[Lustre-discuss] Question regarding caution statement in 1.8 manual for the consistent mode flock option

2010-03-05 Thread Jagga Soorma
Hi Guys, Thanks Andreas for pointing me to the flock options. However, I see the following caution statement for the consistent mode: -- CAUTION: This mode has a noticeable performance impact and may affect stability, depending on the Lustre version used. Consider using a newer Lustre version

Re: [Lustre-discuss] Question regarding caution statement in 1.8 manual for the consistent mode flock option

2010-03-05 Thread Andreas Dilger
On 2010-03-05, at 15:18, Jagga Soorma wrote: Thanks Andreas for pointing me to the flock options. However, I see the following caution statement for the consistent mode: -- CAUTION: This mode has a noticeable performance impact and may affect stability, depending on the Lustre version

Re: [Lustre-discuss] Question regarding caution statement in 1.8 manual for the consistent mode flock option

2010-03-05 Thread Oleg Drokin
Hello! On Mar 5, 2010, at 5:25 PM, Andreas Dilger wrote: On 2010-03-05, at 15:18, Jagga Soorma wrote: Is there an impact if the option is turned on, or only if it is turned on and used? Is the impact local to the file being locked, the machine on which that file is locked, or the entire