[Samba] (DeviceIoControl, FSCTL_SET_SPARSE)

noid at wolfdogg.org noid at wolfdogg.org
Thu Feb 16 09:54:24 UTC 2017

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.


-----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:


and are you using 'vfs_acl_xattr' ?


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