Re: [CentOS] Centos 7 guest - long delay on mounting /boot with host disk write cache off

2016-01-12 Thread Andrzej Szymanski
On 2015-12-31 15:41, Gordon Messmer wrote: On 12/30/2015 06:26 AM, Andrzej Szymanski wrote: Is is normal for the xfs mount to replay a log after a clean unmount? Yes, apparently: http://oss.sgi.com/archives/xfs/2009-10/msg00084.html Thanks a lot. With best regards, Andrzej -- Andrzej

[CentOS] Centos 7 guest - long delay on mounting /boot with host disk write cache off

2015-12-30 Thread Andrzej Szymanski
Hello, I've noticed a strange delay while booting a CentOS 7 guest on a CentOS 7 host with slow disks (7200RPM) with write cache off. The guest and host are freshly installed Centos 7 (host was fully patched before guest install). Guest is installed on an lvm pool residing on an md raid1

Re: [CentOS] ext4, 4k sector alignment

2011-07-26 Thread Andrzej Szymanski
On 2011-07-25 19:10, Les Mikesell wrote: My questions for any filesystem experts are: Is there a way to adjust the existing md partitions to get the right alignment for 4k sectors without having to do a file-oriented copy to new partitions? A resize + a dd copy to shift the position might be

Re: [CentOS] disk I/O problems with LSI Logic RAID controller

2010-02-10 Thread Andrzej Szymanski
On 2010-02-09 18:15, Fernando Gleiser wrote: Every time we try to copy some large file to the storage-based file system, the disk utilization see-saws up to 100% to several seconds of inactivity, to climb up again to 100% and so forth. Here are a snip from the iostat -kx 1: Device:

[CentOS] Cannot get LD_LIBRARY_PATH to work under NX (freenx)

2009-06-08 Thread Andrzej Szymanski
Hello, I'm trying to get the LD_LIBRARY_PATH set from .bash_profile (Centos 5.3 fully updated). This is a part of my .bash_profile: export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/home/szyman/omnet/omnetpp-2.3p1/lib export R_HISTSIZE=20 Everything works fine under standard ssh login, but

Re: [CentOS] Cannot get LD_LIBRARY_PATH to work under NX (freenx)

2009-06-08 Thread Andrzej Szymanski
Filipe Brandenburger wrote: Hi, On Mon, Jun 8, 2009 at 14:38, Andrzej Szymanskiszym...@agh.edu.pl wrote: Everything works fine under standard ssh login, but under NX client the LD_LIBRARY_PATH variable is missing (the R_HISTSIZE is exported properly). Any hints? This is probably not

Re: [CentOS] ext3 heavy file fragmentation with NFS write

2009-02-28 Thread Andrzej Szymanski
Stephen John Smoogen wrote: On Fri, Feb 27, 2009 at 12:31 AM, Andrzej SzymaƄski szym...@agh.edu.pl wrote: Hello, Does anybody know how to avoid the file fragmentation when a file is created over NFSv3? A file created locally is OK: dd bs=32k if=/dev/zero of=test count=32x1024 conv=fsync