5
votes
4answers
3k views

Rsync -avzHP follows hardlinks instead of copying them as hardlinks

I use rsnapshot to create hourly/daily/weekly/monthly backups of my "work"-share. Now I'm trying to copy the whole backup-directory onto an external drive using rsync. I used this command/parameters ...
1
vote
1answer
183 views

“hot swapping” linux md raid1 - does re-mounting file-system temporarily read-only enable safe disconnection?

There's is an ext3 filesystem on top of Linux md raid1, array consists of two hard drives. Various services, including databases run on and write to it. Let's say for argument's sake that to minimize ...
15
votes
1answer
3k views

From bad sector to “damaged file” - did it for Linux/ext3, can I do it for Windows/NTFS?

When a SMART check on a disk reports a bad sector, it is important to be able to identify the file that has the bad sector - and restore it from backups. Below, I show how I did this for my Linux/ext3 ...
2
votes
2answers
178 views

How come /bin/rm -rf /backups/hourly.5/ takes forever on a backup server?

They're simply hardlinks so the files shouldn't actually even be deleted. What options do I have? It even seems to take quite some load. I don't see how deleting 30.000 hard-links should take more ...
0
votes
4answers
2k views

mirroring linux server to external usb harddrive

My google-fu must be sucking. i havent been able to find a good solution for the following: numerous Linux server on commodity hardware Trying to do a recovery mirror copy to external harddrives ...
0
votes
1answer
444 views

USB drive only for Linux backups: To partition or not to partition?

I have a 2TB USB drive plugged into CentOS 5.5 that will be formatted with ext3 and will only be used for file-level backups. I've always partitioned my drives but a while ago when I had setup Amazon ...
1
vote
2answers
879 views

How to copy directories using debugfs?

The debugfs manpage gives the impression that the command 'rdump . .' will recursively copy all files found on the specified filesystem from the debugfs cwd to the native filesystem's cwd. Instead I ...