Displaying 2 results from an estimated 2 matches for "prellocation".
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preallocation
2024 Aug 12
0
Creating a large pre-allocated qemu-img raw image takes too long and fails on fuse
...ing falloc preallocation, the qemu-img create fails and a fuse error results. This happens after around 3 hours.
I created a simple C program using gfapi that does the fallocate of 10T and it to 1.25 hours. I didn?t run tests at larger than that as 1.25 hours is too long anyway.
Using qemu-img in prellocation-falloc gfapi mode takes a long time too ? similar to qemu-img in gfapi mode.
However, I found if I create a 2.4T image file and then do 9 more resizes to bring it up to the full desired size (24T in this case), it only takes like 16 minutes total (I did this on the fuse mount). This includes the...
2013 Feb 05
1
Destination file a lot larger then source (real size)
I have a script that syncs my backups to an NFS mount every day
The script works fine, without any errors, but there is a problem when
it comes to some large files
Let's take my pst file (8.9 gig) as an example
Source:
du -hs mypst.pst
8.9G mypst.pst
ls -alh mypst.pst
-rw-rw---- 1 me me 8.9G Jan 25 17:07 mypst.pst
That seems OK
Let's do that on the destination:
du -hs mypst.pst