slow ntfs restore

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ma1
Posts: 2
Joined: Fri Jul 02, 2010 5:41 pm

slow ntfs restore

Postby ma1 » Fri Jul 02, 2010 6:17 pm

Hi All

I created a compressed fsa archive of following data

NTFS Filesystem
Data Size is 5227MB


using the below command

fsarchiver savefs --compress=1 /mnt/bkp/myarchive.fsa /dev/sda2

it took 6 minutes and 32 secs to create the backup and image size is 2.6G, excellent.

and then restore the fsa archive using the following command

fsarchiver restfs /mnt/bkp/myarchive.fsa id=0,dest=/dev/sda2

and it took 17 minutes to restore.

Can anyone kindly explain why it is too slow during restore?

Regards,

Coastie
Posts: 18
Joined: Wed Dec 16, 2009 8:18 pm

Re: slow ntfs restore

Postby Coastie » Fri Jul 02, 2010 11:33 pm

was it to a HDD, or SSD?
Using an SSD I found using the default kernel from SRCD without the trim command was slower to restore a backup. Once booted into windows and the SSD was cleaned after the use of a non-trim aware OS, the next restore using the alt-kernel (newer w/trim support) from SRCD was much quicker.

ma1
Posts: 2
Joined: Fri Jul 02, 2010 5:41 pm

Re: slow ntfs restore

Postby ma1 » Mon Jul 05, 2010 4:23 am

Coastie wrote:was it to a HDD, or SSD?
Using an SSD I found using the default kernel from SRCD without the trim command was slower to restore a backup. Once booted into windows and the SSD was cleaned after the use of a non-trim aware OS, the next restore using the alt-kernel (newer w/trim support) from SRCD was much quicker.



The backup image was created on external USB HDD and restored on internal HDD.


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