Zapis na disk

[Divacky Roman]

zapnout top a zmacknout 'm' ?


On Mon, Feb 14, 2005 at 11:34:11AM +0100, Martin Salac wrote:
> Zdravim vsechny konferencniky.
> 
> Chtel bych vas poprosit o radu s nasledujicim problemem:
> systat -v mi neustale vykazuje diskovou aktivitu (zapis nebo
> cteni v prumeru 2 MB/s) na systemovem disku /.
> Nedokazu zjistit, co to dela.
> 
> Zatim jsem postupoval vylucovaci metodou - pomoci trafshow
> jsem monitoroval provoz na sitovce (provoz par beznych kilo -
> jinymi slovy 0), dale pomoci sockstat zjistoval otevrene sockety
> na stroji, potom pomoci lsof jsem prochazel mozne otevrene spojeni
> a nakonec si nechal vypsat naposledy zmenene soubory z "postizeneho"
> svazku, ale bohuzel nic jsem neodhalil.
> 
> Take jsem vypnul vsechny servery (databaze, apache apod), az bezel
> jenom cisty system, ale aktivita na disku stale stejna.
> 
> Deje se tak od nedele, kdy na delam zalohu na pasku, ktera tentokrat
> nedopadla dobre, resp ve /var/log/messages je log:
> Feb 13 06:08:03 srotak /kernel: (sa0:ahc1:0:6:0): WRITE FILEMARKS. CDB: 
> 10 0 0 0 1 0
> Feb 13 06:08:03 srotak /kernel: (sa0:ahc1:0:6:0): MEDIUM ERROR asc:3,2
> Feb 13 06:08:03 srotak /kernel: (sa0:ahc1:0:6:0): Excessive write errors
> Feb 13 06:08:03 srotak /kernel: (sa0:ahc1:0:6:0): failed to write 
> terminating filemark(s)
> Feb 13 06:08:03 srotak /kernel: (sa0:ahc1:0:6:0): tape is now frozen- 
> use an OFFLINE, REWIND or MTEOM command to clear this state.
> 
> 
> Prosim, poradite nekdo metodu, jak zjistit, ktery proces/socket/program
> ma na svedomi tuto aktivitu?
> 
> Nebo je tu moznost, ze mam polamany systat a ukazuje falesne udaje?
> 
> Diky za pripadne odpovedi.
> 
> Zdravi
> 
> Martin
> 
> 
> P.S. Muzu to samozrejme rebootovat, nebo povysit na 4.11, ale rad bych
>      vedel, jaxe s tim vyporadat "za chodu"
> P.P.S. udaje o systemu (v pripade potreby poslu vic vypisu, je toho
> pozehnane, takze se mi nechce ucpavat kanal :-)):
> 
> System: uname -a
> FreeBSD srotak.certicon.cz 4.10-RELEASE FreeBSD 4.10-RELEASE #6:
> Wed Feb  2 13:31:37 CET 2005 boot at srotak.certicon.cz:
> /usr/obj/usr/src/sys/SROTAK  i386
> 
> cat /var/run/dmesg.boot
> Copyright (c) 1992-2004 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>         The Regents of the University of California. All rights reserved.
> FreeBSD 4.10-RELEASE #6: Wed Feb  2 13:31:37 CET 2005
>     root at srotak.certicon.cz:/usr/obj/usr/src/sys/SROTAK
> Timecounter "i8254"  frequency 1193182 Hz
> CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2399.33-MHz 686-class CPU)
>   Origin = "GenuineIntel"  Id = 0xf29  Stepping = 9
> 
> Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,C
> MOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,avail memory = 518631424 
> (506476K bytes)
> real memory  = 536805376 (524224K bytes)
> pnpbios: Bad PnP BIOS data checksum
> Preloaded elf kernel "kernel" at 0xc03b3000.
> Preloaded userconfig_script "/boot/kernel.conf" at 0xc03b309c.
> Warning: Pentium 4 CPU: PSE disabled
> netsmb_dev: loaded
> Pentium Pro MTRR support enabled
> md0: Malloc disk
> Using $PIR table, 7 entries at 0xc00fc2c0
> npx0: <math processor> on motherboard
> npx0: INT 16 interface
> pcib0: <ServerWorks host to PCI bridge(unknown chipset)> on motherboard
> pci0: <PCI bus> on pcib0
> em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.25> port 
> 0xecc0-0xecff
