Date: Sun, 6 Jan 2008 23:10:55 +0100 (CET) From: "Gelsema, P \(Patrick\) - FreeBSD" <freebsd@superhero.nl> To: "Ivan Voras" <ivoras@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: ZFS on AMD64 - any recent crashes? Message-ID: <1625.10.202.77.197.1199657455.squirrel@webmail.superhero.nl> In-Reply-To: <flr6fm$27c$1@ger.gmane.org> References: <flr6fm$27c$1@ger.gmane.org>
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On Sun, January 6, 2008 19:25, Ivan Voras wrote: > Hi, > > In light of the recent discussion about ZFS stability, does anyone still > have kmem_map_too_small panics on AMD64 after tuning it (as presented in > http://wiki.freebsd.org/ZFSTuningGuide)? > > I'm interested in reports like this: > http://kerneltrap.org/mailarchive/freebsd-current/2007/9/21/271557 (note > that this report is for an untuned system). > > I have my Music and movies collection on a ZFS pool for more than a month now which is shared through samba over the network with an XBox MediaCenter without any problem, hitches or disconnects. No tuning. Everything out of the box. The zfs pool is jailed and within the jail runs samba. The only "issue" I have is that whenever I reboot that I have to re-jail the zfs pool and remount it within the jail. Would love if this could be automatic. Details: FreeBSD hulk.superhero.nl 7.0-RC1 FreeBSD 7.0-RC1 #0: Mon Dec 24 18:52:08 CET 2007 admin@hulk.superhero.nl:/usr/obj/usr/src/sys/GENERIC amd64 CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4800+ (2511.41-MHz K8-class CPU) Origin = "AuthenticAMD" Id = 0x60fb1 Stepping = 1 Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> Features2=0x2001<SSE3,CX16> AMD Features=0xea500800<SYSCALL,NX,MMX+,FFXSR,RDTSCP,LM,3DNow!+,3DNow!> AMD Features2=0x11f<LAHF,CMP,SVM,ExtAPIC,CR8,Prefetch> Cores per package: 2 usable memory = 3526770688 (3363 MB) ** actual 4 GB but I have memory hole mapping disabled as enabling renders the system unusable due to being unable to mount / *** avail memory = 3411177472 (3253 MB) last pid: 95799; load averages: 0.00, 0.00, 0.00 up 13+03:50:10 23:06:09 64 processes: 1 running, 63 sleeping CPU states: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 100% idle Mem: 107M Active, 478M Inact, 626M Wired, 216K Cache, 214M Buf, 2050M Free Swap: 4096M Total, 4096M Free hulk# sysctl -a | grep kmem vm.kmem_size_scale: 3 vm.kmem_size_max: 419430400 vm.kmem_size_min: 0 vm.kmem_size: 419430400 hulk# zpool status pool: zfspublic state: ONLINE scrub: none requested config: NAME STATE READ WRITE CKSUM zfspublic ONLINE 0 0 0 raidz1 ONLINE 0 0 0 ad4 ONLINE 0 0 0 ad6 ONLINE 0 0 0 ad8 ONLINE 0 0 0 errors: No known data errors hulk# zfs get all NAME PROPERTY VALUE SOURCE zfspublic type filesystem - zfspublic creation Mon Dec 3 15:13 2007 - zfspublic used 83.7G - zfspublic available 829G - zfspublic referenced 24.0K - zfspublic compressratio 1.00x - zfspublic mounted yes - zfspublic quota none default zfspublic reservation none default zfspublic recordsize 128K default zfspublic mountpoint /zfspublic default zfspublic sharenfs off default zfspublic checksum on default zfspublic compression off default zfspublic atime on default zfspublic devices on default zfspublic exec on default zfspublic setuid on default zfspublic readonly off default zfspublic jailed off default zfspublic snapdir hidden default zfspublic aclmode groupmask default zfspublic aclinherit secure default zfspublic canmount on default zfspublic shareiscsi off default zfspublic xattr off temporary zfspublic copies 1 default zfspublic/batman type filesystem - zfspublic/batman creation Mon Dec 3 15:14 2007 - zfspublic/batman used 83.7G - zfspublic/batman available 829G - zfspublic/batman referenced 83.7G - zfspublic/batman compressratio 1.00x - zfspublic/batman mounted yes - zfspublic/batman quota none default zfspublic/batman reservation none default zfspublic/batman recordsize 128K default zfspublic/batman mountpoint /s/public local zfspublic/batman sharenfs off default zfspublic/batman checksum on default zfspublic/batman compression off default zfspublic/batman atime on default zfspublic/batman devices on default zfspublic/batman exec on default zfspublic/batman setuid on default zfspublic/batman readonly off default zfspublic/batman jailed on local zfspublic/batman snapdir hidden default zfspublic/batman aclmode groupmask default zfspublic/batman aclinherit secure default zfspublic/batman canmount on default zfspublic/batman shareiscsi off default zfspublic/batman xattr off temporary zfspublic/batman copies 1 default
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