Re: BTRFS fsck tool

2011-03-12 Thread Spelic
On 03/10/2011 02:02 PM, Chris Mason wrote: Cutting the power isn't problem unless you're using something where cache flushes are not supported. Some disks lie about cache flush having completed. But why doesn't the option for mounting with an earlier superblock work? Could you improve that

Re: BTRFS fsck tool

2011-03-07 Thread Spelic
On 03/05/2011 12:59 AM, Alexey A Nikitin wrote: Hi, everybody I have BTRFS RAID0 setup with two disks. After some incident where I had to force shutdown machine this array won't mount anymore Have you reset the machine or cut the power? I don't really know btrfs, but in btrfs wiki there is

Re: [GIT PULL] Btrfs updates

2011-01-19 Thread Spelic
On 01/18/2011 04:22 PM, C Anthony Risinger wrote: On Tue, Jan 18, 2011 at 4:14 AM, Felix Blankefelixbla...@gmail.com wrote: i don't know about the readonly snapshots, but the LZO stuff is a mount option; should be in the pull. and for the record, i'm totally stoked to run LZO on all my

Re: Offline Deduplication for Btrfs

2011-01-05 Thread Spelic
On 01/05/2011 09:46 PM, Gordan Bobic wrote: On 01/05/2011 07:46 PM, Josef Bacik wrote: Offline dedup is more expensive - so why are you of the opinion that it is less silly? And comparison by silliness quotiend still sounds like an argument over which is better. If I can say my opinion, I

Re: Offline Deduplication for Btrfs

2011-01-05 Thread Spelic
On 01/06/2011 02:03 AM, Gordan Bobic wrote: That's just alarmist. AES is being cryptanalyzed because everything uses it. And the news of it's insecurity are somewhat exaggerated (for now at least). Who cares... the fact of not being much used is a benefit for RIPEMD / blowfish-twofish

Alignment to MD stripes possible?

2010-11-23 Thread Spelic
Hello btrfs people btrfs still does not implement raid5,6 so here comes the question: all filesystems have mkfs flags for aligning to an underlying RAID. Is it there also for btrfs? I don't seem able to find it. Is it autodetected for MD/LVM2 like in xfs and ext4? I think that some people in