Re: really strange ext4 behavior

2011-02-15 Thread Eric Sandeen
On 2/15/11 11:50 AM, Ralf Ertzinger wrote: > Moin. > > On Tue, 15 Feb 2011 10:07:18 -0600, Eric Sandeen wrote > >>> Why isn't it the Fedora default? >>> >>> Rahul >> >> The simple answer is, usually, Fedora kernel doesn't fork >> upstream. > > How is changing mount options for a file system "f

Re: really strange ext4 behavior

2011-02-15 Thread Ralf Ertzinger
Moin. On Tue, 15 Feb 2011 10:07:18 -0600, Eric Sandeen wrote > > Why isn't it the Fedora default? > > > > Rahul > > The simple answer is, usually, Fedora kernel doesn't fork upstream. How is changing mount options for a file system "forking upstream"? It's just a config file entry. And not eve

Re: really strange ext4 behavior

2011-02-15 Thread Ric Wheeler
On 02/15/2011 09:05 AM, Gerd v. Egidy wrote: (except for ext3, where, for data integrity with a volatile writeback cache, defaults + barriers=1, since that safe default was never accepted upstream) >>> Why isn't it the Fedora default? >> Excellent question - we probably should flip i

Re: really strange ext4 behavior

2011-02-15 Thread Gerd v. Egidy
> >> (except for ext3, where, for data integrity with a volatile writeback > >> cache, defaults + barriers=1, since that safe default was never accepted > >> upstream) > > > > Why isn't it the Fedora default? > > Excellent question - we probably should flip it over in fedora to the safe > default

Re: really strange ext4 behavior

2011-02-15 Thread Michał Piotrowski
W dniu 15 lutego 2011 00:21 użytkownik Eric Sandeen napisał: [..] > There is no real best-practice tuning without workload details; > without that, "defaults" is best practice.  :) > > (except for ext3, where, for data integrity with a volatile writeback > cache, defaults + barriers=1, since that

Re: really strange ext4 behavior

2011-02-15 Thread Eric Sandeen
On 2/15/11 7:52 AM, Rahul Sundaram wrote: > On 02/15/2011 04:51 AM, Eric Sandeen wrote: >> There is no real best-practice tuning without workload details; >> without that, "defaults" is best practice. :) >> >> (except for ext3, where, for data integrity with a volatile writeback >> cache, defaults

Re: really strange ext4 behavior

2011-02-15 Thread Ric Wheeler
On 02/15/2011 05:52 AM, Rahul Sundaram wrote: > On 02/15/2011 04:51 AM, Eric Sandeen wrote: >> There is no real best-practice tuning without workload details; >> without that, "defaults" is best practice. :) >> >> (except for ext3, where, for data integrity with a volatile writeback >> cache, defa

Re: really strange ext4 behavior

2011-02-15 Thread Rahul Sundaram
On 02/15/2011 04:51 AM, Eric Sandeen wrote: > There is no real best-practice tuning without workload details; > without that, "defaults" is best practice. :) > > (except for ext3, where, for data integrity with a volatile writeback > cache, defaults + barriers=1, since that safe default was never

Re: really strange ext4 behavior

2011-02-14 Thread Eric Sandeen
On 2/14/11 2:14 PM, Michał Piotrowski wrote: > W dniu 14 lutego 2011 20:47 użytkownik Eric Sandeen > napisał: >> On 2/13/11 12:29 PM, Dennis Jacobfeuerborn wrote: >>> On 02/12/2011 11:52 PM, Ric Wheeler wrote: On 02/12/2011 05:31 PM, Michał Piotrowski wrote: ... >>> If ext3 was running fine

Re: really strange ext4 behavior

2011-02-14 Thread Michał Piotrowski
W dniu 14 lutego 2011 20:47 użytkownik Eric Sandeen napisał: > On 2/13/11 12:29 PM, Dennis Jacobfeuerborn wrote: >> On 02/12/2011 11:52 PM, Ric Wheeler wrote: >>> On 02/12/2011 05:31 PM, Michał Piotrowski wrote: Hi, W dniu 12 lutego 2011 23:19 użytkownik Ric Wheeler   napisał:

