Re: Is btrfs-convert able to deal with sparse files in a ext4 filesystem?

2017-04-07 Thread Kai Herlemann
Hi @all who answered, thank for your help and please excuse my late answer. I didn't see your answers because of misconfiguration of my GMail filter for that list. The filesystem contains backups of some other filesystems (it's on a external storage which is mirrored by RAID 1). So, if the

Re: Is btrfs-convert able to deal with sparse files in a ext4 filesystem?

2017-04-06 Thread Duncan
Andrei Borzenkov posted on Sun, 02 Apr 2017 09:30:46 +0300 as excerpted: > 02.04.2017 03:59, Duncan пишет: >> >> 4) In fact, since an in-place convert is almost certainly going to take >> more time than a blow-away and restore from backup, > > This caught my eyes. Why? In-place convert just

Re: Is btrfs-convert able to deal with sparse files in a ext4 filesystem?

2017-04-03 Thread Austin S. Hemmelgarn
On 2017-04-01 05:48, Kai Herlemann wrote: Hi, I have on my ext4 filesystem some sparse files, mostly images from ext4 filesystems. Is btrfs-convert (4.9.1) able to deal with sparse files or can that cause any problems? I would tend to agree with some of the other people who have commented here,

Re: Is btrfs-convert able to deal with sparse files in a ext4 filesystem?

2017-04-03 Thread Roman Mamedov
On Sun, 2 Apr 2017 09:30:46 +0300 Andrei Borzenkov wrote: > 02.04.2017 03:59, Duncan пишет: > > > > 4) In fact, since an in-place convert is almost certainly going to take > > more time than a blow-away and restore from backup, > > This caught my eyes. Why? In-place

Re: Is btrfs-convert able to deal with sparse files in a ext4 filesystem?

2017-04-02 Thread Qu Wenruo
At 04/01/2017 05:48 PM, Kai Herlemann wrote: Hi, I have on my ext4 filesystem some sparse files, mostly images from ext4 filesystems. Is btrfs-convert (4.9.1) able to deal with sparse files or can that cause any problems? AFAIK, btrfs convert can handle it well, not matter if it's sparse or

Re: Is btrfs-convert able to deal with sparse files in a ext4 filesystem?

2017-04-02 Thread Andrei Borzenkov
02.04.2017 03:59, Duncan пишет: > > 4) In fact, since an in-place convert is almost certainly going to take > more time than a blow-away and restore from backup, This caught my eyes. Why? In-place convert just needs to recreate metadata. If you have multi-terabyte worth of data copying them

Re: Is btrfs-convert able to deal with sparse files in a ext4 filesystem?

2017-04-01 Thread Duncan
Sean Greenslade posted on Sat, 01 Apr 2017 12:13:57 -0700 as excerpted: > On Sat, Apr 01, 2017 at 11:48:50AM +0200, Kai Herlemann wrote: >> I have on my ext4 filesystem some sparse files, mostly images from ext4 >> filesystems. >> Is btrfs-convert (4.9.1) able to deal with sparse files or can

Re: Is btrfs-convert able to deal with sparse files in a ext4 filesystem?

2017-04-01 Thread Sean Greenslade
On Sat, Apr 01, 2017 at 11:48:50AM +0200, Kai Herlemann wrote: > Hi, > I have on my ext4 filesystem some sparse files, mostly images from > ext4 filesystems. > Is btrfs-convert (4.9.1) able to deal with sparse files or can that > cause any problems? >From personal experience, I would recommend

Is btrfs-convert able to deal with sparse files in a ext4 filesystem?

2017-04-01 Thread Kai Herlemann
Hi, I have on my ext4 filesystem some sparse files, mostly images from ext4 filesystems. Is btrfs-convert (4.9.1) able to deal with sparse files or can that cause any problems? Thanks in advance, Kai -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a