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noid at wolfdogg.org

2017-Feb-16 09:20 UTC

[Samba] (DeviceIoControl, FSCTL_SET_SPARSE)

Hi David,

Configured as you mention, and prior with the other tweaks I had in the first
place,  Im getting the same results, which is "FSUTIL utility requires a
Local NTFS Volume", and mapping it.

I then went to contig, `contig -n X:\share\sparesefile 0`, as well as a few
other size.  Maybe im using it wrong, but some testing on contig has only
"Access is denied" when I try to write to anything.

Oh one change, I put these settings only in Global (only, as opposed to also in
the pool definition), I just realized.  I believe global should be enough
shouldn’t it?

[global]
    # ZFS SPARSE
    #share:fake_fscaps = 0
    store dos attributes = yes
    strict allocate = yes

I hadn’t heard any mention of the importance of strict allocate, would that
setting be wise then?

What are some other tools I might try that with?  I can try straight on the
linux too, just as a test, if there is any tools recommended to test that with. 
I will also look something up for that tomorrow as well.

Thanks for the info, much appreciated.
-Brian

-----Original Message-----
From: samba [mailto:samba-bounces at lists.samba.org] On Behalf Of David
Disseldorp via samba
Sent: Wednesday, February 15, 2017 5:23 AM
To: brian lamb via samba <samba at lists.samba.org>
Subject: Re: [Samba] (DeviceIoControl, FSCTL_SET_SPARSE)

On Tue, 14 Feb 2017 23:16:22 -0800, brian lamb via samba wrote:
> Thanks for your response. 
> 
> The Error message is for e.g.:
> 
> Cannot write file attributes of "\\MYHOST\backup\sparse\My Family Tree
6.0.zip.ffs_tmp".
> Error Code 1: Incorrect function. (DeviceIoControl, FSCTL_SET_SPARSE)
Hmm, that seems to indicate that the initial fsctl request is failing.
Could you please try manually setting a file on the Samba share as sparse with
"fsutil sparse setflag <file_on_samba_share>":
https://technet.microsoft.com/en-us/library/cc788025(v=ws.11).aspx

Does it succeed when Samba is configured as per below?
> Samba Version:
> Samba version 4.4.4
> PID     Username     Group        Machine                                  
Protocol Version  Encryption           Signing
>
----------------------------------------------------------------------------------------------------------------------------------------
> 21582   backupadmin sys1       myhost (ipv4:192.168.1.99:55068)        
SMB2_10           -                    -
> 
> I just tried the option   " store dos attributes = no"
> Im getting the same error as above still unfortunately, but im doing 
> some more thorough testing on that.  WOud you happen to know if I want 
> the other two options set, and to what, at all? (> strict allocate &
> share:fake_fscaps = 0)
Given that the application is complaining about FSCTL_SET_SPARSE failure, I
would guess that it requires sparse-file support. Please set "store dos
attributes = yes" and drop the fake_fscaps setting.

Cheers, David

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Rowland Penny

2017-Feb-16 09:38 UTC

head link

[Samba] (DeviceIoControl, FSCTL_SET_SPARSE)

On Thu, 16 Feb 2017 01:20:46 -0800
brian lamb via samba <samba at lists.samba.org> wrote:
> Hi David,
> 
> Configured as you mention, and prior with the other tweaks I had in
> the first place,  Im getting the same results, which is "FSUTIL
> utility requires a Local NTFS Volume", and mapping it.
> 
On the ZFS machine, are you using 'vfs_zfsacl' ?

On the ext3 (why ext3 not ext4 ?) have you read this:

https://wiki.samba.org/index.php/File_System_Support#ext3

and are you using 'vfs_acl_xattr' ?

Rowland

noid at wolfdogg.org

2017-Feb-16 09:54 UTC

head link

[Samba] (DeviceIoControl, FSCTL_SET_SPARSE)

Hi Rowland,

I see this in the ZFS props, if that’s related, you might be referring to
something in ext3 that im not aware of at the moment.

pool/myshare                            aclinherit            restricted        
default
pool/myshare                            acltype               off               
default

So, if you heard that I was going to use ext3, that was only as a solution, and
that over ext4 due personal preference, since I made a mistake once on a reboot
during write and suffered bad data loss.  I gave up on ext4, in favor of ext3
shortly after, and have since, for years.  However, I wanted to mention one
thing, and you may have shed light on part of the issue. There is no Format
other than zfs create, no ext3, I have not made a filesystem on it.  I just went
ahead and straight wrote to it.  I have a post on stack overflow asking this
exact question, if indeed I really need to format a zfs, but I'm not getting
concrete answers yet I think.

