Has anybody here actually tested the resiliency features of ReFS with example files exhibiting corruption? I am doing some testing right now and would like to compare notes with others.
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ReFS test with corrupt data. Does it work?
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Data Integrity Scan Doesn't Work
When I run the Data Integrity Scan manually within the Task Scheduler, it runs and completes immediately without doing anything even though I know there are corrupt files in the volume. The following are the event log entries. Notice that most of my files are skipped. Why doesn't the scan attempt to fix corrupted files?
Integrity is both enabled and enforced for all of the several hundred files. The ReFS storage space is a two-way mirror. Both drives are attached via SATA and the motherboard BIOS SATA Configuration is AHCI.
Information:
Started checking data integrity.
Information:
Disk scan started on \\?\PhysicalDrive9 (\\?\Disk{ecb98218-784e-47d5-b316-941ae9595eb4})
Error:
Volume metadata scrub operation failed.
Volume name: I:
Metadata reference: 0x204
Range offset: 0x0
Range length (in bytes): 0x0
Bytes repaired: 0x0
Bytes not repaired: 0x3000
Status: The specified copy of the requested data could not be read.
Error:
Files were skipped during the volume scan.
Files skipped: 310
Volume name: I:\ (\??\Volume{53d99c4e-9ad6-11e8-8448-0cc47ad896dd}\)
First skipped file name: I:
HResult: The specified copy of the requested data could not be read.
Information:
Volume scan completed on I:\ (\??\Volume{53d99c4e-9ad6-11e8-8448-0cc47ad896dd}\)
Bytes repaired: 0x0
Bytes not repaired: 0x3000
HResult: The operation completed successfully.
Information:
Disk scan completed on \\?\PhysicalDrive9 (\\?\Disk{ecb98218-784e-47d5-b316-941ae9595eb4})
Information:
Completed data integrity check.
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ISCSI Initiator sends command PDU with repeat CmdSN after a reject
I believe I am seeing a problem with ISCSI Initiator. When a Command PDU that's sent by ISCSI Initiator is rejected by my target (Reject PDU), it appears ISCSI Initiator retries the same Command PDU but fails to increment CmdSN. So my ISCSI target, seeing an "old" CmdSN, simply drops it which eventually leads to Task management by ISCSI Initiator.
Here the order I observe:
1. ISCSI Initiator issues command PDU with CmdSN 0x50.
2. Target rejects with Reject PDU, ExpCmdSn in Reject PDU is 0x51.
3. ISCSI Initiator retries command PDU again with CmdSN 0x50. (against spec)
4. Target ignores the retry.
5. ISCSI Initiator issues LUN Reset because target never responds. LUN Reset has CmdSN 0x51.
6. Target processes LUN Reset.
I believe this is a problem with ISCSI Initiator as commands, even retried commands, should never repeat CmdSNs. Is anyone else seeing an issue like this? Is there a method to formally file a bug against this?
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Standard file name template
Is there a way within a Windows LAN file server environment to enforce a file naming standard that would prefix any file being saved to the LAN to be prefixed with YYYY MM DD ?
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Storage Spaces Direct (S2D) How Upgrade Cache SSDs?
How would you go about upgrading the cache SSDs in an S2D Cluster?
We have a 3 Node Cluster with 4x 1TB SSD and 8X HDDs in each. We want to upgrade the existing SSD for a new model.
We want to know
1. Can this be done efficiently without downtime for the cluster?
2. Must the same number of SSDs be used, ie can we replace the 4x 1TB with 2x 2TB?
I see info on how to replace a failed disk, or add disks to a cluster. I was not able to find anything on upgrading a group of Cache SSDs or Storage HDDs.
Thanks,
Todd
Todd Hunter
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Can't access server's files via SMB but the server can access others.
Hi, I got a weird issue today:
I have 3 servers: A B C, A and B are on the same network, C is on a different one.
A and B can reach each other files via SMB. However, A and B are not reachable by C (via SMB of course). BUT, A and B can connect to C.
I've tried to disable firewall on A, but it's still not reachable by C. Tried to restart related services as well.
All 3 server are Windows 2016 (1607) with latest updates.
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file and print sharing resource is online but isn't responding to connection attempts
Hello Experts,
I am facing issue with File Share over internet. I have a Server 2016 instance in AWS and I created few Shared Folders on that Server.
I am able to access those Shared Folder over public IP <\\Public IP\Share> from Server 2016 hosted in AWS, Azure, Google Cloud but unable to access the Shared Folder from Windows 10. I have enclosed the Windows Diagnostics Log here.
While troubleshooting the issue, I tried below steps but no luck. Please advice...
