Re: btrfs day 1

2008-08-20 Thread Chris Mason
On Thu, 2008-08-14 at 00:11 -0700, Stephen Hemminger wrote:
 Setup new 60G home partition on laptop as a real life test of 0.16.
 Using Ubuntu standard kernel 2.6.24-19-generic on i386
 
 I notice that during normal (busy time) everything seems fine, but after 
 going away
 for a while and coming back, it seems sluggish. Lots of errors in log:
 
  btrfs csum failed ino 139988 off 4583424 csum 3821684403 private 0
  btrfs csum failed ino 139988 off 4579328 csum 3233603900 private 0
  btrfs csum failed ino 139988 off 4575232 csum 306171610 private 0
 
 Maybe it isn't handleing spindown properly? or something like that?

Hi,

I think the btrfs-unstable tree should have fixes for all of this.  I
know you had moved back to ext3 for now, but just wanted to follow up.

-chris


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Re: btrfs day 1

2008-08-16 Thread Chris Mason
On Thu, 2008-08-14 at 09:19 -0700, Stephen Hemminger wrote:
 On Thu, 14 Aug 2008 06:25:14 -0400
 Chris Mason [EMAIL PROTECTED] wrote:
 
  On Thu, 2008-08-14 at 00:11 -0700, Stephen Hemminger wrote:
   Setup new 60G home partition on laptop as a real life test of 0.16.
   Using Ubuntu standard kernel 2.6.24-19-generic on i386
   
  
  Thanks for giving things a try
  
   I notice that during normal (busy time) everything seems fine, but after 
   going away
   for a while and coming back, it seems sluggish. Lots of errors in log:
   
btrfs csum failed ino 139988 off 4583424 csum 3821684403 private 0
btrfs csum failed ino 139988 off 4579328 csum 3233603900 private 0
btrfs csum failed ino 139988 off 4575232 csum 306171610 private 0
   

Could you please send me your kernel .config?  Haven't been able to nail
this down yet.

-chris


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Re: btrfs day 1

2008-08-14 Thread Stephen Hemminger
On Thu, 14 Aug 2008 14:21:22 -0400
Chris Mason [EMAIL PROTECTED] wrote:

 On Thu, 2008-08-14 at 11:06 -0700, Stephen Hemminger wrote:
 
   So, the question is why the kernel compile workload works for me.  What
   kind of hardware are you running (ram, cpu, disks?)
  
  Intel(R) Core(TM)2 Duo CPU T7700  @ 2.40GHz
  Memory 2G
  Disk 80G (partition was 20G)
  
 
 It seems you have the secret to corrupting things.  I'll try to
 reproduce with smaller partitions and less ram here.
 
 -chris
 
 

Actually, the partition that got corrupted was 60G
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