Let me know if that helped answer, or else I can do some more digging around for
you on that.

Thanks much.

Brian

-----Original Message-----
From: samba [mailto:samba-bounces at lists.samba.org] On Behalf Of Rowland Penny
via samba
Sent: Thursday, February 16, 2017 1:38 AM
To: samba at lists.samba.org
Subject: Re: [Samba] (DeviceIoControl, FSCTL_SET_SPARSE)

On Thu, 16 Feb 2017 01:20:46 -0800
brian lamb via samba <samba at lists.samba.org> wrote:
> Hi David,
> 
> Configured as you mention, and prior with the other tweaks I had in 
> the first place,  Im getting the same results, which is "FSUTIL 
> utility requires a Local NTFS Volume", and mapping it.
> 
On the ZFS machine, are you using 'vfs_zfsacl' ?

On the ext3 (why ext3 not ext4 ?) have you read this:

https://wiki.samba.org/index.php/File_System_Support#ext3

and are you using 'vfs_acl_xattr' ?

Rowland

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David Disseldorp

2017-Feb-16 12:54 UTC

head link

[Samba] (DeviceIoControl, FSCTL_SET_SPARSE)

Hi Brian,

On Thu, 16 Feb 2017 01:20:46 -0800, brian lamb via samba wrote:
> Configured as you mention, and prior with the other tweaks I had in the
first place,  Im getting the same results, which is "FSUTIL utility
requires a Local NTFS Volume", and mapping it.
Hmm, this works fine for me against a Samba 4.4.2 Btrfs backed Samba
share.

smb.conf:
[global]
	...
        store dos attributes = yes

[share]
        path = /tmp/tmp.UR3ZbULpHJ
        read only = no

Windows Server 2012 client:
("store dos attributes = no" configured on server)
PS> fsutil.exe sparse setflag \\samba_server\share\file
Error:  Incorrect function.

("store dos attributes = yes" configured on server)
PS> fsutil.exe sparse setflag \\samba_server\share\file
PS> fsutil.exe sparse queryflag \\samba_server\share\file
This file is set as sparse

I don't think it's worth trying to triage your application problems
any further until you have this simple test case working. Please set
"log level = 10" on the Samba server, and rerun the above test.
Attach the resulting debug log to a bugzilla.samba.org ticket.

Also, please check whether you can manually set an extended attribute
locally against a file in your share path. e.g.
samba_server:/tmp/tmp.UR3ZbULpHJ/:[0]# setfattr -n user.stuff -v xattr-data file
samba_server:/tmp/tmp.UR3ZbULpHJ/:[0]# getfattr -d file
user.stuff="xattr-data"

Furthermore, could you please check whether Samba is compiled with xattr
support - i.e.:
samba_server:# smbd -b | grep -i xattr
> I then went to contig, `contig -n X:\share\sparesefile 0`, as well as a few
other size.  Maybe im using it wrong, but some testing on contig has only
"Access is denied" when I try to write to anything.
> 
> Oh one change, I put these settings only in Global (only, as opposed to
also in the pool definition), I just realized.  I believe global should be
enough shouldn’t it?
[globa]l section is fine, as long as it's not also set in the share
section.
> [global]
>     # ZFS SPARSE
>     #share:fake_fscaps = 0
>     store dos attributes = yes
>     strict allocate = yes
> 
> I hadn’t heard any mention of the importance of strict allocate, would that
setting be wise then?
It doesn't affect how FSCTL_SET_SPARE is handled.
> What are some other tools I might try that with?  I can try straight on the
linux too, just as a test, if there is any tools recommended to test that with. 
I will also look something up for that tomorrow as well.
Let's get "fsutil.exe sparse setflag" working first.