Allowed all traffics in AWS Security Group
Disabled Windows Firewall on Windows 2016 as well as Windows 10
Enabled SMB 1.0/CIFS Client on Windows 10
Tried to Telnet on port 445 but it was a failure
Disabled StrictNameChecking and SMB2Protocol on Server 2016. I used below commands:
Set-SmbServerConfiguration –EnableStrictNameChecking $False
Set-SmbServerConfiguration –EnableSMB2Protocol $False
Log Name: SystemSource: Microsoft-Windows-Diagnostics-Networking
Date: 10-08-2018 6.55.26 PM
Event ID: 4000
Task Category: Diagnosis Success
Level: Information
Keywords: (70368744177664),Core Events
User: LOCAL SERVICE
Computer: XXXXXXX
Description:
The Network Diagnostics Framework has completed the diagnosis phase of operation. The following repair option was offered:
Helper Class Name: TransportConnection
Root Cause: file and print sharing resource (IP Address) is online but isn't responding to connection attempts.
The remote computer isn’t responding to connections on port 445, possibly due to firewall or security policy settings, or because it might be temporarily unavailable. Windows couldn’t find any problems with the firewall on your computer.
Root Cause Guid: {767897d8-7825-4413-ad95-d2ab2ca37281}
Repair option: Contact the service provider or owner of the remote system for further assistance, or try again later
RepairGuid: {36e90720-4fb8-4f74-a98f-f3ecce18873f}
Seconds required for repair: 0
Security context required for repair: 0
Interface: ({00000000-0000-0000-0000-000000000000})
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-Diagnostics-Networking" Guid="{36C23E18-0E66-11D9-BBEB-505054503030}" />
<EventID>4000</EventID>
<Version>1</Version>
<Level>4</Level>
<Task>4</Task>
<Opcode>0</Opcode>
<Keywords>0x4000400000000001</Keywords>
<TimeCreated SystemTime="2018-08-10T13:25:26.607601500Z" />
<EventRecordID>10620</EventRecordID>
<Correlation ActivityID="{21855325-F05A-49E6-9D3B-593DCC7488C0}" />
<Execution ProcessID="4380" ThreadID="9552" />
<Channel>System</Channel>
<Computer>xxxxxxx</Computer>
<Security UserID="S-1-5-19" />
</System>
<EventData>
<Data Name="RootCause"> file and print sharing resource (IP Address) is online but isn't responding to connection attempts.
The remote computer isn’t responding to connections on port 445, possibly due to firewall or security policy settings, or because it might be temporarily unavailable. Windows couldn’t find any problems with the firewall on your computer. </Data>
<Data Name="RootCauseGUID">{767897D8-7825-4413-AD95-D2AB2CA37281}</Data>
<Data Name="RepairOption">Contact the service provider or owner of the remote system for further assistance, or try again later</Data>
<Data Name="RepairGUID">{36E90720-4FB8-4F74-A98F-F3ECCE18873F}</Data>
<Data Name="SecondsRequired">0</Data>
<Data Name="SIDTypeRequired">0</Data>
<Data Name="HelperClassName">TransportConnection</Data>
<Data Name="InterfaceDesc">
</Data>
<Data Name="InterfaceGUID">{00000000-0000-0000-0000-000000000000}</Data>
</EventData>
</Event>
Thanks & Regards, Prosenjit Sen.
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Accessing NFS shares hosted on Server 2016 gets stuck on LS and CD commands
I recently setup a new fast machine to be a file server for windows and Linux clients. It is running NFS for the Linux clients. Previously we were doing this for a couple of years on an older server with 2k12R2. Never had any issues with the speed of the NFS shares. Since switching to 2016, with all the software setup as identical as I can make it, but with faster hardware (all SSDs instead of hard drives and faster CPU), the Linux clients take 30 seconds to 1 minute to do an initial LS of files in a folder. Also CD to another directory will sometimes take the same amount of time. Then everything will be fine for a while, but sooner or a later the delay comes back. I've been doing research for days on this issue and so far cannot find a reason why this is happening. I did notice today a warning in my event log on the new server in ServicesForNFS-Server: Operational which I don't see ever happened in the old server's event log. Could this possibly be related?
There is an attemp (sic) to access file with invalid NFS handle signature: Status 0xC0532711
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virtual disk interleave size and new volume allocation unit size should be same?
I have create virtual disk with interleave size of 64K and when I create volume and format disk, should I set Allocation unit size to 64K too or should I leave it default?
I want to use it as iscsi server and iscsi disk will create on that volume. Your advice is much appreciated.
Rgds,
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Files lost after removing a DFS-R Folder Exclusion
Hello,
we are using DFS-R on 3 Servers (2 x Windows 2012 R2 and 1 x Windows 2016).
