本的目标。

<<nfs_estimate_t,估计值-t ()；n/s/m/h]

指定实时测试副本的持续时间(默认值：5米)。

<<nfs_estimate_bs,估计值-BS [k]

指定读/写块大小(默认值：64K)。

<<nfs_estimate_dircount,估计值-dircount ()；n[k]

指定读取目录的请求大小(默认值：64K)。

估计值-保留时间

保留文件或目录的访问时间(默认值：false)。

<<nfs_estimate_loglevel,估计-日志级别()；名称和gt；

设置日志级别；可用级别为info、debug (默认值：info)

Estimate -id <name>

使用 -id <name> 参数 estimate 命令以排除与筛选器匹配的文件和目录。

语法
xcp estimate -id <name>
显示示例 
[root@client1 linux]# ./xcp estimate -id csdata01

xcp: WARNING: your license will expire in less than 11 days! You can renew your license at
https://xcp.netapp.com
xcp: WARNING: XCP catalog volume is low on disk space: 99.99% used, 62.0 MiB free space.
Job ID: Job_2023-04-20_12.59.31.260914_estimate
== Best-case estimate to copy ‘data-set:/user1given 1 gigabit of bandwidth ==
112 TiB of data at max 128 MiB/s: at least 10d13h
Xcp command : xcp estimate -id csdata01
Estimated Time : 10d13h
Job ID : Job_2023-04-20_12.59.31.260914_estimate
Log Path : /opt/NetApp/xFiles/xcp/xcplogs/Job_2023-04-20_12.59.31.260914_estimate.log
STATUS : PASSED
xcp: WARNING: XCP catalog volume is low on disk space: 99.99% used, 62.0 MiB free space.
[root@client1 linux]#

估计-Gbit <n>

使用 -gbit <n> 参数 estimate 用于估计最佳情形时间的命令(默认值：1)。此选项不能与结合使用 -target 选项

语法
xcp estimate -gbit <n> -id <name>
显示示例 
[root@client-01 linux]# ./xcp estimate -gbit 10 -id estimate01

xcp: WARNING: your license will expire in less than 10 days! You can renew your license at
https://xcp.netapp.com
Job ID: Job_2023-04-12_08.12.28.453735_estimate
== Best-case estimate to copy '10.101.12.11:/temp4' given 10 gigabits of bandwidth ==
0 of data at max 1.25 GiB/s: at least 0.0s
Xcp command : xcp estimate -gbit 10 -id estimate01
Estimated Time : 0.0s
Job ID : Job_2023-04-12_08.12.28.453735_estimate
Log Path : /opt/NetApp/xFiles/xcp/xcplogs/Job_2023-04-12_08.12.28.453735_estimate.log
STATUS : PASSED
[root@client-01linux]#

估计-目标<path>

使用 -target <path> 参数 estimate 用于指定用于实时测试副本的目标的命令。

语法
xcp estimate -t 100 -id <name> -target <path>
显示示例 
[root@client-01 linux]# ./xcp estimate -t 100 -id estimate01 -target 10.101.12.11:/temp8

xcp: WARNING: your license will expire in less than 10 days! You can renew your license at https://xcp.netapp.com
Job ID: Job_2023-04-12_08.09.16.126908_estimate
Starting live test for 1m40s to estimate time to copy '10.101.12.11:/temp4' to '10.101.12.11:/temp8'...
estimate regular file copy task completed before the 1m40s duration
Log Path : /opt/NetApp/xFiles/xcp/xcplogs/Job_2023-04-12_08.09.16.126908_estimate.log
STATUS : PASSED
[root@client-01linux]#

估计-t <n[s|m|h]>

使用 -t <n[s|m|h]> 参数 estimate 命令以指定实时测试副本的持续时间。默认值为5米。

语法
xcp estimate -t <n[s|m|h]> -id <name> -target <path>
显示示例 
[root@client-01 linux]# ./xcp estimate -t 100 -id estimate01 -target 10.101.12.12:/temp8

xcp: WARNING: your license will expire in less than 10 days! You can renew your license at
https://xcp.netapp.com
Job ID: Job_2023-04-12_08.09.16.126908_estimate
Starting live test for 1m40s to estimate time to copy '10.101.12.11:/temp4' to
'10.101.12.12:/temp8'...
estimate regular file copy task completed before the 1m40s duration
0 in (0/s), 0 out (0/s), 5s
0 in (0/s), 0 out (0/s), 10s
Estimated time to copy '10.101.12.11:/temp4' to '10.101.12.12:/temp8' based on a 1m40s live
test: 5.3s

Xcp command : xcp estimate -t 100 -id estimate01 -target 10.101.12.11:/temp8
Estimated Time : 5.3s
Job ID : Job_2023-04-12_08.09.16.126908_estimate
Log Path : /opt/NetApp/xFiles/xcp/xcplogs/Job_2023-04-12_08.09.16.126908_estimate.log
STATUS : PASSED
[root@client-01linux]#

估计值-BS <n[k]>

使用 -bs <n[k]> 参数 estimate 命令以指定读/写块大小。默认值为64k。

语法
xcp estimate -id <name> -bs <n[k]>
显示示例 
[root@client1 linux]# ./xcp estimate -id estimate01 -bs 128k

xcp: WARNING: your license will expire in less than 7 days! You can renew your license at
https://xcp.netapp.com
Job ID: Job_2023-04-24_08.44.12.564441_estimate
63.2 KiB in (12.5 KiB/s), 2.38 KiB out (484/s), 5s
== Best-case estimate to copy 'xxx' given 1 gigabit of bandwidth ==
112 TiB of data at max 128 MiB/s: at least 10d13h
Xcp command : xcp estimate -id estimate01 -bs 128k
Estimated Time : 10d13h
Job ID : Job_2023-04-24_08.44.12.564441_estimate
Log Path : /opt/NetApp/xFiles/xcp/xcplogs/Job_2023-04-24_08.44.12.564441_estimate.log
STATUS : PASSED
[root@client1 linux]#

