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本繁體中文版使用機器翻譯，譯文僅供參考，若與英文版本牴觸，應以英文版本為準。

預估

貢獻者
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XCP NFS estimate 命令用於估計從來源複本到目的地完成基準複本的時間。它會使用所有目前可用的系統資源（例如 CPU 、 RAM 、網路和其他參數）來計算完成基礎複本的預估時間。您可以使用 -target 選項可開始範例複本作業並取得預估時間。

語法
xcp estimate -id <name>
顯示範例 
[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 estimate 參數及其說明。

參數 說明

<<nfs_estimate_id,估計 -id ；名稱 >

指定先前複本或掃描索引的目錄名稱。

<<nfs_estimate_gbit,估計 -Gbit () ；

使用 Gb 頻寬來估計最佳案例時間（預設值： 1 ）。

估計 - 目標

指定用於即時測試複本的目標。

<<nfs_estimate_t,估計 -t ； n/s/m/h]>

指定即時測試複本的持續時間（預設值： 5 分鐘）。

<<nfs_estimate_bs,估計 -bs ； n[k]>

指定讀寫區塊大小（預設值： 64K ）。

<<nfs_estimate_dircount,估計 -dircount ； n[k]>

指定讀取目錄的要求大小（預設值： 64K ）。

預估 - 保留 - 保留

保留檔案或目錄的存取時間（預設： false ）。

<<nfs_estimate_loglevel,估計 -loglevel ；名稱 >

設定記錄層級；可用層級為 info 、 debug （預設： info ）

估計 -id <name>

使用 -id <name> 參數 estimate 命令來排除符合篩選條件的檔案和目錄。

語法
xcp estimate -id <name>
顯示範例 
[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]#

估計 -Gbit <n>

使用 -gbit <n> 參數 estimate 估計最佳案例時間的命令（預設值： 1 ）。此選項無法與搭配使用 -target 選項。

語法
xcp estimate -gbit <n> -id <name>
顯示範例 
[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]#

預估 - 目標 <path>

使用 -target <path> 參數 estimate 指定用於即時測試複本的目標命令。

語法
xcp estimate -t 100 -id <name> -target <path>
顯示範例 
[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]#

估計 -t <n[s|m|h]>

使用 -t <n[s|m|h]> 參數 estimate 指定即時測試複本持續時間的命令。預設值為 5 公尺。

語法
xcp estimate -t <n[s|m|h]> -id <name> -target <path>
顯示範例 
[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]#

估計 -BS <n[k]>

使用 -bs <n[k]> 參數 estimate 指定讀寫區塊大小的命令。預設值為 64k 。

語法
xcp estimate -id <name> -bs <n[k]>
顯示範例 
[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]#

估計 -dircount <n[k]>

使用 -dircount <n[k]> 參數 estimate 用於指定讀取目錄所需大小的命令。預設值為 64k 。

語法
xcp estimate -id <name> -dircount <n[k]> -t <n> -target <path>
顯示範例 
[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]#

估計平行 <n>

使用 -parallel <n> 參數 estimate 命令以指定並行批次處理程序的最大數目。預設值為 7 。

語法
xcp estimate -loglevel <name> -parallel <n> -id <name>
顯示範例 
[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]#

預估 - 保留 - 保留

使用 -preserve-atime 參數 estimate 保留檔案或目錄存取時間的命令。預設值為假。

語法
xcp estimate -loglevel <name> -preserve-atime -id <name>
顯示範例 
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]#

估計 -logLevel <name>

使用 -loglevel <name> 參數 estimate 用於設置日誌級別的命令；可用級別爲 info 和 debug 。預設層級為資訊。

語法
xcp estimate -loglevel <name> -id <name>
顯示範例 
[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]#