Both 2012 servers are in production since a few years and we added the 2016 server a few weeks ago. The initial replication finished successfully and we wanted to remove an excluded folder but we noticed a strange issue:
The excluded folder was only present on one server (2012 R2). After removing the exclusion, the folder structure got created on the other servers. But after that, we checked the event log on the main server (the one who contained the excluded folder) and we saw a lot of 4412 entries (The DFS Replication service detected that a file was changed on multiple servers. A conflict resolution algorithm was used to determine the winning file. The losing file was moved to the Conflict and Deleted folder)
So basically all data was lost, even on the server who contained the data and we had to restore it from backup.
Can anyone explain this? We have to do this for another DFSR Group and we need to find the issue first.
Regards,
Philipp
Philipp Mair
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Maximum LUN size for Windows 2012 R2 Server
Dear All
What is the Maximum size of the LUN that can be provided to Windows 2012 R2 server? After searching for the internet, I found that the Maximum LUN is 17TB for GPT dynamic disk. I have storage LUN the size of 120 TB I just want to know which file system will support this much size.
Regards
Rashid
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User rights to edit folder permissions
Hello
In my organisation we have file server.
I want the user (folder Owner) to be able to edit the permissions (add or delete some users) of the folders on the file server but he couldn't remove the administrator from the permissions.
Is there any way?
In my organisation we have file server.
I want the user (folder Owner) to be able to edit the permissions (add or delete some users) of the folders on the file server but he couldn't remove the administrator from the permissions.
Is there any way?
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Network Share permissions prevent word and excel amendments
Hi,
I am having issues with permissions on a network share. I have created an AD security group and placed some users in it. I have then added this group to the top level folder call 'Company' on a 2012 server and propagated the permissions down through all files and folders.
The advanced permissions for this group are allow on all apart from 'delete' and 'delete subfolders and files'.
The issue is that when users try to amend Excel and Word files, they get an access denied error. They can edit .txt and .png files, so I suspect this to be an issue with Office related files.
After giving the users 'delete' and 'delete subfolder and files permissions', they are then able to amend office documents and spreadsheets.
Any ideas?
Thanks,
Sam
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NTFS permission removed when deleting a subfolder
Hello everyone,
I do have a very strange issue with my file server. Let me first describe the infrastructure.
OS: Windows Server 2016
Roles: File and Storage Services
Type: Member of a 2016 Domain
On the file server I do have to following structure/permission:
- F:\
- ANWDTest
- ZZZ
- DIMS
- Wagenbuch
- ZZZ
- ANWDTest
The NTFS permissions to those folders is like that:
- ANWDTest
Inheritance disabled
CREATOR OWNER - Full control - Subfolders and files only
SYSTEM - Full control - This folder, subfolders and files
Administrators - Full control - This folder, subfolders and files
L_NTFS_J_R - Read & execute - This folder only - ZZZ
Inheritance enabled
L_NTFS_J_ZZZ_R - Read & execute - This folder only - DIMS
Inheritance enabled
L_NTFS_J_ZZZ_DIMS_R - Read & execute - This folder, subfolders and files
L_NTFS_J_ZZZ_DIMS_W - Modify - This folder, subfolders and files - Wagenbuch
Inheritance enabled
L_NTFS_J_ZZZ_Wagenbuch_R - Read & execute - This folder, subfolders and files
L_NTFS_J_ZZZ_Wagenbuch_W - Modify - This folder, subfolders and files
So far I think this is nothing special, now here is my issue:
When I delete the "Wagenbuch" or the "DIMS" folder this does remove the group "L_NTFS_J_ZZZ_R" from the "ZZZ" folder AND does remove the group "L_NTFS_J_R" from the "ANWDTest" folder... and I do have absolutly no idea why this is happening.
Does anyone see an error in the setup or did face similar issues? I am totally lost here, even no idea where to start searching.. Google did also not help at all.
Thanks for the support!
UPDATE 1: To be sure that is not an issue of our file server - I did setup the same structure on an other 2016 server, and did face the same issue.
UPDATE 2: In the meantime I did the same setup on a 2012 R2 server and there is no issue at all, so this seems to be related to Server 2016.
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Creating dump
What would be the page file size required to create a dump? Does it depend upon the amount of RAM on the server?
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Cannot access shared drive when folder name consists of particular CHN char
Hi,
Full path on server D:\shared_e\home\admin bill\ang\港
Share path : \\TESTAD01\home\admin bill\ang\港
OS : Windows Server 2008 R2 Standard
The shared folder is not accessible with this particular Chinese character on a client machine. We tried replacing with another character, the shared drive is accessible. However, the folder is accessible from the server.
