Re: btrfs open_ctree failed (after recent Ubuntu update)

2012-02-18 Thread Curtis Jones
I don't want to push this too far in the direction of being an Ubuntu support thread; but do you happen to know of any convenient methods for installing a 3.2.x kernel on Ubuntu? I'd like to minimize the chance of screwing up my existing Ubuntu installation Thanks for your help. -- Curtis

Re: brtfs on top of dmcrypt with SSD. No corruption iff write cache off?

2012-02-18 Thread Clemens Eisserer
Hi, > "-o discard" is supported, but can have some negative consequences on > performance on some SSDs or at least whether it adds worthwhile performance > is up for debate The problem is, that TRIM can't be benchmarked in a traditional way - by running one run with TRIM and another one with

Re: btrfs open_ctree failed (after recent Ubuntu update)

2012-02-18 Thread Chris Samuel
On Sunday 19 February 2012 07:34:22 Curtis Jones wrote: > Any help would be appreciated. Thank you. Please CC me on any > replies. > > Linux veriton 3.0.0-16-generic-pae #28-Ubuntu SMP Fri Jan 27 > 19:24:01 UTC 2012 i686 i686 i386 GNU/Linux That's a fairly old kernel in btrfs terms, you may want

btrfs open_ctree failed (after recent Ubuntu update)

2012-02-18 Thread Curtis Jones
I recently let the Update Manager run after ignoring it for a couple of weeks. It required a reboot. My USB btrfs volume didn't mount after reboot. dmesg revealed: [ 463.187097] btrfs: open_ctree failed [ 991.567090] device label StoreW devid 1 transid 37077 /dev/sdb [ 1003.171989] device label

Re: brtfs on top of dmcrypt with SSD. No corruption iff write cache off?

2012-02-18 Thread Marc MERLIN
On Sat, Feb 18, 2012 at 01:39:24PM +0100, Martin Steigerwald wrote: > To Milan Broz: Well now I noticed that you linked to your own blog entry. He did not, I'm the one who did. I asked a bunch of questions since the online docs didn't address them for me. Some of you answered those for me, I aske

Re: brtfs on top of dmcrypt with SSD. No corruption iff write cache off?

2012-02-18 Thread Martin Steigerwald
Am Samstag, 18. Februar 2012 schrieb Martin Steigerwald: […] > Am Montag, 13. Februar 2012 schrieb Marc MERLIN: > > On Mon, Feb 13, 2012 at 12:47:54AM +0100, Milan Broz wrote: > > > On 02/12/2012 11:32 PM, Marc MERLIN wrote: > > > >Actually I had one more question. > > > > > > > >I read this page:

Re: brtfs on top of dmcrypt with SSD. No corruption iff write cache off?

2012-02-18 Thread Martin Steigerwald
Sorry, I forget to keep Cc´s, different lists, different habits. To Milan Broz: Well now I noticed that you linked to your own blog entry. Please do not take my below statements personally - I might have written them a bit harshly. Actually I do not really know whether your statement that TRIM

Re: brtfs on top of dmcrypt with SSD. No corruption iff write cache off?

2012-02-18 Thread Martin Steigerwald
Am Montag, 13. Februar 2012 schrieb Marc MERLIN: > On Mon, Feb 13, 2012 at 12:47:54AM +0100, Milan Broz wrote: > > On 02/12/2012 11:32 PM, Marc MERLIN wrote: > > >Actually I had one more question. > > > > > >I read this page: > > >http://www.redhat.com/archives/dm-devel/2011-July/msg00042.html > >