Estimate -dircount <n[k]>

使用 -dircount <n[k]> 参数 estimate 命令以指定读取目录所需的大小。默认值为64k。

语法
xcp estimate -id <name> -dircount <n[k]> -t <n> -target <path>
显示示例 
[root@client1 linux]# ./xcp estimate -id csdata01 -dircount 128k -t 300 -target <path>

xcp: WARNING: your license will expire in less than 11 days! You can renew your license at
https://xcp.netapp.com
xcp: WARNING: XCP catalog volume is low on disk space: 99.99% used, 61.6 MiB free space.
Job ID: Job_2023-04-20_13.03.46.820673_estimate
Starting live test for 5m0s to estimate time to copy ‘data-set:/user1 to `<path>`...
1,909 scanned, 126 copied, 2 giants, 580 MiB in (115 MiB/s), 451 MiB out (89.5 MiB/s), 5s
1,909 scanned, 134 copied, 2 giants, 1.23 GiB in (136 MiB/s), 1015 MiB out (112 MiB/s), 10s
1,909 scanned, 143 copied, 2 giants, 1.88 GiB in (131 MiB/s), 1.54 GiB out (113 MiB/s), 15s
.
.
.
7,136 scanned, 2,140 copied, 4 linked, 8 giants, 33.6 GiB in (110 MiB/s), 32.4 GiB out (110
MiB/s), 4m57s
Sample test copy completed for, 300.03s
0 in (-7215675436.180/s), 0 out (-6951487617.036/s), 5m2s
2,186 scanned, 610 KiB in (121 KiB/s), 76.9 KiB out (15.3 KiB/s), 5m7s
Estimated time to copy ‘data-set:/user1to '10.01.12.11:/mapr11' based on a 5m0s live test:
7d6h
Xcp command : xcp estimate -id csdata01 -dircount 128k -t 300 -target 10.101.12.11:/mapr11
Estimated Time : 7d6h
Job ID : Job_2023-04-20_13.03.46.820673_estimate
Log Path : /opt/NetApp/xFiles/xcp/xcplogs/Job_2023-04-20_13.03.46.820673_estimate.log
STATUS : PASSED
xcp: WARNING: XCP catalog volume is low on disk space: 99.99% used, 61.6 MiB free space.
[root@client1 linux]#

估计-并行<n>

使用 -parallel <n> 参数 estimate 命令以指定并发批处理进程的最大数量。默认值为7。

语法
xcp estimate -loglevel <name> -parallel <n> -id <name>
显示示例 
[root@client1 linux]# ./xcp estimate -loglevel DEBUG -parallel 8 -id estimate1

xcp: WARNING: your license will expire in less than 11 days! You can renew your license at
https://xcp.netapp.com
Job ID: Job_2023-04-20_11.36.45.535209_estimate
== Best-case estimate to copy '10.10.101.10:/users009/xxx/mnt' given 1 gigabit of bandwidth ==
6.75 GiB of data at max 128 MiB/s: at least 54.0s
Xcp command : xcp estimate -loglevel DEBUG -parallel 8 -id estimate1
Estimated Time : 54.0s
Job ID : Job_2023-04-20_11.36.45.535209_estimate
Log Path : /opt/NetApp/xFiles/xcp/xcplogs/Job_2023-04-20_11.36.45.535209_estimate.log
STATUS : PASSED
[root@client1 linux]#

估计值-保留时间

使用 -preserve-atime 参数 estimate 命令以保留文件或目录的访问时间。默认值为 false 。

语法
xcp estimate -loglevel <name> -preserve-atime -id <name>
显示示例 
root@client1 linux]# ./xcp estimate -loglevel DEBUG -preserve-atime -id estimate1

xcp: WARNING: your license will expire in less than 11 days! You can renew your license at
https://xcp.netapp.com
Job ID: Job_2023-04-20_11.19.04.050516_estimate
== Best-case estimate to copy '10.10.101.10:/users009/xxx/mnt' given 1 gigabit of bandwidth
==
6.75 GiB of data at max 128 MiB/s: at least 54.0s
Xcp command : xcp estimate -loglevel DEBUG -preserve-atime -id estimate1
Estimated Time : 54.0s
Job ID : Job_2023-04-20_11.19.04.050516_estimate
Log Path : /opt/NetApp/xFiles/xcp/xcplogs/Job_2023-04-20_11.19.04.050516_estimate.log
STATUS : PASSED
[root@client1 linux]#

估计值-日志级别<name>

使用 -loglevel <name> 参数 estimate 用于设置日志级别的命令；可用级别为info和debug。默认级别为info。

语法
xcp estimate -loglevel <name> -id <name>
显示示例 
[root@client1 linux]# ./xcp estimate -loglevel DEBUG -parallel 8 -id estimate1

xcp: WARNING: your license will expire in less than 11 days! You can renew your license at
https://xcp.netapp.com
Job ID: Job_2023-04-20_11.36.45.535209_estimate
== Best-case estimate to copy '10.10.101.10:/users009/xxx/mnt' given 1 gigabit of bandwidth ==
6.75 GiB of data at max 128 MiB/s: at least 54.0s
Xcp command : xcp estimate -loglevel DEBUG -parallel 8 -id estimate1
Estimated Time : 54.0s
Job ID : Job_2023-04-20_11.36.45.535209_estimate
Log Path : /opt/NetApp/xFiles/xcp/xcplogs/Job_2023-04-20_11.36.45.535209_estimate.log
STATUS : PASSED
[root@client1 linux]#