The Fonts have been applied on the server as well as on the client machine.
Any advice on what can cause this issue is greatly appreciated.
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ssd for cache and ssd for performance tier in S2D cluster
Hi I have plan to build s2d two node cluster with 4x 800 12gb SAS Write intensive SSD for cache, 2x960 GB SATA mixed use for performance tier and 10x 2.4 TB SAS 10k for capacity. It's possible to have such scenario. Is it supported?
Thank you OOSOO
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NTFS permission removed when deleting a subfolder
Hello everyone,
I do have a very strange issue with my file server. Let me first describe the infrastructure.
OS: Windows Server 2016
Roles: File and Storage Services
Type: Member of a 2016 Domain
On the file server I do have to following structure/permission:
- F:\
- ANWDTest
- ZZZ
- DIMS
- Wagenbuch
- ZZZ
- ANWDTest
The NTFS permissions to those folders is like that:
- ANWDTest
Inheritance disabled
CREATOR OWNER - Full control - Subfolders and files only
SYSTEM - Full control - This folder, subfolders and files
Administrators - Full control - This folder, subfolders and files
L_NTFS_J_R - Read & execute - This folder only - ZZZ
Inheritance enabled
L_NTFS_J_ZZZ_R - Read & execute - This folder only - DIMS
Inheritance enabled
L_NTFS_J_ZZZ_DIMS_R - Read & execute - This folder, subfolders and files
L_NTFS_J_ZZZ_DIMS_W - Modify - This folder, subfolders and files - Wagenbuch
Inheritance enabled
L_NTFS_J_ZZZ_Wagenbuch_R - Read & execute - This folder, subfolders and files
L_NTFS_J_ZZZ_Wagenbuch_W - Modify - This folder, subfolders and files
So far I think this is nothing special, now here is my issue:
When I delete the "Wagenbuch" or the "DIMS" folder this does remove the group "L_NTFS_J_ZZZ_R" from the "ZZZ" folder AND does remove the group "L_NTFS_J_R" from the "ANWDTest" folder... and I do have absolutly no idea why this is happening.
Does anyone see an error in the setup or did face similar issues? I am totally lost here, even no idea where to start searching.. Google did also not help at all.
Thanks for the support!
UPDATE 1: To be sure that is not an issue of our file server - I did setup the same structure on an other 2016 server, and did face the same issue.
UPDATE 2: In the meantime I did the same setup on a 2012 R2 server and there is no issue at all, so this seems to be related to Server 2016.
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DFS-R Backlog Appears Stuck
I inherited 2 DFS-R hosts connected via a WAN. We'll call them Michigan and California. We have several replication groups, one of which is massive, in the realm of 1.4million files and 1.6 Terabytes after deduplication. About 2 weeks ago, all of a sudden we had a 1.4 million file back log. For whatever reason, that backlog jumped back up to 1.4 million at least once since then. Fast forward to earlier this week and the backlog of files being sent from California to Detroit is ZERO. However, the backlog of files being sent from Detroit to California is seemingly stuck at right around 80,000 and growing (as users continue to make changes). For the life of me, I can't figure out what's the hold up. The DFSR logs are pretty much greek to me. I've seen suggestions to disable membership of the backlogged node, wait for the changes to replicate in AD and get picked up by the member servers, then re-enable it, to kick off an initial sync. The problem is, I'm under the impression if I do that I'll lose data that hasn't replicated from Detroit to California yet, since California would become the "master". Sure I can run a preemptive backup, but there's still a chance that someone will change something while that 18 hour backup runs.
Are there any ideas of what I can do. I'd love to narrow this down to figure out what exactly is the hold up. I'm at my wit's end with this thing.
Long term, the plan is to replace this current DFS solution with something else or to at least prune it down and/or break it into smaller parts. However, I'm stuck with what I've got for the moment.
Any help would be GREATLY appreciated.
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Unable to acess dfs path for a user
Hi,
I have setup homedrive for each user and I have two users. This is only happen on one PC for this user
user 1 which can access the dfs path and direct path to server share
user 2 which can't access the dfs path but it can access the to server share
Same user 2 can access the dfs path on different PC.
Things I tried.
1. reg add HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Csc\Parameters /v FormatDatabase /t REG_DWORD /d 1 /f rebooted the pc still same problem
2. install rsat tool and run dfs cache remove.
- dfsutil cache domain flush
- dfsutil cache referral flush
- dfsutil cache provider flush
- dfsutil /PktFlush
- dfsutil /SpcFlush
- dfsutil /PurgeMupCache
I dont know what else to try to fix this problem
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