Cheers, David

noid at wolfdogg.org

2017-Feb-22 01:20 UTC

head link

[Samba] (DeviceIoControl, FSCTL_SET_SPARSE)

For some reason It's not erroring now, I will look into it more, but I
suspect it鈥檚 the settings, the last thing mentioned
David
> [globa]l section is fine, as long as it's not also set in the share
section.
So, yeah, that may have fixed im for the time being not getting the sparse
errors, for the first time in 4 months, however, there is a couple other
problems, so hopefully they wont come back after these disappear.  To be
specific the latest issues can be seen by the snippet below on the Freefilesync
log.  Im trying to dial in the symlink operation, and any other remaining
errors.

This demonstrates two issues
1)  Cannot write file Error Code 2: The system cannot find the file specified.
(BackupWrite)
2)  Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)

The symbolic link setting I think I tried both ways, I think I have another
toggle on the 3rd party app(ffs) which I need to also have in the correct
setting, and to get the combination correct.  Im not sure what the problem is on
the BackupWrite.  I had a perminssion error at first, I  `chown`ed the dir, and
that went away, I still see the word BackupWrite, which I haven鈥檛 seen before,
not sure its origin.


1:00:58 AM	Error	Cannot write file
"\\FALCON\pool\appletree\data\public\Downloads\photoshop lightroom
plugins\Totally RAD LR Presets\PRE.zip.ffs_tmp".
		Error Code 2: The system cannot find the file specified. (BackupWrite)
1:04:22 AM	Error	Cannot write file
"\\FALCON\pool\appletree\data\public\Games\Flight
Sims\F4\Falcon_BMS_4.33_U1_Setup.zip.ffs_tmp".
		Error Code 2: The system cannot find the file specified. (BackupWrite)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\Application Data" to 
		"\\FALCON\pool\appletree\data\users\Guest\Application Data".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\Cookies" to 
		"\\FALCON\pool\appletree\data\users\Guest\Cookies".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\Local Settings" to 
		"\\FALCON\pool\appletree\data\users\Guest\Local Settings".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\My Documents" to 
		"\\FALCON\pool\appletree\data\users\Guest\My Documents".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\NetHood" to 
		"\\FALCON\pool\appletree\data\users\Guest\NetHood".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\PrintHood" to 
		"\\FALCON\pool\appletree\data\users\Guest\PrintHood".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\Recent" to 
		"\\FALCON\pool\appletree\data\users\Guest\Recent".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\SendTo" to 
		"\\FALCON\pool\appletree\data\users\Guest\SendTo".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\Start Menu" to 
		"\\FALCON\pool\appletree\data\users\Guest\Start Menu".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\Templates" to 
		"\\FALCON\pool\appletree\data\users\Guest\Templates".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\AppData\Local\Application Data" to 
		"\\FALCON\pool\appletree\data\users\Guest\AppData\Local\Application
Data".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\AppData\Local\History" to 
		"\\FALCON\pool\appletree\data\users\Guest\AppData\Local\History".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW))


1:00:58 AM	Error	Cannot write file
"\\FALCON\pool\appletree\data\public\Downloads\photoshop lightroom
plugins\SLR Lounge - Lightroom Preset System v5.1 - PC [lessgravity]\LR Preset
System v5.1 Windows Installer.exe.ffs_tmp".
		Error Code 2: The system cannot find the file specified. (BackupWrite)
1:00:58 AM	Error	Cannot write file
"\\FALCON\pool\appletree\data\public\Downloads\photoshop lightroom
plugins\Totally RAD LR Presets\PRE.zip.ffs_tmp".
		Error Code 2: The system cannot find the file specified. (BackupWrite)
1:04:22 AM	Error	Cannot write file
"\\FALCON\pool\appletree\data\public\Games\Flight
Sims\F4\Falcon_BMS_4.33_U1_Setup.zip.ffs_tmp".
		Error Code 2: The system cannot find the file specified. (BackupWrite)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\Application Data" to 
		"\\FALCON\pool\appletree\data\users\Guest\Application Data".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\Cookies" to 
		"\\FALCON\pool\appletree\data\users\Guest\Cookies".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\Local Settings" to 
		"\\FALCON\pool\appletree\data\users\Guest\Local Settings".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\My Documents" to 
		"\\FALCON\pool\appletree\data\users\Guest\My Documents".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\NetHood" to 
		"\\FALCON\pool\appletree\data\users\Guest\NetHood".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\PrintHood" to 
		"\\FALCON\pool\appletree\data\users\Guest\PrintHood".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\Recent" to 
		"\\FALCON\pool\appletree\data\users\Guest\Recent".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\SendTo" to 
		"\\FALCON\pool\appletree\data\users\Guest\SendTo".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\Start Menu" to 
		"\\FALCON\pool\appletree\data\users\Guest\Start Menu".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\Templates" to 
		"\\FALCON\pool\appletree\data\users\Guest\Templates".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\AppData\Local\Application Data" to 
		"\\FALCON\pool\appletree\data\users\Guest\AppData\Local\Application
Data".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)
1:04:22 AM	Error	Cannot copy symbolic link 
		"D:\users\Guest\AppData\Local\History" to 
		"\\FALCON\pool\appletree\data\users\Guest\AppData\Local\History".
		Error Code 183: Cannot create a file when that file already exists.
(CreateSymbolicLinkW)