Re: really strange ext4 behavior

2011-02-14 Thread Eric Sandeen
On 2/13/11 12:29 PM, Dennis Jacobfeuerborn wrote: > On 02/12/2011 11:52 PM, Ric Wheeler wrote: >> On 02/12/2011 05:31 PM, Michał Piotrowski wrote: >>> Hi, >>> >>> W dniu 12 lutego 2011 23:19 użytkownik Ric Wheeler >>>napisał: On 02/12/2011 05:12 PM, Michał Piotrowski wrote: > Hi, >

Re: really strange ext4 behavior

2011-02-13 Thread Ric Wheeler
On 02/13/2011 01:29 PM, Dennis Jacobfeuerborn wrote: snip >> >> Good to hear that it worked! >> >> Note that the barrier code makes your data safer, so you should run with it >> on >> by default (unless you really don't care about the file system). > > > If ext3 was running fine without barriers

Re: really strange ext4 behavior

2011-02-13 Thread Michał Piotrowski
W dniu 13 lutego 2011 19:29 użytkownik Dennis Jacobfeuerborn napisał: > On 02/12/2011 11:52 PM, Ric Wheeler wrote: >> >> On 02/12/2011 05:31 PM, Michał Piotrowski wrote: >>> >>> Hi, >>> >>> W dniu 12 lutego 2011 23:19 użytkownik Ric Wheeler >>>   napisał: On 02/12/2011 05:12 PM, Michał

Re: really strange ext4 behavior

2011-02-13 Thread Dennis Jacobfeuerborn
On 02/12/2011 11:52 PM, Ric Wheeler wrote: > On 02/12/2011 05:31 PM, Michał Piotrowski wrote: >> Hi, >> >> W dniu 12 lutego 2011 23:19 użytkownik Ric Wheeler >>napisał: >>> On 02/12/2011 05:12 PM, Michał Piotrowski wrote: Hi, I added a disc to my box. I wanted to use ext4. I run

Re: really strange ext4 behavior

2011-02-12 Thread Michał Piotrowski
W dniu 12 lutego 2011 23:52 użytkownik Ric Wheeler napisał: > On 02/12/2011 05:31 PM, Michał Piotrowski wrote: >> >> Hi, >> >> W dniu 12 lutego 2011 23:19 użytkownik Ric Wheeler >>  napisał: >>> >>> On 02/12/2011 05:12 PM, Michał Piotrowski wrote: Hi, I added a disc to my box.

Re: really strange ext4 behavior

2011-02-12 Thread Ric Wheeler
On 02/12/2011 05:31 PM, Michał Piotrowski wrote: > Hi, > > W dniu 12 lutego 2011 23:19 użytkownik Ric Wheeler > napisał: >> On 02/12/2011 05:12 PM, Michał Piotrowski wrote: >>> Hi, >>> >>> I added a disc to my box. I wanted to use ext4. I run fs_mark to test >>> speed, to my surprise I heard a re

Re: really strange ext4 behavior

2011-02-12 Thread Ric Wheeler
On 02/12/2011 05:12 PM, Michał Piotrowski wrote: > Hi, > > I added a disc to my box. I wanted to use ext4. I run fs_mark to test > speed, to my surprise I heard a really strange noises. > > It's very strange because the drive is new >9 Power_On_Hours 0x0032 100 100 000Old_age

Re: really strange ext4 behavior

2011-02-12 Thread Michał Piotrowski
Hi, W dniu 12 lutego 2011 23:19 użytkownik Ric Wheeler napisał: > On 02/12/2011 05:12 PM, Michał Piotrowski wrote: >> >> Hi, >> >> I added a disc to my box. I wanted to use ext4. I run fs_mark to test >> speed, to my surprise I heard a really strange noises. >> >> It's very strange because the dr

really strange ext4 behavior

2011-02-12 Thread Michał Piotrowski
Hi, I added a disc to my box. I wanted to use ext4. I run fs_mark to test speed, to my surprise I heard a really strange noises. It's very strange because the drive is new 9 Power_On_Hours 0x0032 100 100 000Old_age Always - 12 # fs_mark -d test/ [..] FSUse%