similar to: zpool import hangs indefinitely (retry post in parts; too long?)

I''ve recently re-installed an X4500 running Nevada b109 and have been experiencing ZFS lock ups regularly (perhaps once every 2-3 days). The machine is a backup server and receives hourly ZFS snapshots from another thumper - as such, the amount of zfs activity tends to be reasonably high. After about 48 - 72 hours, the file system seems to lock up and I''m unable to do anything

Hi, There seems to be a few threads about zpool hang, do we have a workaround to resolve the hang issue without rebooting ? In my case, I have a pool with disks from external LUNs via a fiber cable. When the cable is unplugged while there is IO in the pool, All zpool related command hang (zpool status, zpool list, etc.), put the cable back does not solve the problem. Eventually, I

It seems we are hitting a boundary with zfs send/receive over a network link (10Gb/s). We can see peak values of up to 150MB/s, but on average about 40-50MB/s are replicated. This is far away from the bandwidth that a 10Gb link can offer. Is it possible, that ZFS is giving replication a too low priority/throttling it too much?

The vendor wanted to come in and replace an HDD in the 2nd X4500, as it was "constantly busy", and since our x4500 has always died miserably in the past when a HDD dies, they wanted to replace it before the HDD actually died. The usual was done, HDD replaced, resilvering started and ran for about 50 minutes. Then the system hung, same as always, all ZFS related commands would just

I have a ZFS pool that has been corrupted. The pool contains a single device which was actually a file on UFS. The machine was accidentally halted and now the pool is corrupt. There are (of course) no backups and I''ve been asked to recover the pool. The system panics when trying to do anything with the pool. root@:/$ zpool status panic[cpu1]/thread=fffffe8000758c80: assertion failed:

Hi, System: Netra 1405, 4x450Mhz, 4GB RAM and 2x146GB (root pool) and 2x146GB (space pool). snv_98. After a panic the system hangs on boot and manual attempts to mount (at least) one dataset in single user mode, hangs. The Panic: Dec 27 04:42:11 base ^Mpanic[cpu0]/thread=300021c1a20: Dec 27 04:42:11 base unix: [ID 521688 kern.notice] [AFT1] errID 0x00167f73.1c737868 UE Error(s) Dec 27

Hi, I am profiling some workloads for the voluntary and involuntary context switches. I am interested in finding out the reasons causing these two types of context switches. As far as I understand, involuntary context switch happens on expiration of time slice or when a higher priority process comes in. While the voluntary switch generally happens when a process is waiting for I/O etc. So to

Hello ZFS, System was rebooted and after reboot server again System is snv_39, SPARC, T2000 bash-3.00# ptree 7 /lib/svc/bin/svc.startd -s 163 /sbin/sh /lib/svc/method/fs-local 254 /usr/sbin/zfs mount -a [...] bash-3.00# zfs list|wc -l 46 Using df I can see most file systems are already mounted. > ::ps!grep zfs R 254 163 7 7 0 0x4a004000

I just had a quick play with gzip compression on a filesystem and the result was the machine grinding to a halt while copying some large (.wav) files to it from another filesystem in the same pool. The system became very unresponsive, taking several seconds to echo keystrokes. The box is a maxed out AMD QuadFX, so it should have plenty of grunt for this. Comments? Ian

Customer has a Thumper running: SunOS x4501 5.10 Generic_120012-14 i86pc i386 i86pc where running "zpool detech disk c6t7d0" to detech a mirror causes zpool command to hang with following kernel stack trace: PC: _resume_from_idle+0xf8 CMD: zpool detach disk1 c6t7d0 stack pointer for thread fffffe84d34b4920: fffffe8001c30c10 [ fffffe8001c30c10 _resume_from_idle+0xf8() ]

Hi. T2000 1.2GHz 8-core, 32GB RAM, S10U3, zil_disable=1. Command ''zpool export f3-2'' is hung for 30 minutes now and still is going. Nothing else is running on the server. I can see one CPU being 100% in SYS like: bash-3.00# mpstat 1 [...] CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 0 0 0 67 220 110 20 0 0 0 0

After multiple power outages caused by storms coming through, I can no longer access /dev/zvol/dsk/poolname, which are hold l2arc and slog devices in another pool I don''t think this is related, since I the pools are ofline pending access to the volumes. I tried running find /dev/zvol/dsk/poolname -type f and here is the stack, hopefully this someone a hint at what the issue is, I have

Hi! Seems we're facing some memory leak here. This is vanilla 2.6.19-rc6 on a x86_64 box, 4GB RAM. A simple `ls -Rn' on a filesystem with lots of files makes the box leak so much RAM that the OOM killer starts to kick in. With slab alloc debugging turned on, we see this: # mount; ls -Rn; wait some seconds; Ctrl-C [root@lnxp-1038:/backend1]$ cat /proc/slab_allocators | egrep

Hello, I have been hunting a memory-leak warning in vring_add_indirect: unreferenced object 0xffff88003d467e20 (size 32): comm "softirq", pid 0, jiffies 4295197765 (age 6.364s) hex dump (first 32 bytes): 28 19 bf 3d 00 00 00 00 0c 00 00 00 01 00 01 00 (..=............ 02 dc 51 3c 00 00 00 00 56 00 00 00 00 00 00 00 ..Q<....V....... backtrace:

Hello, I have been hunting a memory-leak warning in vring_add_indirect: unreferenced object 0xffff88003d467e20 (size 32): comm "softirq", pid 0, jiffies 4295197765 (age 6.364s) hex dump (first 32 bytes): 28 19 bf 3d 00 00 00 00 0c 00 00 00 01 00 01 00 (..=............ 02 dc 51 3c 00 00 00 00 56 00 00 00 00 00 00 00 ..Q<....V....... backtrace:

on Solaris 10 5.10 Generic_118822-23 sun4v sparc SUNW,Sun-Fire-T200 I run #iostat -xn 5 to monitor the IO statistics on SF T2000 server. The system also have a heavy IO load, for some reason iostat donot refresh (no any update). It seems like iostat is calling pause() and stucked there. Also my HBA driver''s interrupt stack trace indicates there is a lot of swtch(), the overall IOPS

Hello. I've been trying to access www.soft-swtch.org for a couple days, but it seems to be down. Anyone got the same? I need to talk to Steve Underwood, could someone give me his email/phone. Please, in private of course. Thanks. Denis.

Hi , when i connect to sshd , the session doesnt allow me to issue ^C ^Z, it doesnt work. Please let me know if there are any settings to control it. telnet works fine. my settings, version: OpenSSH_6.6p1, OpenSSL 1.0.1h 5 Jun 2014 stty -a speed 38400 baud; rows 24; columns 80; line = 0; intr = ^C; quit = ^\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>; eol2 = <undef>; swtch =

I setup a ssh chroot jail following this[1] guide. It works for my user to login, use ls and use scp which is all I really want. I do have a problem I cannot solve: when connected and navigating the filesystem, the backspace key actually moves the cursor forward and does not delete what I type. I may have found a hint from some googling that readline will read in /etc/inputrc on login but if

Hi All, I believe this has been asked before, but I wasn?t able to find too much information about the subject. Long story short, I was moving data around on a storage zpool of mine and a zfs destroy <filesystem> hung (or so I thought). This pool had dedup turned on at times while imported as well; it?s running on a Nexenta Core 3.0.1 box (snv_134f). The first time the machine was