So, if anybody sees anything related, let me know, 
and THANKS MUCH otherwise, for all the support,  I hadn鈥檛 seen the dos
attributes option until I had already posted my first message, but still, its
not always apparent if I should actually put this setting in global, I think I
might try it just in the definition for the zfs share next though, that would be
ideal.  The problem is, I think it took a full reboot, or maybe even zfs export
and import, or something to actually trigger in these new settings, something
changed at an unexpected time, that鈥檚 all I know, the reason I say this is
because things just didn鈥檛 start working after a samba config update and a
`systemctl restart smb && systemctl restart nmb`, it was hours or days
later on another test which I noticed it started working.


Regards,
Brian






-----Original Message-----
From: samba [mailto:samba-bounces at lists.samba.org] On Behalf Of David
Disseldorp via samba
Sent: Thursday, February 16, 2017 4:54 AM
To: brian lamb via samba <samba at lists.samba.org>
Subject: Re: [Samba] (DeviceIoControl, FSCTL_SET_SPARSE)

Hi Brian,

On Thu, 16 Feb 2017 01:20:46 -0800, brian lamb via samba wrote:
> Configured as you mention, and prior with the other tweaks I had in the
first place,  Im getting the same results, which is "FSUTIL utility
requires a Local NTFS Volume", and mapping it.
Hmm, this works fine for me against a Samba 4.4.2 Btrfs backed Samba share.

smb.conf:
[global]
	...
        store dos attributes = yes

[share]
        path = /tmp/tmp.UR3ZbULpHJ
        read only = no

Windows Server 2012 client:
("store dos attributes = no" configured on server)
PS> fsutil.exe sparse setflag \\samba_server\share\file
Error:  Incorrect function.

("store dos attributes = yes" configured on server)
PS> fsutil.exe sparse setflag \\samba_server\share\file fsutil.exe 
PS> sparse queryflag \\samba_server\share\file
This file is set as sparse

I don't think it's worth trying to triage your application problems any
further until you have this simple test case working. Please set "log level
= 10" on the Samba server, and rerun the above test.
Attach the resulting debug log to a bugzilla.samba.org ticket.

Also, please check whether you can manually set an extended attribute locally
against a file in your share path. e.g.
samba_server:/tmp/tmp.UR3ZbULpHJ/:[0]# setfattr -n user.stuff -v xattr-data file
samba_server:/tmp/tmp.UR3ZbULpHJ/:[0]# getfattr -d file
user.stuff="xattr-data"

Furthermore, could you please check whether Samba is compiled with xattr support
- i.e.:
samba_server:# smbd -b | grep -i xattr
> I then went to contig, `contig -n X:\share\sparesefile 0`, as well as a few
other size.  Maybe im using it wrong, but some testing on contig has only
"Access is denied" when I try to write to anything.
> 
> Oh one change, I put these settings only in Global (only, as opposed to
also in the pool definition), I just realized.  I believe global should be
enough shouldn鈥檛 it?
[globa]l section is fine, as long as it's not also set in the share section.
> [global]
>     # ZFS SPARSE
>     #share:fake_fscaps = 0
>     store dos attributes = yes
>     strict allocate = yes
> 
> I hadn鈥檛 heard any mention of the importance of strict allocate, would that
setting be wise then?
It doesn't affect how FSCTL_SET_SPARE is handled.
> What are some other tools I might try that with?  I can try straight on the
linux too, just as a test, if there is any tools recommended to test that with. 
I will also look something up for that tomorrow as well.
Let's get "fsutil.exe sparse setflag" working first.

Cheers, David

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