Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-05-31 Thread Raouf Rokhjavan
Hi, On 05/26/17 06:52, Jaegeuk Kim wrote: On 05/25, Jaegeuk Kim wrote: On 05/25, Raouf Rokhjavan wrote: Hi First of all, I'm really really sorry for my absence and replying too late. On 05/17/17 22:31, Jaegeuk Kim wrote: Hi, Honestly speaking, I didn't expect to encountered such a confusi

Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-05-25 Thread Jaegeuk Kim
On 05/25, Raouf Rokhjavan wrote: > > Hi > > First of all, I'm really really sorry for my absence and replying too late. > > On 05/17/17 22:31, Jaegeuk Kim wrote: > > On 05/17, Raouf Rokhjavan wrote: > > > Hi, > > > > > > Since I want to make sure that my system, having a database app, stay > >

Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-05-24 Thread Raouf Rokhjavan
Hi First of all, I'm really really sorry for my absence and replying too late. On 05/17/17 22:31, Jaegeuk Kim wrote: > On 05/17, Raouf Rokhjavan wrote: >> Hi, >> >> Since I want to make sure that my system, having a database app, stay >> operational after the power failure, I test database syste

Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-05-17 Thread Jaegeuk Kim
On 05/17, Raouf Rokhjavan wrote: > On 05/12/17 04:44, Jaegeuk Kim wrote: > > Hi, > > > > On 05/10, Raouf Rokhjavan wrote: > > ... > > > > > As you told to use snapshot mechanism to prevent changing ckpt number > > > after > > > each mount, I ran again generic tests of xfstests framework on top o

Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-05-17 Thread Raouf Rokhjavan
On 05/12/17 04:44, Jaegeuk Kim wrote: > Hi, > > On 05/10, Raouf Rokhjavan wrote: > ... > >> As you told to use snapshot mechanism to prevent changing ckpt number after >> each mount, I ran again generic tests of xfstests framework on top of >> log-writes target with f2fs file system. In order to au

Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-05-15 Thread Jaegeuk Kim
Hi, On 05/12, Raouf Rokhjavan wrote: > Hi, > > On 05/12/17 04:44, Jaegeuk Kim wrote: > > Hi, > > > > On 05/10, Raouf Rokhjavan wrote: > > ... > > > > > As you told to use snapshot mechanism to prevent changing ckpt number > > > after > > > each mount, I ran again generic tests of xfstests fram

Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-05-12 Thread Raouf Rokhjavan
Hi, On 05/12/17 04:44, Jaegeuk Kim wrote: > Hi, > > On 05/10, Raouf Rokhjavan wrote: > ... > >> As you told to use snapshot mechanism to prevent changing ckpt number after >> each mount, I ran again generic tests of xfstests framework on top of >> log-writes target with f2fs file system. In order

Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-05-11 Thread Jaegeuk Kim
Hi, On 05/10, Raouf Rokhjavan wrote: ... > As you told to use snapshot mechanism to prevent changing ckpt number after > each mount, I ran again generic tests of xfstests framework on top of > log-writes target with f2fs file system. In order to automate reporting an > inconsistency situation, I

Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-05-10 Thread Raouf Rokhjavan
On 04/14/17 01:49, Jaegeuk Kim wrote: > Hello, > > On 04/13, Raouf Rokhjavan wrote: >> Hi >> >> The Flash friendly features of f2fs has motivated me to make use of >> these characteristics as rootfs in my project. Since one of my main >> considerations is the resilience in the face of power failu

Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-04-17 Thread Jaegeuk Kim
On 04/15, Raouf Rokhjavan wrote: > > > On 04/15/17 04:28, Jaegeuk Kim wrote: > > On 04/14, Raouf Rokhjavan wrote: > >> > >> On 04/14/17 01:49, Jaegeuk Kim wrote: > >> Hi > >> > >> First of all, thank you so much for your help. > >>> Hello, > >>> > >>> I just ran log-writer with fsstress and found

Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-04-14 Thread Raouf Rokhjavan
On 04/15/17 04:28, Jaegeuk Kim wrote: > On 04/14, Raouf Rokhjavan wrote: >> >> On 04/14/17 01:49, Jaegeuk Kim wrote: >> Hi >> >> First of all, thank you so much for your help. >>> Hello, >>> >>> I just ran log-writer with fsstress and found one issue when replaying IOs. >>> If you replay after mk

Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-04-14 Thread Raouf Rokhjavan
On 04/14/17 23:15, Jaegeuk Kim wrote: > On 04/14, Raouf Rokhjavan wrote: >> First of all, thank you so much for your help. >>> Hello, >>> >>> I just ran log-writer with fsstress and found one issue when replaying IOs. >>> If you replay after mkfs.f2fs, you get the wrong valid checkpoint which was

Re: [f2fs-dev] f2fs Crash Consistency Problem

2017-04-13 Thread Jaegeuk Kim
Hello, On 04/13, Raouf Rokhjavan wrote: > Hi > > The Flash friendly features of f2fs has motivated me to make use of > these characteristics as rootfs in my project. Since one of my main > considerations is the resilience in the face of power failure, I've been > looking for some techniques to

[f2fs-dev] f2fs Crash Consistency Problem

2017-04-13 Thread Raouf Rokhjavan
Hi The Flash friendly features of f2fs has motivated me to make use of these characteristics as rootfs in my project. Since one of my main considerations is the resilience in the face of power failure, I've been looking for some techniques to prove this assertion. Finally, I ended up finding a