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TrueCrypt container
Hi I currently store a few TrueCrypt containers on my ReadyNAS 316. I use TryCrypt to mount these containers when i wish to copy/paste additional files into the container. This has always worked f...
I have a new local build of the SMB Plus app that adds an option for this setting. Get it from here, and install from the Apps tab, using the Upload button. Then launch the SMB Plus app, go to the Write Options tab, and disable Strict Sync.
We plan to make this a per-share option in a future firmware release.
McGarnagle wrote:
I have no idea what NIC bonding is.
Do you have two ethernet cables connected to the NAS or only one? If you don't know what NIC bonding is, you should only have one cable connected.
McGarnagle wrote:
I have snapshots enabled on all my shares. Snapshot Management is set to "Smart" and the Snapthot Schedule is set to "Daily". Additionall, the "Allow Snapshot Access" checkbox is not ticked.
Snapshots should be turned off on any shares that hold your TrueCrypt or Veracrypt containers. Otherwise, the container files will become very fragmented over time, and that will hurt their performance.
After you turn off the snapshots in these shares, you should manually delete all the existing snapshots in them. After that, run a balance and then a defrag (using the maintenance functions on the volume settings wheel).
McGarnagle wrote:
I'm running firmware 6.9.0, which i do believe i updated not to long ago. Is there a chance that the change from the previous version could be the cause of my issue?
There were some network issues in the 6.9.0 x86 ethernet drivers which should have been fixed automatically (Netgear pushed a hot-fix). If your NAS can reach the internet, then the hot fix should have been picked up by now.
You can confirm this by downloading the NAS log zip bundle, and looking at apt-history.log. Towards the bottom you should see something like
Start-Date: 2017-11-06 04:48:07
Commandline: apt-get -qq install -fy rn-dictionary freeapp-collection readynasos ca-certificates
Upgrade: readynasos:amd64 (6.9.0+2, 6.9.0+4)
End-Date: 2017-11-06 04:48:10
The 6.9.0+4 part is the relevant hot fix.
Thanks Stephen
I only have the one ethernet cable attached, so no NIC bonding i guess.
I did have snapshots turned on. However i've just created a new share on the NAS and disabled snapshots. I also created a new 3GB TrueCrypt container in this share. The problem of slow copy speed still occurs in this new container. For the first 1-2 seconds the filecopies as regular speeds, before dropping off to about 300-700 KB/s.
I also checked the hotfix, using the log file. It has similar text to what you pasted below, indicating that i have the 6.9.0+4 hotfix.
Ok. Do you see any speed drops when you access the NAS shares with similar size files?
Also, the PC is connected with gigabit ethernet?
I would say that i don't see any speed drops for NAS shares with similar size files.
For example, i can create a duplicate 1GB file inside a share by copy/pasting (location of both files is the same. The speed is fine in this case. If i do the same thing to a similar size file already saved in the container the speed drops.
Also, the PC is connected with gigabit.
McGarnagle wrote:
For example, i can create a duplicate 1GB file inside a share by copy/pasting (location of both files is the same. The speed is fine in this case. If i do the same thing to a similar size file already saved in the container the speed drops.
Ok.
I don't use TrueCrypt, so I have no hands-on experience here. The encryption and container management is happening on the PC, the NAS is only supplying block storage (similar to an iSCSI LUN in that respect). One puzzle here is sorting out what the PC overhead actually is. It likely depends on whether the PC supports hardware accelerated encryption (or not).
You could create a TrueCrypt container on the PC, and see what performance that gives you. If you have a second PC, you could try sharing the folder that container is in with Windows Filesharing, and compare that performance with the container on the NAS.
The initial burst of speed at the beginning of the measurement is likely a caching side-effect, your sustained speed is the real speed.
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