Hello All,
I have installed OMV with 4 harddrives. They are formatted as ext4 and I'm using greyhole. I tried transferring files to/from my notebook to NAS via my router. Short cable runs of 6' each. My read/write speed is 11 MB/s. Unfortunately I didn't test out transfer speeds before installing greyhole, so I don't know if it affects things or not.
Any ideas on why my transfers are slow, or things I can test out?
thanks
It is not greyhole causing this. Are you transferring via Samba shares??? Your notebook is wired to your router?
Yes, using Samba and notebook and NAS are wired to the router.
I assume you have gigabit LAN in your notebook, router as well as your NAS?
Please check your network connection on your notebook. Go into the status an check if it shows 100mbit or 1gbit.
If it shows 100mbit which I would assume here check your router for energy saving options which lower the speed on some network ports.
Greetings
David
My notebook and NAS is gigabit, but I just remembered that I'm using my backup router. It is 100mbit. I'm picking up a new router today.
Hehe, despite the fact your systems are capable of gbit it could be that something throttles them to a lower speed. Thats what I thought could be your problem, and in fact it is ^^.
Greetings
David
I thought I would jump on this topic because I am having the same issue. I am averaging about 8-9MB/sec with Greyhole. SnapRAID underneath (no pooling enabled, only for parity, so I assume has no impact in this situation), greyhole for pooling only (only 1 copy per file). I have entirely gigabit NICs, cables, and a brand new 802.11ac gigabit router. Any ideas how to figure out where to begin? I am doing my transfers from an iMac. I have disabled have considered disabling creation of .ds_store files. However, .ds_store is excluded from snapraid for parity check.
It seems to be issue with samba and small files. It would be helpful if people say what operating system and NIC they have.
OSX 10.9.1 on the other side.
OMV 0.5.3 with Gigabyte DGE 530T PCI external card to get away from my built in Realtek onboard gigabit card. I just tried to install backport kernel and now I cannot access my OMV at all (ping/web gui/ssh), even though it appears to successfully load on the server with monitor attached (so I can see the loading process).
Backport works now: http://forums.openmediavault.o…f=3&t=3943&p=32893#p32893.
Still getting around 8-12MB/sec transfer speed over samba. Looks like it didn't address the write speed issue. Internal snapraid syncing works at like 250MB/s, so I don't think its purely hardware at the MLB/HD level.
What speed are you getting with a large file? Give more info. on your setup, switch/router????
New update - 50MB/sec with AFP (obviously its not managed by greyhole via AFP)
I use a Netgear Nighthawk AC1900 with full gigabit wan/lan ports. both are direct connected via ethernet. iMac via cat5e and the OMV server is via Cat6. Router sees them both as gigabit connections.
Next update - non-greyhole pool'd share over SMB gets 50-65MB/sec to the same drive as when I only get around 8-12mb via greyhole'd SMB share.
--wondering if I should just try AUFS. Seems harder to setup, but I heard its quick and it may be a better fit?
AUFS install was pretty easy once I figured out what the binding part meant and that I needed to create a SMB share to the bind'ed share....
ANYWAYS... AUFS runs great at 50-80 MB/sec. Guess I'll just go that way and that way I don't need Greyhole or MySQL to run. So, sort of solved.
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