tags 547172 confirmed thanks Thanks for Your bugreport. I'll fix this problem ASAP. :)
On 14:03 Thu 17 Sep , Pozsar Balazs wrote: PB> Package: mhddfs PB> See the following example: PB> 1. Create to source filesystems: PB> mkfs.ext2 /dev/ram1 PB> mkfs.ext2 /dev/ram2 PB> mkdir -p /mnt/1 PB> mkdir -p /mnt/2 PB> mount /dev/ram1 /mnt/1 PB> mount /dev/ram2 /mnt/2 PB> 2. Create a file on each disks: PB> echo "FIRST DISK" >/mnt/1/first.txt PB> echo "SECOND DISK" >/mnt/2/second.txt PB> 3. Mount mhddfs: PB> mkdir -p /mnt/mhddfs PB> mhddfs /mnt/1,/mnt/2 /mnt/mhddfs PB> 4. Check the previously created files: PB> # cat /mnt/mhddfs/first.txt PB> FIRST DISK PB> # cat /mnt/mhddfs/second.txt PB> SECOND DISK PB> Everything is ok so far. PB> 5. Rename second.txt to first.txt: PB> mv /mnt/mhddfs/second.txt /mnt/mhddfs/first.txt PB> 6. Now /mnt/mhddfs/first.txt should contain: PB> SECOND DISK PB> BUT: it contains: # cat /mnt/mhddfs/first.txt PB> FIRST DISK PB> The problem is clear if we look at the source directories: PB> # ls -l /mnt/1/first.txt PB> -rw-r--r-- 1 root root 11 2009-09-17 11:50 /mnt/1/first.txt PB> # ls -l /mnt/2/first.txt PB> -rw-r--r-- 1 root root 12 2009-09-17 11:50 /mnt/2/first.txt PB> The file "second.txt" was renamed to "first.txt" under /mnt/2, but PB> /mnt/1/first.txt was left there, and when requesting PB> /mnt/mhddfs/first.txt, mhddfs finds /mnt/1/first.txt first, so we get PB> the old file. PB> I think that when renaming, mhddfs should delete files named as the PB> targetfrom all disks. That whould prevent the above bug. -- ... mpd is off . ''`. Dmitry E. Oboukhov : :’ : email: [email protected] jabber://[email protected] `. `~’ GPGKey: 1024D / F8E26537 2006-11-21 `- 1B23 D4F8 8EC0 D902 0555 E438 AB8C 00CF F8E2 6537
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