Re: [zfs-discuss] making sense of arcstat.pl output
Hello Mike, thank you for your update. r...@s0011 # ./arcstat.pl 3 time read miss miss% dmis dm% pmis pm% mmis mm% arcszc 11:23:38 197K 7.8K 3 5.7K 3 2.1K 4 6.1K 5 511M 1.5G 11:23:41 700 00 00 00 0 511M 1.5G 11:23:44 760 00 00 00 0 511M 1.5G 11:23:47 760 00 00 00 *1.4210854715202e-14* 511M 1.5G 11:23:50 710 00 00 00 0 511M 1.5G 11:23:53 740 00 00 00 *1.4210854715202e-14 * 511M 1.5G 11:23:56 740 00 00 00 0 511M 1.5G 11:23:59 790 00 00 00 0 511M 1.5G 11:24:02 760 00 00 00 0 511M 1.5G 11:24:05 740 00 00 00 *1.4210854715202e-14* 511M 1.5G 11:24:08 930 1.4210854715202e-140 1.4210854715202e-140 00 0 511M 1.5G 11:24:11 750 00 00 1.4210854715202e-140 0 511M 1.5G 11:24:14 770 00 00 00 1.4210854715202e-14 511M 1.5G would be nice, if the highlighted values are also human readable. thank you Christian For posterity, I'd like to point out the following: neel's original arcstat.pl uses a crude scaling routine that results in a large loss of precision as numbers cross from Kilobytes to Megabytes to Gigabytes. The 1G reported arc size case described here, could actually be anywhere between 1,000,000MB and 1,999,999MB. Use 'kstat zfs::arcstats' to read the arc size directly from the kstats (for comparison). I've updated arcstat.pl with a better scaling routine that returns more appropriate results (similar to df -h human-readable output). I've also added support for L2ARC stats. The updated version can be found here: http://github.com/mharsch/arcstat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Good benchmarking software?
Hello Roy, depending on the data you have you could use gnuplot to visualize. Normally an X for time and Y for the data show enough. I did this once with CPU and Memory usage. RRD is also a nice Tool to visualize (most OpenSource Tools use it) but for me gnuplot was the easier way to do it. If you like you could send some example Reports. Regards Christian On Mar 22, 2011 8:13 PM, Roy Sigurd Karlsbakk r...@karlsbakk.net wrote: Hi all I've been doing some testing on a test box to try to generate good performance reports. I've been trying bonnie++ and iozone, and while both give me lots and lots of statistics and numbers, I can't find a good way to visualize them. I see there are some spreadsheets avaliable for iozone, but I'm still rather confused. I'm not a statistics/math guy, I just want to show, clear and once and for all, the differences between a set of striped mirrors and a raidz2. Also, I want to visualize the performance gain by using L2ARC/SLOG on normal operation or during a resilver/scrub. So - question is quite simple - where can I find a good way to do this without too much hassle? Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] unable to access the zpool after issue a reboot
Hi 1) I am using zpool create -f pool name devid --- for creating the zpool. 2) I am using reboot -- -r,shutdown -i6 -y -g0 both to reboot the machine. 3) I already force loaded my drivers in etc/system 4) and finally I am using the FC Luns for creation of zpools. please provide more information. - are the FC luns available after the reboot? - which OS-Level are you useing - after zpool create, zpool is available ? zpool status poolname - after reboot is the pool available for import? zpool import? thank you Christian ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] unable to access the zpool after issue a reboot
Hi Sudheer 1)The FC Luns are available after reboot. ok, you are using FC Luns and do not enable MPXIO? 2) The Os level of the machine : Oracle Solaris 10 8/11 s10x_u10wos_17b X86. 3)bash-3.2# zpool status pool: pool name state: UNAVAIL status: One or more devices could not be opened. There are insufficient replicas for the pool to continue functioning. action: Attach the missing device and online it using 'zpool online'. see: http://www.sun.com/msg/ZFS-8000-3C scan: none requested config:NAMESTATE READ WRITE CKSUM pool name UNAVAIL 0 0 0 insufficient replicas c5t1d1UNAVAIL 0 0 0 cannot open 4) at the time of reboot the machine itself imports the zpool no need to import it again. bash-3.2# zpool import pool name cannot import 'pool name': a pool with that name is already created/imported, and no additional pools with that name were found. And the important thing is when I export import the zpool, then I was able to access it. As Gary and Bob mentioned, I saw this Issue with ISCSI Devices. Instead of export / import is a zpool clear also working? mpathadm list LU mpathadm show LU /dev/rdsk/c5t1d1s2 Regards Christian ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
Re: [zfs-discuss] Disk failing? High asvc_t and %b.
Hello Jan BTW: Can someone explain why this: 8. c6t72d0 ATA-WDC WD6400AAKS--3B01 cyl 38909 alt 2 hd 255 sec 126 is not shown the same way as this: 4. c6t68d0 ATA-WDC WD6400AAKS-2-3B01-596.17GB Why the cylinder/sector in line 8? As I know this is depending on the Format Label you have SMI or EFI what does the prtvtoc shows you? S0013(root)#~ prtvtoc /dev/dsk/disknames2 * /dev/dsk/disknames2 partition map * * Dimensions: * 512 bytes/sector * 2097152 sectors * 2097085 accessible sectors * * Flags: * 1: unmountable * 10: read-only * * Unallocated space: * First SectorLast * Sector CountSector * 34 222 255 * * First SectorLast * Partition Tag FlagsSector CountSector Mount Directory 0 400256 2080479 2080734 8 11002080735 16384 2097118 indicates EFI Label S0013(root)#~ prtvtoc /dev/dsk/disknames2 * /dev/dsk/c1t0d0s2 (volume ROOTDISK) partition map * * Dimensions: * 512 bytes/sector * 255 sectors/track * 16 tracks/cylinder *4080 sectors/cylinder * 38309 cylinders * 38307 accessible cylinders * * Flags: * 1: unmountable * 10: read-only * * First SectorLast * Partition Tag FlagsSector CountSector Mount Directory 0 200 0 156292560 156292559 2 500 0 156292560 156292559 indicates SMI Label 19. c0tdisknamed0 SUN-SOLARIS-1-1.00GB 24. c1tdisknamed0 DEFAULT cyl 38307 alt 2 hd 16 sec 255 ROOTDISK Regards Christian ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