>  mem 0xfe100000-0xfe11ffff irq 10 at device 2.0 on pci0
> em0:  Speed:N/A  Duplex:N/A
> ahc0: <Adaptec 3960D Ultra160 SCSI adapter> port 0xe800-0xe8ff mem 
> 0xfe123000-0x
> fe123fff irq 5 at device 7.0 on pci0
> aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
> SSE2,SS,HTT,TM,PBE>ahc1: <Adaptec 3960D Ultra160 SCSI adapter> port 
> 0xe400-0xe4ff mem 0xfe122000-0x
> fe122fff irq 10 at device 7.1 on pci0
> aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCBs
> pci0: <ATI Mach64-GR graphics accelerator> at 8.0
> atapci0: <ServerWorks CSB6 ATA66 controller (channel 2)> port 
> 0x900-0x90f,0x36c-
> 0x36f,0x168-0x16f,0x3ec-0x3ef,0x1e8-0x1ef irq 11 at device 14.0 on pci0
> ata2: at 0x1e8 on atapci0
> ata3: at 0x168 on atapci0
> atapci1: <ServerWorks CSB6 ATA100 controller (channel 0+1)> port 
> 0x8b0-0x8bf,0x3
> 74-0x377,0x170-0x177,0x3f4-0x3f7,0x1f0-0x1f7 at device 15.1 on pci0
> ata0: at 0x1f0 irq 14 on atapci1
> ata1: at 0x170 irq 15 on atapci1
> pci0: <OHCI USB controller> at 15.2 irq 3
> isab0: <PCItoISA bridge (vendor=1166 device=0227)> atdevice 15.3 on pci0
> isa0: <ISA bus> on isab0
> pcib255: <ServerWorks host to PCI bridge(unknown chipset)>on motherboard
> pci255: <PCI bus> on pcib255
> pcib1: <Host to PCI bridge> on motherboard
> pci1: <PCI bus> on pcib1
> orm0: <Option ROMs> at iomem 
> 0xc0000-0xc7fff,0xe3000-0xea7ff,0xec000-0xeffff on isa0
> pmtimer0 on isa0
> fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
> fdc0: FIFO enabled, 8 bytes threshold
> fd0: <1440-KB 3.5" drive> on fdc0 drive 0
> atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
> atkbd0: <AT Keyboard> irq 1 on atkbdc0 kbd0 at atkbd0
> psm0: <PS/2 Mouse> irq 12 on atkbdc0
> psm0: model IntelliMouse Explorer, device ID 4
> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffffon isa0
> sc0: <System console> at flags 0x100 on isa0
> sc0: VGA <16 virtual consoles, flags=0x300>
> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
> sio0: type 16550A
> sio1: configured irq 3 not in bitmap of probed irqs 0
> ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
> ppc0: Generic chipset (ECP/PS2/NIBBLE) in COMPATIBLE mode
> ppc0: FIFO with 16/16/8 bytes threshold
> lpt0: <Printer> on ppbus0
> lpt0: Interrupt-driven port
> acd0: CDROM <GCR-8481B> at ata2-master PIO4
> Waiting 10 seconds for SCSI devices to settle
> em0: Link is up 100 Mbps Full Duplex
> sa0 at ahc1 bus 0 target 6 lun 0
> sa0: <ARCHIVE Python 06408-XXX 9100> Removable Sequential Access SCSI-3 
> device
> sa0: 80.000MB/s transfers (40.000MHz, offset 32, 16bit)
> da0 at ahc0 bus 0 target 0 lun 0
> da0: <MAXTOR ATLAS10K4_73WLS DFL0> Fixed Direct Access SCSI-3 device
> da0: 160.000MB/s transfers (80.000MHz, offset 127, 16bit), Tagged 
> Queueing Enabled
> da0: 70149MB (143666192 512 byte sectors: 255H 63S/T 8942C)
> da1 at ahc0 bus 0 target 1 lun 0
> da1: <MAXTOR ATLAS10K4_73WLS DFL0> Fixed Direct Access SCSI-3 device
> da1: 160.000MB/s transfers (80.000MHz, offset 127, 16bit), Tagged 
> Queueing Enabled
> da1: 70149MB (143666192 512 byte sectors: 255H 63S/T 8942C)
> Mounting root from ufs:/dev/da0s1a
> da2 at ahc0 bus 0 target 2 lun 0
> da2: <SEAGATE ST336607LW DS08> Fixed Direct Access SCSI-3 device
> da2: 160.000MB/s transfers (80.000MHz, offset 63, 16bit), Tagged 
> Queueing Enabled
> da2: 34732MB (71132959 512 byte sectors: 255H 63S/T 4427C)
> 
> 
> -- 
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