Festplattenfehler simulieren
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Dieses Dokument erklärt, wie Sie mit Chaosd Festplattenfehler simulieren können. Diese Funktion ermöglicht das Simulieren von Lese-/Schreiblast (mittels dd) oder das Füllen von Festplatten (mittels dd oder fallocate).
Experimente im Befehlszeilenmodus erstellen
Dieser Abschnitt erklärt, wie Sie Festplattenfehler-Experimente über die Befehlszeile erstellen.
Vor der Erstellung eines Experiments können Sie folgenden Befehl ausführen, um die von Chaosd unterstützten Festplattenfehlertypen zu prüfen:
chaosd attack disk -h
Das Ergebnis sieht wie folgt aus:
disk attack related command
Usage:
chaosd attack disk [command]
Available Commands:
add-payload add disk payload
fill fill disk
Flags:
-h, --help help for disk
Global Flags:
--log-level string the log level of chaosd, the value can be 'debug', 'info', 'warn' and 'error'
Use "chaosd attack disk [command] --help" for more information about a command.
Chaosd unterstützt derzeit die Erstellung von Experimenten für Lese-Last, Schreib-Last und Festplattenfüllung.
Lese-Last über die Befehlszeile simulieren
Das Simulieren der Lese-Last ist ein einmaliger Vorgang, daher muss das Experiment nicht zurückgesetzt werden.
Befehle zum Simulieren der Lese-Last
chaosd attack disk add-payload read -h
Das Ergebnis sieht wie folgt aus:
read payload
Usage:
chaosd attack disk add-payload read [flags]
Flags:
-h, --help help for read
-p, --path string 'path' specifies the location to read data.If path not provided, payload will read from disk mount on "/"
-n, --process-num uint8 'process-num' specifies the number of process work on reading , default 1, only 1-255 is valid value (default 1)
-s, --size string 'size' specifies how many units of data will read from the file path.'unit' specifies the unit of data, support c=1, w=2, b=512, kB=1000, K=1024, MB=1000*1000,M=1024*1024, , GB=1000*1000*1000, G=1024*1024*1024 BYTESexample : 1M | 512kB
Global Flags:
--log-level string the log level of chaosd, the value can be 'debug', 'info', 'warn' and 'error'
Konfigurationsbeschreibung für die Simulation der Lese-Last
| Configuration item | Abbreviation | Description | Value |
|---|---|---|---|
path | p | Specifies the file path to read the data. If this parameter is not specified, or the parameter value is set to an empty string, Chaosd reads from the virtual disk files mounted in the "/" directory. Depending on the permissions to read the files, you might be required to run this program using certain permissions. | type: string; default: "" |
process-num | n | Specifies the number of concurrently running dd programs to be used. | type: uint8; default: 1; range: 1 to 255 |
size | s | Specifies the volume of data to be read. It is the total size of data that dd reads. | type: string; default: ""; required; legal form: the combination of an integer and a unit. For example, 1M, 512kB. Supported units are c=1, w=2, b=512, kB=1000, K=1024, MB=1000*1000, M=1024*1024, GB=1000*1000*1000, G=1024*1024*1024*1024 BYTE and so on. |
Beispiel zum Simulieren der Lese-Last
chaosd attack disk add-payload read -s 1000G -n 7 -p /dev/zero
Das Ergebnis sieht wie folgt aus:
andrew@LAPTOP-NUS30NQD:~/chaosd/bin$ ./chaosd attack disk add-payload read -s 1000G -n 7 -p /dev/zero
[2021/05/20 13:54:31.323 +08:00] [INFO] [disk.go:128] ["5242880+0 records in\n5242880+0 records out\n5242880 bytes (5.2 MB, 5.0 MiB) copied, 4.13252 s, 1.3 MB/s\n"]
[2021/05/20 13:54:46.977 +08:00] [INFO] [disk.go:147] ["146285+0 records in\n146285+0 records out\n153390940160 bytes (153 GB, 143 GiB) copied, 15.6513 s, 9.8 GB/s\n"]
[2021/05/20 13:54:47.002 +08:00] [INFO] [disk.go:147] ["146285+0 records in\n146285+0 records out\n153390940160 bytes (153 GB, 143 GiB) copied, 15.6762 s, 9.8 GB/s\n"]
