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View Code? Open in Web Editor NEWA module to view the current active raids based on /proc/mdstat generated by the linux-raid kernel module.
License: MIT License
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linux-raid-module's Issues
Rewrite of fs mock logic
Rewrite of fs mock logic for more complex data structures.
Parser do not recognize more activity types
The current parser do not recognize the activity type check:
Output of /proc/mdstat:
Personalities : [raid1] [raid0] [linear] [multipath] [raid6] [raid5] [raid4] [raid10]
md125 : active raid0 md126[1] md127[0]
7813301248 blocks super 1.2 512k chunks
md126 : active raid1 sdd1[1] sdc1[0]
3906783040 blocks super 1.2 [2/2] [UU]
[>....................] check = 0.1% (7209856/3906783040) finish=348.0min speed=186728K/sec
bitmap: 0/30 pages [0KB], 65536KB chunk
md127 : active raid1 sda1[1] sdb1[0]
3906783040 blocks super 1.2 [2/2] [UU]
[>....................] check = 0.9% (35327488/3906783040) finish=352.4min speed=183050K/sec
bitmap: 0/30 pages [0KB], 65536KB chunk
unused devices: <none>
Current JSON output:
{
"personalities": [
"raid1",
"raid0",
"linear",
"multipath",
"raid6",
"raid5",
"raid4",
"raid10"
],
"raids": [
{
"name": "md125",
"state": "active",
"access": "rw",
"type": "raid0",
"devices": [
{
"name": "md126",
"index": 1,
"status": "active"
},
{
"name": "md127",
"index": 0,
"status": "active"
}
],
"blocks": 7813301248,
"parameters": "super 1.2 512k chunks",
"options": []
},
{
"name": "md126",
"state": "active",
"access": "rw",
"type": "raid1",
"devices": [
{
"name": "sdd1",
"index": 1,
"status": "active"
},
{
"name": "sdc1",
"index": 0,
"status": "active"
}
],
"blocks": 3906783040,
"parameters": "super 1.2",
"ideal": 2,
"current": 2,
"options": [
{
"type": "unknown",
"value": "[>....................] check = 0.1% (7209856/3906783040) finish=348.0min speed=186728K/sec"
},
{
"type": "bitmap",
"usedPages": 0,
"totalPages": 30,
"sizePages": 0,
"chunkSize": 65536
}
]
},
{
"name": "md127",
"state": "active",
"access": "rw",
"type": "raid1",
"devices": [
{
"name": "sda1",
"index": 1,
"status": "active"
},
{
"name": "sdb1",
"index": 0,
"status": "active"
}
],
"blocks": 3906783040,
"parameters": "super 1.2",
"ideal": 2,
"current": 2,
"options": [
{
"type": "unknown",
"value": "[>....................] check = 0.9% (35327488/3906783040) finish=352.4min speed=183050K/sec"
},
{
"type": "bitmap",
"usedPages": 0,
"totalPages": 30,
"sizePages": 0,
"chunkSize": 65536
}
]
}
]
}Please remove the unkown tag and add check to activity type in the parser.
Default options get overwrittten due to Object.assign
In
linux-raid-module/src/index.js
Line 32 in 8dec726
the defaultOptions get overwritten, as the empty object as first argument in Object.assign is missing. This could get solved with something along the lines of
options = Object.assign({}, defaultOptions, options); pegjs parser do not recognize delayed resync activity
The status file /proc/mdstat shows a different option line comparable to the activity line, but without any progress.
Personalities : [raid1]
md1 : active raid1 sdb8[1] sdb7[0]
20954112 blocks super 1.2 [2/2] [UU]
resync=DELAYED
unused devices: <none>
This can be reproduced by idling the sync action of the array:
echo "idle" > /sys/block/md1/md/sync_action
Currently the parser do not recognize this feature and assign to the unknown option.
JSON Output:
{
"personalities": [
"raid1"
],
"raids": [
{
"name": "md1",
"state": "active",
"access": "rw",
"type": "raid1",
"devices": [
{
"name": "sdb8",
"index": 1,
"status": "active"
},
{
"name": "sdb7",
"index": 0,
"status": "active"
}
],
"blocks": 20954112,
"parameters": "super 1.2",
"ideal": 2,
"current": 2,
"options": [
{
"type": "unknown",
"value": "resync=DELAYED"
}
]
}
]
}Dependabot can't resolve your JavaScript dependency files
Dependabot can't resolve your JavaScript dependency files.
As a result, Dependabot couldn't update your dependencies.
The error Dependabot encountered was:
Error whilst updating jest in /package-lock.json:
404 Not Found - GET https://registry.npmjs.org/jest-validate/-/jest-validate-25.2.6.tgz
If you think the above is an error on Dependabot's side please don't hesitate to get in touch - we'll do whatever we can to fix it.
Move PegJS compilation to webpack
Move compilation to npm run build via a webpack plugin, e.g., https://www.npmjs.com/package/pegjs-loader, and import it directly. This allows for easy iteration, compilation and maintainability.
Option to filter results
It might be useful to add an option to filter the partitions whose data gets returned.
(Possible?) Use Case
In company X, there are two groups of users of their server-state instance. Designers, who use the RAID for project files, and administrators, who have full control over the servers.
To simplify usage for designers, the linux-raid-module allows filtering the data returned server-side. With a simple configuration like
server.addModule('raid-designer', raid, ['partition 1'])
server.addModule('raid-admin', raid);designers only get shown partition 1, which is the one they care about, while admins still get all the information they need. Furthermore, this enhances security as information about the server architecture can remain on a need-to-know basis (for whatever that's worth 😉 )
Refractoring of options output
Another structure of the parsed JSON output for the options attribute, for example:
"options": {
"activity": {
"activityType": "recovery",
"progress": 74.4,
"processed": 15600512,
"total": 20954112,
"finish": 3.2,
"speed": 27496
},
"bitmap": {
"attr1": "value1"
}
}Notes:
- The options attribute is always given and an object.
- Options are unique through attribute name.
- Missing options are not listed.
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