Dariush Debian DiaryDiariusz DariuszaEffect of CONCURRENCY_LEVEL variable on make-kpkg (kernel compilation) on dual Quad Core- (Found July 2, 2008 ) System: processor : 7 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Xeon(R) CPU E5345 2.33GHz stepping : 7 cpu MHz : 2333.422 cache size : 4096 KB physical id : 1 siblings : 4 core id : 3 cpu cores : 4 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36...http://eyck.forumakad.pl/log/2007/11/07#Concurrency.Level.On.Dual.Quad.Core BSD - Bastard patcheset for Linux kernel. 2.6.18-bsd40m- (Found July 2, 2008 ) Thu Nov 1 13:38:45 CET 2007 Backports for r8169 support, JMicron PATA support. Various fixes.. OpenVZ 028stab047.1 plus compilation fixhttp://eyck.forumakad.pl/log/2007/11/01#40m-ovz Compiling kernels inside openvz- (Found July 2, 2008 ) Contenders: simfs 112G 26G 87G 23% devshm 2.0G 369M 1.7G 18% homeeyckramdysk Fight: export CONCURRENCY_LEVEL=8 eycketchdev386:40m-ovzwork$ time nice rm -r linux patches Patching.log && time sh rediff.sh ... make1: Leaving directory homeeyck40m-ovzworklinux-2.6.18' ====== making target stamp-kernel-headers new prereqs: linux-headers-2.6.18.bsd40l-vz linux-headers-2.6.18.bsd40l-vz====== This is kernel package version 10.067. echo done >...http://eyck.forumakad.pl/log/2007/11/01#Make.Kpkg.On.Xeon Blacklist module - stop it from being loaded by modprobeudev- (Found July 2, 2008 ) echo "blacklist intel_agp" >> etcmodprobe.dblacklisthttp://eyck.forumakad.pl/log/2007/09/19#Blacklist.Module RaidF: FlashRaid - best solution for flash filesystems- (Found July 2, 2008 ) Divide your flash-based block device into 3 parts, for example let's use 12 sections. Raid5 (or Raid6 if you need more protection) them. use resulting block device as base for your filesystemsswap. This way you can run without wear-levelling layer (which AFAIK can't work in general case, because you would need Sizeblocksize bytesnibbles of additional wear-resistant storage to keep statistics of your wear), AND you gain additional protection, for very little price ( less then 10% of...http://eyck.forumakad.pl/log/2007/09/09#FlashRaid Upgrade to LVM2 from LVM1 on running system- (Found July 2, 2008 ) Problem: homenode:homeeyck pvcreate devccissc0d2p5 Physical volume "devccissc0d2p5" successfully created homenode:homeeyck vgscan Reading all physical volumes. This may take a while... Found volume group "sys" using metadata type lvm1 homenode:homeeyck vgextend sys devccissc0d2p5 Physical volume devccissc0d2p5 is of different format type (lvm2) Unable to add physical volume 'devccissc0d2p5' to volume group 'sys'. homenode:homeeyck pvscan PV devccissc0d0p3 VG sys lvm1 66.34 GB .http://eyck.forumakad.pl/log/2007/09/06#LVM2.On.The.Fly.Convert Create Degraded Raid1- (Found July 2, 2008 ) gnoll2: mdadm --create devmd1 --level 1 --raid-devices=2 missing devhdh5 mdadm: array devmd1 started. gnoll2: cat procmdstat Personalities : linear multipath raid0 raid1 raid6 raid5 raid4 raid10 md1 : active raid1 hdh51 77152064 blocks 21 _U unused devices: <none> gnoll2:fstmp mdadm --add devmd1 devhde5 mdadm: added devhde5 gnoll2:fstmp cat procmdstat Personalities : linear multipath raid0 raid1 raid6 raid5 raid4 raid10 md1 : active raid1 hde52 hdh51 ...http://eyck.forumakad.pl/log/2007/09/05#Create.Degraded.Raid1 naviinittoolcli- (Found July 2, 2008 ) .naviinittoolcli ... Navisphere Array Initialization Tool Version 6.24.0.6.7 17:10:54.728973 IP 10.11.12.231.35294 > 255.255.255.255.2162: UDP, length 71 17:14:28.211377 IP 10.11.12.231.35294 > 255.255.255.255.2162: UDP, length 71 0x0000: 4500 0063 0000 4000 4011 bafa c0a8 bee7 E..c.......... 0x0010: ffff ffff 89de 0872 004f f516 3c54 3120 .......r.O..<T1. 0x0020: 5433 3d22 5434 2220 5432 3d22 4154 4154 T3="T4".T2="ATAT 0x0030: 5544..http://eyck.forumakad.pl/log/2007/08/27#Connecting.CLARiiON Vserver and Xorg- (Found July 2, 2008 ) (2.2.x) don't forget to procunhide procbuspci and procbus in etcvservers.defaultsappsvprocunhidefiles (create it based on usrlibutil-vserverdefaultsvprocunhide-files)http://eyck.forumakad.pl/log/2007/08/04#Vserver.And.Xorg |