[2021/05/20 13:54:47.004 +08:00] [INFO] [disk.go:147] ["146285+0 records in\n146285+0 records out\n153390940160 bytes (153 GB, 143 GiB) copied, 15.6777 s, 9.8 GB/s\n"]
[2021/05/20 13:54:47.015 +08:00] [INFO] [disk.go:147] ["146285+0 records in\n146285+0 records out\n153390940160 bytes (153 GB, 143 GiB) copied, 15.6899 s, 9.8 GB/s\n"]
[2021/05/20 13:54:47.018 +08:00] [INFO] [disk.go:147] ["146285+0 records in\n146285+0 records out\n153390940160 bytes (153 GB, 143 GiB) copied, 15.6914 s, 9.8 GB/s\n"]
[2021/05/20 13:54:47.051 +08:00] [INFO] [disk.go:147] ["146285+0 records in\n146285+0 records out\n153390940160 bytes (153 GB, 143 GiB) copied, 15.7254 s, 9.8 GB/s\n"]
[2021/05/20 13:54:47.074 +08:00] [INFO] [disk.go:147] ["146285+0 records in\n146285+0 records out\n153390940160 bytes (153 GB, 143 GiB) copied, 15.7487 s, 9.7 GB/s\n"]
Read file /dev/zero successfully, uid: 4bc9b74a-5fe2-4038-b4f2-09ae95b57694
Schreib-Last über die Befehlszeile simulieren
Befehl zum Simulieren der Schreib-Last
chaosd attack disk add-payload write -h
Das Ergebnis sieht wie folgt aus:
write payload
Usage:
chaosd attack disk add-payload write [flags]
Flags:
-h, --help help for write
-p, --path string 'path' specifies the location to fill data in.If path not provided, payload will write into a temp file, temp file will be deleted after writing
-n, --process-num uint8 'process-num' specifies the number of process work on writing , default 1, only 1-255 is valid value (default 1)
-s, --size string 'size' specifies how many units of data will write into the file path.'unit' specifies the unit of data, support c=1, w=2, b=512, kB=1000, K=1024, MB=1000*1000,M=1024*1024, , GB=1000*1000*1000, G=1024*1024*1024 BYTESexample : 1M | 512kB
Global Flags:
--log-level string the log level of chaosd, the value can be 'debug', 'info', 'warn' and 'error'
Konfigurationsbeschreibung für die Simulation der Schreib-Last
| Configuration item | Abbreviation | Description | Value |
|---|---|---|---|
path | p | Specifies the file path to write the data. If this parameter is not specified, or the parameter value is set to an empty string, a temporary file will be created in the program execution directory. Depending on the permissions to write the files, you might be required to run this program using certain permissions. | type: string; default: "" |
process-num | n | Specifies the number of concurrently running dd programs to be used. | type: uint8; default: 1; range: 1 to 255 |
size | s | Specifies the volume of data to be written. It is the total size of data that dd writes. | type: string; default: ""; required; legal form: the combination of an integer and a unit. For example, 1M, 512kB. Supported units are c=1, w=2, b=512, kB=1000, K=1024, MB=1000*1000, M=1024*1024, GB=1000*1000*1000, G=1024*1024*1024*1024 BYTE and so on. |
Beispiel zum Simulieren der Schreib-Last
chaosd attack disk add-payload write -s 2G -n 8
Das Ergebnis sieht wie folgt aus:
[2021/05/20 14:28:14.452 +08:00] [INFO] [disk.go:128] ["0+0 records in\n0+0 records out\n0 bytes copied, 4.3e-05 s, 0.0 kB/s\n"]
[2021/05/20 14:28:16.793 +08:00] [INFO] [disk.go:147] ["256+0 records in\n256+0 records out\n268435456 bytes (268 MB, 256 MiB) copied, 2.32841 s, 115 MB/s\n"]
[2021/05/20 14:28:16.793 +08:00] [INFO] [disk.go:147] ["256+0 records in\n256+0 records out\n268435456 bytes (268 MB, 256 MiB) copied, 2.3344 s, 115 MB/s\n"]
[2021/05/20 14:28:16.793 +08:00] [INFO] [disk.go:147] ["256+0 records in\n256+0 records out\n268435456 bytes (268 MB, 256 MiB) copied, 2.33312 s, 115 MB/s\n"]
[2021/05/20 14:28:16.793 +08:00] [INFO] [disk.go:147] ["256+0 records in\n256+0 records out\n268435456 bytes (268 MB, 256 MiB) copied, 2.33466 s, 115 MB/s\n"]
