Re: [lustre-discuss] Second read or write performance

2018-09-20 Thread fırat yılmaz
Hi Andreas, Tests are made with dd, The test folder is created by the related application company, i will check that when i have connection. OST's has %85-86 free space and filesystem mounted with flock option, i will ask for it to remove and test again. Thanks Andereas, Best Regards. Read t

Re: [lustre-discuss] Experience with resizing MDT

2018-09-20 Thread Mohr Jr, Richard Frank (Rick Mohr)
> On Sep 19, 2018, at 8:09 PM, Colin Faber wrote: > > Why wouldn't you use DNE? I am considering it as an option, but there appear to be some potential drawbacks. If I use DNE1, then I have to manually create directories on specific MDTs. I will need to monitor MDT usage and make adjustment

Re: [lustre-discuss] Experience with resizing MDT

2018-09-20 Thread Andreas Dilger
On Sep 19, 2018, at 18:49, Mohr Jr, Richard Frank (Rick Mohr) wrote: > > Has anyone had recent experience resizing a ldiskfs-backed MDT using the > resize2fs tool? We may be purchasing a small lustre file system in the near > future with the expectation that it could grow considerably over ti

Re: [lustre-discuss] Second read or write performance

2018-09-20 Thread Andreas Dilger
On Sep 20, 2018, at 03:07, fırat yılmaz wrote: > > Hi all, > > OS=Redhat 7.4 > Lustre Version: Intel® Manager for Lustre* software 4.0.3.0 > İnterconnect: Mellanox OFED, ConnectX-5 > 72 OST over 6 OSS with HA > 1mdt and 1 mgt on 2 MDS with HA > > Lustre servers fine tuning parameters: > lctl se

Re: [lustre-discuss] Lustre/ZFS snapshots mount error

2018-09-20 Thread Kirk, Benjamin (JSC-EG311)
I just opened an LU on the issue https://jira.whamcloud.com/browse/LU-11411 for anyone interested. Thanks a lot! -Ben On Aug 27, 2018, at 4:56 PM, Andreas Dilger mailto:adil...@whamcloud.com>> wrote: It's probably best to file an LU ticket for this issue. It looks like there is something w

[lustre-discuss] Second read or write performance

2018-09-20 Thread fırat yılmaz
Hi all, OS=Redhat 7.4 Lustre Version: Intel® Manager for Lustre* software 4.0.3.0 İnterconnect: Mellanox OFED, ConnectX-5 72 OST over 6 OSS with HA 1mdt and 1 mgt on 2 MDS with HA Lustre servers fine tuning parameters: lctl set_param timeout=600 lctl set_param ldlm_timeout=200 lctl set_param at_m