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WHS backup too slow? "Determining which clusters have changed"

post #1 of 27
Thread Starter 
So I just started my first backup today and when i configured to back up my C drive and F drive (storage) and unchecked the 100mb system reserved... it's going really slow.

when i back up my C drive alone, it was fast.. but this one is too slow..

almost 2 hours and it's at 10%. (C + F drive total is around 550GB)

i googled something about updating realtek NIC drivers... but isn't that the case only if both WHS and desktop use realtek?

my desktop uses realtek, whs uses atheros...

i currently have "realktek RTL8168D/8111D Family PCI-E Gigabit Ethernet NIC (NDIS 6.20)"

should i update to latest one?
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post #2 of 27
Thread Starter 
hmm... now at 17% it says "Sending data to the server", which is the last step until everything is backed up.
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post #3 of 27
Thread Starter 
is there anything bad about enabling jumbo frames?
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post #4 of 27
The first time you back up a drive, it has to create a full base back up. So it's reading every single used cluster on the hard drive, and creating a map to store in the back up database. After the first back up it's incremental, so only the changes in the drive map, but the first always takes a long time. My first one on my computer was 50 GB and took nearly 30 min. After that, 10 ish.
post #5 of 27
Thread Starter 
Quote:
Originally Posted by herkalurk;12974406 
The first time you back up a drive, it has to create a full base back up. So it's reading every single used cluster on the hard drive, and creating a map to store in the back up database. After the first back up it's incremental, so only the changes in the drive map, but the first always takes a long time. My first one on my computer was 50 GB and took nearly 30 min. After that, 10 ish.

so what i have in front of me (C drive 111GB from 2x g.skill raid 0 and F drive 530GB from 2x Samsung f3) total of around 600GB.... will probably take me more than 24 hours?

i know the first time backup will take the longest.. like you said.. it has to create a base... then every other backup will be incremental (stuff you changed or added since last backup)...

correct?

BUT... can i do this?

configure backup to only backup C drive first.. which took me like 1 hr..

THEN

reconfigure backup to only backup F drive (storage)...

so when its complete i can know which is which....

or it doesnt work like that?
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post #6 of 27
I'm not sure of the exactly how WHS determines the the order of the backup. Irregardless Just have patience. Also, you say you have a gigabit nic, but do you have a gigabit switch? On a 100 mbit network 500GB will take 24 hours, simple as that. Depending on your needs you may need to get a small gigabit switch for the computers you connect to the home server.
post #7 of 27
FYI.... Realtek NICs have issues with WHS Restores. It is a known issue because Realtek drivers suck.

When doing a restore, WHS will install Realtek drivers but the NIC will not be able to find the server. Even if you use the latest drivers, it still can't find the server.

I had this issue myself... spent 4 hrs working on it until I figured out the problem. I installed a Broadcom NIC and drivers..... it works all fine.
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post #8 of 27
Quote:
Originally Posted by DuckieHo;12977687 
FYI.... Realtek NICs have issues with WHS Restores. It is a known issue because Realtek drivers suck.

When doing a restore, WHS will install Realtek drivers but the NIC will not be able to find the server. Even if you use the latest drivers, it still can't find the server.

I had this issue myself... spent 4 hrs working on it until I figured out the problem. I installed a Broadcom NIC and drivers..... it works all fine.

I'm just wondering if the poster is using a 100 mbit switch though....

When I first set up my WHS, I only had a wireless router with 100 mbit and my wifes 250 gb of photos took 8.5 hours. Didn't know that Realtek NICs had problem, but I wonder if that is only part of the problem in his speed.
post #9 of 27
Thread Starter 
wow thanks for all the tips!

I am finally backed up! (decided to leave it overnight) and when i checked this morning, the spankin' "Backed up' status is showing biggrin.gif

i checked details and it was around 12 hours for 500GB.

and @herkalurk: no switch, my mom's room had a 100ft ethernet connected directly to the router biggrin.gif
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post #10 of 27
Thread Starter 
Quote:
Originally Posted by DuckieHo;12977687 
FYI.... Realtek NICs have issues with WHS Restores. It is a known issue because Realtek drivers suck.

When doing a restore, WHS will install Realtek drivers but the NIC will not be able to find the server. Even if you use the latest drivers, it still can't find the server.

I had this issue myself... spent 4 hrs working on it until I figured out the problem. I installed a Broadcom NIC and drivers..... it works all fine.

is that if both WHS and PC use realtek NICs? my desktop uses it, but for WHS, it uses Atheros.

can you further explain about the broadcom NIC and drivers part so in any case if this happens to me, i'll know how to handle it biggrin.gif

thanks.
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