Re: [Lustre-discuss] inode weirdness

2009-09-06 Thread Stu Midgley
extra to my previous information (a colleague prompted me to add this). This file was being created in a new directory. The parent of this directory would have had a few hundred directories created in it "simultaneously"... That is, the first thing my job does on startup is create a temporary wo

Re: [Lustre-discuss] filesystem corruption

2009-09-06 Thread Kevin Van Maren
This subject has been discussed many times... Not just the controller, but the drives as well. The problem is with write-back caches that _lie_ about the data being in persistent store. The drive itself, with write-back cache enabled, lies and says data is on disk. RAID controllers likewise u

Re: [Lustre-discuss] filesystem corruption

2009-09-06 Thread Mag Gam
So, I have to ask Why disable write-back cache on the controller? 2009/9/4 恩强周 : > It's really dangerous! e2fsck  bring it back. > > 2009/9/3 Peter Kjellstrom >> >> On Thursday 03 September 2009, 恩强周 wrote: >> > hi all, >> > >> > I have lustre  corrupted when a OSS powered off by ipmi accident