[2021/05/20 14:28:16.793 +08:00] [INFO] [disk.go:147] ["256+0 records in\n256+0 records out\n268435456 bytes (268 MB, 256 MiB) copied, 2.33189 s, 115 MB/s\n"]
[2021/05/20 14:28:16.793 +08:00] [INFO] [disk.go:147] ["256+0 records in\n256+0 records out\n268435456 bytes (268 MB, 256 MiB) copied, 2.33752 s, 115 MB/s\n"]
[2021/05/20 14:28:16.793 +08:00] [INFO] [disk.go:147] ["256+0 records in\n256+0 records out\n268435456 bytes (268 MB, 256 MiB) copied, 2.33295 s, 115 MB/s\n"]
[2021/05/20 14:28:16.794 +08:00] [INFO] [disk.go:147] ["256+0 records in\n256+0 records out\n268435456 bytes (268 MB, 256 MiB) copied, 2.3359 s, 115 MB/s\n"]
Write file /home/andrew/chaosd/bin/example255569279 successfully, uid: e66afd86-6f3e-43a0-b161-09447ed84856
Festplattenfüllung über die Befehlszeile simulieren
Befehl zum Simulieren der Festplattenfüllung
chaosd attack disk fill -h
Das Ergebnis sieht wie folgt aus:
fill disk
Usage:
chaosd attack disk fill [flags]
Flags:
-d, --destroy destroy file after filled in or allocated
-f, --fallocate fill disk by fallocate instead of dd (default true)
-h, --help help for fill
-p, --path string 'path' specifies the location to fill data in.If path not provided, a temp file will be generated and deleted immediately after data filled in or allocated
-c, --percent string 'percent' how many percent data of disk will fill in the file path
-s, --size string 'size' specifies how many units of data will fill in the file path.'unit' specifies the unit of data, support c=1, w=2, b=512, kB=1000, K=1024, MB=1000*1000,M=1024*1024, , GB=1000*1000*1000, G=1024*1024*1024 BYTESexample : 1M | 512kB
Global Flags:
--log-level string the log level of chaosd, the value can be 'debug', 'info', 'warn' and 'error'
Konfigurationsbeschreibung für die Simulation der Festplattenfüllung
| Configuration item | Abbreviation | Description | Value |
|---|---|---|---|
destroy | d | If this parameter is set to true, the fill file is immediately deleted after being filled. | type: bool; default: false |
fallocate | f | If this parameter is set to true, Linux is used to call fallocate to quickly apply for disk space and size must be greater than 0. If this parameter is set to false, Linux is used to call dd to fill disks at a relatively slow pace. | type: bool; default: true |
path | p | Specifies the file path to write the data. If this parameter is not specified, or the parameter value is set to an empty string, a temporary file will be created in the program execution directory. Depending on the permissions to write the files, you might be required to run this program using certain permissions. | type: string; default: "" |
percent | c | Specifies the percentage of disk size to be filled. | type: string; default: ""; positive integer of the uint type is acceptable; You must set one of size or percent (both items cannot be "" at the same time). |
size | s | Specifies the volume of data to be written. | type: string; default: ""; legal form: the combination of an integer and a unit. For example, 1M, 512kB. Supported units are c=1, w=2, b=512, kB=1000, K=1024, MB=1000*1000, M=1024*1024, GB=1000*1000*1000, G=1024*1024*1024*1024 BYTE and so on. You must set one of size or percent (both items cannot be "" at the same time). |
Beispiel zum Simulieren der Festplattenfüllung
chaosd attack disk fill -c 50 -d
Das Ergebnis sieht wie folgt aus:
[2021/05/20 14:30:02.943 +08:00] [INFO] [disk.go:215]
Fill file /home/andrew/chaosd/bin/example623832242 successfully, uid: 097b4214-8d8e-46ad-8768-c3e0d8cbb326
Experimente im Dienstmodus erstellen
Dieser Abschnitt erklärt, wie Sie Festplattenfehler-Experimente über den Dienstmodus erstellen.
Lese-Last über den Dienstmodus simulieren
Das Simulieren der Lese-Last ist ein einmaliger Vorgang, daher muss das Experiment nicht zurückgesetzt werden.
