search for: copychunk

...he reflink code. > > > > > > Are you using SMB2 ? > > > > No I was using SMB1: my mistake. > > Now with SMB2, it works, thanks ! > > > > If I can ask, what is this restrictions with "Btrfs filesystem > > aligned" and "FSCTL_SRV_COPYCHUNK wire request byte offsets and > > lengths align to the Btrfs sector-size" ? > > Is it a restriction on the server or the client ? > > Server. > > > How can I check that I don't have this restriction ? > > Ensure clone range request sizes are integer >...

...OK, follow though using debug level 10 and see why it isn't > selecting the reflink code. > > Are you using SMB2 ? No I was using SMB1: my mistake. Now with SMB2, it works, thanks ! If I can ask, what is this restrictions with "Btrfs filesystem aligned" and "FSCTL_SRV_COPYCHUNK wire request byte offsets and lengths align to the Btrfs sector-size" ? Is it a restriction on the server or the client ? How can I check that I don't have this restriction ? Thanks for your help !

...divisible by 4096 on my server ? > > Should I change something on the BTRFS filesystem, or shift my > > partition or something ? > > Nope. It's not a critical error. In smbclient, scopy > requests a copy of the entire filesize. The libsmbclient > layer splits this into copychunk requests of default > size 1mb - which is certainly integer divisible by > 4096. > > The only time you'll get the server copy is if the > last chunk isn't divisible by 4096. It's not a problem. Thank you very much for all the help and explanations. It's much clearer...

...pany that develops and ships TrueNAS) does not add this flag to their default SMB configuration file. While I was trying to figure out why, I came across this warning from the current VFS_FRUIT man page in TrueNAS. "fruit:copyfile = yes | no A global option whether to enable OS X specific copychunk ioctl that requests a copy of a whole file along with all attached metadata. WARNING: the copyfile request is blocking the client while the server does the copy." One of the iX devs explained on their forum that this is relevant to SSC because when a SSC operation is in progress, TrueNAS?s...

...e why it isn't > > selecting the reflink code. > > > > Are you using SMB2 ? > > No I was using SMB1: my mistake. > Now with SMB2, it works, thanks ! > > If I can ask, what is this restrictions with "Btrfs filesystem aligned" > and "FSCTL_SRV_COPYCHUNK wire request byte offsets and lengths align > to the Btrfs sector-size" ? > Is it a restriction on the server or the client ? Server. > How can I check that I don't have this restriction ? Ensure clone range request sizes are integer divisible by 4096. If the btrfs clone range...

Is this supposed to be supported in Samba 4.7.1? Server side copies work fine using a Windows client. From mac OS 10.13.2, there's a full transfer of a file being copied. $ smbutil statshares -a ================================================================================================== SHARE ATTRIBUTE TYPE VALUE

...ps and ships TrueNAS) does not add this flag to their default SMB configuration file. While I was trying to figure out why, I came across this warning from the current VFS_FRUIT man page in TrueNAS. > > "fruit:copyfile = yes | no > A global option whether to enable OS X specific copychunk ioctl that requests a copy of a whole file along with all attached metadata. > WARNING: the copyfile request is blocking the client while the server does the copy." > > One of the iX devs explained on their forum that this is relevant to SSC because when a SSC operation is in pro...

...TrueNAS) does not add this > flag to their default SMB configuration file. While I was trying to figure > out why, I came across this warning from the current VFS_FRUIT man page in > TrueNAS. > > "fruit:copyfile = yes | no > A global option whether to enable OS X specific copychunk ioctl that > requests a copy of a whole file along with all attached metadata. > WARNING: the copyfile request is blocking the client while the server > does the copy." > > One of the iX devs explained on their forum that this is relevant to SSC > because when a SSC operat...