Re: compress=lzo safe to use?

2016-09-17 Thread Kai Krakow
Am Mon, 12 Sep 2016 04:36:07 + (UTC) schrieb Duncan <1i5t5.dun...@cox.net>: > Again, I once thought all this was just the stage at which btrfs was, > until I found out that it doesn't seem to happen if btrfs compression > isn't being used. Something about the way it recovers from checksum

Re: compress=lzo safe to use?

2016-09-11 Thread Duncan
Hans van Kranenburg posted on Sun, 11 Sep 2016 22:49:58 +0200 as excerpted: > So, you can use a lot of compress without problems for years. > > Only if your hardware is starting to break in a specific way, causing > lots and lots of checksum errors, the kernel might not be able to handle > all

Re: compress=lzo safe to use?

2016-09-11 Thread Steven Haigh
On 2016-09-12 05:48, Martin Steigerwald wrote: Am Sonntag, 26. Juni 2016, 13:13:04 CEST schrieb Steven Haigh: On 26/06/16 12:30, Duncan wrote: > Steven Haigh posted on Sun, 26 Jun 2016 02:39:23 +1000 as excerpted: >> In every case, it was a flurry of csum error messages, then instant >> death.

Re: compress=lzo safe to use?

2016-09-11 Thread Hans van Kranenburg
On 09/11/2016 09:48 PM, Martin Steigerwald wrote: > Am Sonntag, 26. Juni 2016, 13:13:04 CEST schrieb Steven Haigh: >> On 26/06/16 12:30, Duncan wrote: >>> Steven Haigh posted on Sun, 26 Jun 2016 02:39:23 +1000 as excerpted: In every case, it was a flurry of csum error messages, then instant

Re: compress=lzo safe to use? (was: Re: Trying to rescue my data :()

2016-09-11 Thread Chris Murphy
On Sun, Sep 11, 2016 at 2:06 PM, Adam Borowski wrote: > On Sun, Sep 11, 2016 at 09:48:35PM +0200, Martin Steigerwald wrote: >> Hmm… I found this from being referred to by reading Debian wiki page on >> BTRFS¹. >> >> I use compress=lzo on BTRFS RAID 1 since April 2014 and I

Re: compress=lzo safe to use? (was: Re: Trying to rescue my data :()

2016-09-11 Thread Adam Borowski
On Sun, Sep 11, 2016 at 09:48:35PM +0200, Martin Steigerwald wrote: > Hmm… I found this from being referred to by reading Debian wiki page on > BTRFS¹. > > I use compress=lzo on BTRFS RAID 1 since April 2014 and I never found an > issue. Steven, your filesystem wasn´t RAID 1 but RAID 5 or 6? >

compress=lzo safe to use? (was: Re: Trying to rescue my data :()

2016-09-11 Thread Martin Steigerwald
Am Sonntag, 26. Juni 2016, 13:13:04 CEST schrieb Steven Haigh: > On 26/06/16 12:30, Duncan wrote: > > Steven Haigh posted on Sun, 26 Jun 2016 02:39:23 +1000 as excerpted: > >> In every case, it was a flurry of csum error messages, then instant > >> death. > > > > This is very possibly a known bug