similar to: >1TB ZFS thin provisioned partition prevents Opensolaris from booting.

I have historically noticed that in ZFS, when ever there is a heavy writer to a pool via NFS, the reads can held back (basically paused). An example is a RAID10 pool of 6 disks, whereby a directory of files including some large 100+MB in size being written can cause other clients over NFS to pause for seconds (5-30 or so). This on B70 bits. I''ve gotten used to this behavior over NFS, but

fun example that shows NCQ lowers wait and %w, but doesn''t have much impact on final speed. [scrubbing, devs reordered for clarity] extended device statistics device r/s w/s kr/s kw/s wait actv svc_t %w %b sd2 454.7 0.0 47168.0 0.0 0.0 5.7 12.6 0 74 sd4 440.7 0.0 45825.9 0.0 0.0 5.5 12.4 0 78 sd6 445.7 0.0

I have just recently (physically) moved a system with 16 hard drives (for the array) and 1 OS drive; and in doing so, I needed to pull out the 16 drives so that it would be light enough for me to lift. When I plugged the drives back in, initially, it went into a panic-reboot loop. After doing some digging, I deleted the file /etc/zfs/zpool.cache. When I try to import the pool using the zpool

Hi all, I have an interesting one - Solaris uses a lot of commands to configure specific items. A simple example is coreadm. In this example: # coreadm -p "/var/core/core_%n_%f_%u_%g_%t_%p" will set the directory and filename to dump core files (with some expansion). The question is - how to get this to run only if the config has changed. I have come up with 2 options, neither of

We are currently experiencing a very huge perfomance drop on our zfs storage server. We have 2 pools, pool 1 stor is a raidz out of 7 iscsi nodes, home is a local mirror pool. Recently we had some issues with one of the storagenodes, because of that the pool was degraded. Since we did not succeed in bringing this storagenode back online (on zfs level) we upgraded our nashead from opensolaris b57

Hello everyone, As one of the steps of improving my ZFS home fileserver (snv_134) I wanted to replace a 1TB disk with a newer one of the same vendor/model/size because this new one has 64MB cache vs. 16MB in the previous one. The removed disk will be use for backups, so I thought it''s better off to have a 64MB cache disk in the on-line pool than in the backup set sitting off-line all

Under Solaris 10 u6 , No matter how I configured my ARECA 1261ML Raid card I got errors on all drives that result from SCSI timeout errors. yoda:~ # tail -f /var/adm/messages Jan 9 11:03:47 yoda.asc.edu scsi: [ID 107833 kern.notice] Requested Block: 239683776 Error Block: 239683776 Jan 9 11:03:47 yoda.asc.edu scsi: [ID 107833 kern.notice] Vendor: Seagate

Solaris in 32-bit mode has a 1TB device limit. UFS filesystems in 32-bit mode also have a 1TB limit, even if using a logical volume manager to span smaller than 1TB devices. So, what kind of limit does ZFS have when running under 32-bit Solaris? -- Erik Trimble Java System Support Mailstop: usca14-102 Phone: x17195 Santa Clara, CA

Can zfs send utilize multiple-streams of data transmission (or some sort of multipleness)? Interesting read for background http://people.planetpostgresql.org/xzilla/index.php?/archives/338-guid.html Note: zfs send takes 3 days for 1TB to another system Regards, Jignesh

Hi all, I''m getting a very strange problem with a recent OpenSolaris b134 install. System is: Supermicro X5DP8-G2 BIOS 1.6a 2x Supermicro AOC-SAT2-MV8 1.0b 11 Seagate Barracuda 1TB ES.2 ST31000340NS drives If I have any of the 11 1TB Seagate drives plugged into the controller, the AOC-SAT2-MV8 BIOS appears to detect them just fine, but I get the following problems: 1. Grub takes a

Dear Everybody, I am telling you the whole story, perhaps you can give me a better idea. Almost 3 years ago I purchased Arima HDAMA rev. G motherboard with integrated Silicon Image Sil3114 Serial ATA 4 Ports SATA I adapter. ( http://www.arimacorp.com/ViewProduct.asp?View=86 ) . BIOS version is 2.13. My intention is to make a file server, using linux software raid, so I bought 2 new shiny 1TB

For those who haven't yet seen this: EarGuy's Digital Ear (physiological model of the ear based on work by Frank Baumgarte) has just finished rating the sound quality of Vorbis beta 4 at 128 kbs using 30 random 10-second selections of music: http://pub41.ezboard.com/fr3mixfrm4.showMessage?topicID=33.topic Two samples on which the Ear says Vorbis performed uncharacteristically poorly

Hey, all. I'm working on making a script to auto-provision my Polycoms. I wanted one that: - Gets the MAC by itself - Fills in the provisioning info you supplied on a web page - Creates appropriate files - Reboots the phone (which then gets provisioned) The last part was the sticking one, though. I found plenty of ways to make them reboot -- but most required an already-provisioned phone,

Hullo everybody how can I create File-based thin-provisioned VHD on a Filesystem for VM images for a local non-shared Filesystem (EXT type SR), for with the configurations i have dont allow me make a 4th partition Below are my configurations. [root@virtualintranet /]# fdisk -l Disk /dev/sda: 1998.2 GB, 1998233534464 bytes 255 heads, 63 sectors/track, 242938 cylinders Units = cylinders of

Hey, all. I've got a non-PRI T1 that doesn't do DID "correctly:" I can't get the DID from the proper variables, and, instead, I direct it based on the four "least valuable" DTMF digits dialed by the T1 for in-bound calls. Which really works pretty well; Asterisk plugs them quite nicely into ${EXTEN}. Unless, that is, ${EXTEN} gets over-ridden when it's

Hi, I'm seeing rather odd behaviour on a new box with TE110P card. I'm running the TE110P span with ccs,hdb3,crc4 in pri_net, connected to a second machine with a TE410P in pri_cpe. The span is idle. I'm using pri intense debug span 1 and can see the RRs going back and forth. So - things are running along with the span showing "Provisioned, Up, Active" in pri show

Hello, Can anyone offer assistance with this issue? Can someone help me understand what winbindd is looking for here? Thank you. /usr/local/samba/sbin/winbindd: winbindd version 4.2.0 started. /usr/local/samba/sbin/winbindd: Copyright Andrew Tridgell and the Samba Team 1992-2014 /usr/local/samba/sbin/winbindd: Maximum core file size limits now 16777216(soft) -1(hard)

I have built and installed Pigeonhole 0.4.4 with Dovecot 2.2.15. For users with no sieve at all I am getting an error on delivery. Delivery is from exim via lmtp. Syslog: Oct 28 11:03:50 mailhost dovecot: [ID 583609 mail.crit] lmtp(18915): Fatal: master: service(lmtp): child 18915 killed with signal 11 (core not dumped - set service lmtp { drop_priv_before_exec=yes }) There is no global

I a using plink on a large SNP dataset with a .map and .ped file. I want to get some sort of file say a list of all the SNPs that plink is saying that I have. ANyideas on how to do this? -- Thanks, Jim. [[alternative HTML version deleted]]

Hi, I've noticed huge write amplification problem with thinly provisioned logical volumes and I wondered if anyone can explain why it happens and if and how can be fixed. The behavior is the same on Centos 6.8 and Centos 7.2. I have a NVME card (Intel DC P3600 -2 TB) on which I create a thinly provisioned logical volume: pvcreate /dev/nvme0n1 vgcreate vgg /dev/nvme0n1 lvcreate