Parameter zum Simulieren der Lese-Last
| Parameter | Description | Value |
|---|---|---|
action | Actions of the experiment | Set to "read-payload" |
path | Specifies the file path to read the data. If this parameter is not specified, or the parameter value is set to an empty string, Chaosd reads from the virtual disk files mounted in the "/" directory. Depending on the permissions to read the files, you might be required to run this program using certain permissions. | type: string; default: """ |
payload-process-num | Specifies the number of concurrently running dd programs to be used. | type: uint8; default: 1; range: 1 to 255 |
size | Specifies the volume of data to be read. It is the total size of data that dd reads. | type: string; default: ""; required; legal form: the combination of an integer and a unit. For example, 1M, 512kB. Supported units are c=1, w=2, b=512, kB=1000, K=1024, MB=1000*1000, M=1024*1024, GB=1000*1000*1000, G=1024*1024*1024*1024 BYTE and so on. |
Beispiel zum Simulieren der Lese-Last über den Dienstmodus
curl -X POST 172.16.112.130:31767/api/attack/disk -H "Content-Type:application/json" -d '{"action":"read-payload","path":"/dev/zero", "payload-process-num":7,"size":"1000G"}'
Das Ergebnis sieht wie folgt aus:
{"status":200,"message":"attack successfully","uid":"a551206c-960d-4ac5-9056-518e512d4d0d"}
Schreib-Last über den Dienstmodus simulieren
Parameter zum Simulieren der Schreib-Last
| Parameter | Description | Value |
|---|---|---|
action | Actions of the experiment | Set to "write-payload" |
path | Specifies the file path to write the data. If this parameter is not specified, or the parameter value is set to an empty string, a temporary file will be created in the program execution directory. Depending on the permissions to write the files, you might be required to run this program using certain permissions. | type: string; default: "" |
payload-process-num | Specifies the number of concurrently running dd programs to be used. | type: uint8; default: 1; range: 1 to 255 |
size | Specifies the volume of data to be written. It is the total size of data that dd writes. | type: string; default: ""; required; legal form: the combination of an integer and a unit. For example, 1M, 512kB. Supported units are c=1, w=2, b=512, kB=1000, K=1024, MB=1000*1000, M=1024*1024, GB=1000*1000*1000, G=1024*1024*1024*1024 BYTE and so on. |
Beispiel zum Simulieren der Schreib-Last über den Dienstmodus
curl -X POST 172.16.112.130:31767/api/attack/disk -H "Content-Type:application/json" -d '{"action":"write-payload","path":"/tmp/test", "payload-process-num":7,"size":"1000G"}'
Das Ergebnis sieht wie folgt aus:
{"status":200,"message":"attack successfully","uid":"a551206c-960d-4ac5-9056-518e512d4d0d"}
Festplattenfüllung über den Dienstmodus simulieren
Parameter zum Simulieren der Festplattenfüllung
| Parameter | Description | Value |
|---|---|---|
action | Actions of the experiment | Set to "fill" |
destroy | If this parameter is set to true, the fill file is immediately deleted after being filled. | type: bool; default: false |
fill-by-fallocate | If this parameter is set to true, Chaosd uses Linux to call fallocate to apply for disk space quickly, and you must set size to a value greater than 0. If this parameter is set to false, Chaosd uses Linux to call dd to fill disks at a relatively slow pace. | type: bool; default: true |
path | Specifies the file path to write the data. If this parameter is not specified, or the parameter value is set to an empty string, a temporary file will be created in the program execution directory. Depending on the permissions to write the files, you might be required to run this program using certain permissions. | type: string; default: "" |
percent | Specifies the percentage of disk size to be filled. | type: string; default: ""; positive integer of the uint type is acceptable; You must set one of size or percent (both items cannot be "" at the same time). |
size | Specifies the volume of data to be read. | type: string; default: ""; legal form: the combination of an integer and a unit. For example, 1M, 512kB. Supported units are c=1, w=2, b=512, kB=1000, K=1024, MB=1000*1000, M=1024*1024, GB=1000*1000*1000, G=1024*1024*1024*1024 BYTE and so on. You must set one of size or percent (both items cannot be "" at the same time). |
Beispiel zum Simulieren der Festplattenfüllung über den Dienstmodus
curl -X POST 172.16.112.130:31767/api/attack/disk -H "Content-Type:application/json" -d '{"action":"fill","path":"/tmp/test", "fill-by-fallocate":true,"percent":"50"}'
Das Ergebnis sieht wie folgt aus:
{"status":200,"message":"attack successfully","uid":"a551206c-960d-4ac5-9056-518e512d4d0d"}