Re: UFS+J panics on HEAD

2012-05-25 Thread Jeremie Le Hen
On Thu, May 24, 2012 at 09:58:52PM +0200, Matthew Seaman wrote: On 24/05/2012 00:05, Mark Linimon wrote: On Wed, May 23, 2012 at 10:58:48PM +0100, Steven Hartland wrote: While it might be a shame to see FFS go by the wayside are there any big reasons why you would rather stick with FFS

Re: UFS+J panics on HEAD

2012-05-24 Thread Lev Serebryakov
Hello, Steven. You wrote 24 мая 2012 г., 1:58:48: SH While it might be a shame to see FFS go by the wayside are there any SH big reasons why you would rather stick with FFS instead of moving SH to ZFS with all the benefits that brings? I afraid, that after real hardware failure (like real HDD

Re: UFS+J panics on HEAD

2012-05-24 Thread Doug Rabson
If all you are doing is reading, the ZFS on-disk format is well documented and fairly easy to work with. Take a look at the ZFS bootloader code - that implements a ZFS reader in not too many lines of code and could easily be re-purposed for a recovery tool. On 24 May 2012 09:04, Lev Serebryakov

Re: UFS+J panics on HEAD

2012-05-24 Thread Bjoern A. Zeeb
On 23. May 2012, at 21:38 , Lev Serebryakov wrote: Hello, Konstantin. You wrote 23 мая 2012 г., 17:10:46: KB This panic is another protective panic caused by on-disk inconsistent KB structures. The bitmap indicated that an inode was free, but actual inode KB context suggested that the

Re: UFS+J panics on HEAD

2012-05-24 Thread Matthew Seaman
On 24/05/2012 00:05, Mark Linimon wrote: On Wed, May 23, 2012 at 10:58:48PM +0100, Steven Hartland wrote: While it might be a shame to see FFS go by the wayside are there any big reasons why you would rather stick with FFS instead of moving to ZFS with all the benefits that brings? - ZFS

Re: UFS+J panics on HEAD

2012-05-24 Thread Matthew Seaman
On 24/05/2012 00:05, Mark Linimon wrote: On Wed, May 23, 2012 at 10:58:48PM +0100, Steven Hartland wrote: While it might be a shame to see FFS go by the wayside are there any big reasons why you would rather stick with FFS instead of moving to ZFS with all the benefits that brings? - ZFS

Re: UFS+J panics on HEAD

2012-05-24 Thread Steven Hartland
On 24/05/2012 00:05, Mark Linimon wrote: On Wed, May 23, 2012 at 10:58:48PM +0100, Steven Hartland wrote: While it might be a shame to see FFS go by the wayside are there any big reasons why you would rather stick with FFS instead of moving to ZFS with all the benefits that brings? - ZFS

Re: UFS+J panics on HEAD

2012-05-24 Thread Peter Jeremy
On 2012-May-24 12:04:21 +0400, Lev Serebryakov l...@freebsd.org wrote: I afraid, that after real hardware failure (like real HDD death, not these pseudo-broken-hardware situations, when HDDs is perfectly alive and in good condition), all data will be lost. I could restore data from remains of

Re: UFS+J panics on HEAD

2012-05-23 Thread Konstantin Belousov
On Wed, May 23, 2012 at 12:40:34AM +, Bjoern A. Zeeb wrote: Hi, I have a machine that since updated to r235609 started to constantly panic in the FS code while building universe, first with ufs_dirbad: /scratch: bad dir ino 1137225 at offset 17920: mangled entry which a clri and a

Re: UFS+J panics on HEAD

2012-05-23 Thread Lev Serebryakov
Hello, Konstantin. You wrote 23 мая 2012 г., 17:10:46: KB This panic is another protective panic caused by on-disk inconsistent KB structures. The bitmap indicated that an inode was free, but actual inode KB context suggested that the inode is in use. KB I would not worry much about ffs code

Re: UFS+J panics on HEAD

2012-05-23 Thread Steven Hartland
- Original Message - From: Lev Serebryakov l...@freebsd.org Or should we call FFS officially dead and promote ZFS as only usable FS on modern FreeBSD now? Slightly OT but I must say I'm a big fan of ZFS since I first tried it under FreeBSD a few years back. Not only is it a dream to

Re: UFS+J panics on HEAD

2012-05-23 Thread Mark Linimon
On Wed, May 23, 2012 at 10:58:48PM +0100, Steven Hartland wrote: While it might be a shame to see FFS go by the wayside are there any big reasons why you would rather stick with FFS instead of moving to ZFS with all the benefits that brings? - ZFS eats bytes for breakfast. It is completely

Re: UFS+J panics on HEAD

2012-05-23 Thread Steven Hartland
- Original Message - From: Mark Linimon lini...@lonesome.com On Wed, May 23, 2012 at 10:58:48PM +0100, Steven Hartland wrote: While it might be a shame to see FFS go by the wayside are there any big reasons why you would rather stick with FFS instead of moving to ZFS with all the

UFS+J panics on HEAD

2012-05-22 Thread Bjoern A. Zeeb
Hi, I have a machine that since updated to r235609 started to constantly panic in the FS code while building universe, first with ufs_dirbad: /scratch: bad dir ino 1137225 at offset 17920: mangled entry which a clri and a fully forced fsck -y -f seems to have cleared (thanks to kib) and now it