similar to: current zfs tuning in RELENG_7 (AMD64) suggestions ?

I found an interesting email that got caught in my spam quarantine. I?m wondering if dovecot is vulnerable to this kind of code execution (I?m aware that other components could be vulnerable, but this question is specifically targeting dovecot). The idea is to insert shell commands into various header fields that would get executed as part of the message processing/delivery. Examples include:

Hello, freebsd-stable. Does somebody use some software RAID5 on FreeBSD in real production system? I want to build storage server for my home: RAW photos, multi-layer PhotoShop files and FLAC-encoded music consume a lot of space, and they should be availible both from desktop & notebook. Also, all photo-content is unique, so I need some insuranse from single HDD crash. I understand,

Hello A box of mine running RELENG_7_0 and ZFS over a couple of disks (6 disks, 3 mirrors) seems to have gotten stuck. From Ctrl-T: load: 0.50 cmd: zsh 40188 [zfs:&buf_hash_table.ht_locks[i].ht_lock] 0.02u 0.04s 0% 3404k load: 0.43 cmd: zsh 40188 [zfs:&buf_hash_table.ht_locks[i].ht_lock] 0.02u 0.04s 0% 3404k load: 0.10 cmd: zsh 40188 [zfs:&buf_hash_table.ht_locks[i].ht_lock]

Hi, could anyone give recommendations (or share experience) regarding using ZFS: - FreeBSD 7-Stable (amd64 with 8GB RAM) + special tuning necessary (apart from increasing kernel memory to 1 or more GB for ZFS) - Samba 3.2 + ACLs possible directly under ZFS? + recommended compile options? - NFS - email (imap) - jails (I have seen some problems exist with using snaphots within

How do I check if the proper sata drivers are being loaded? If they are not what can I do other then rebuilding the kernel? Thank you in advance, Randy _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users

We have 10 SuperMicro PDSMi+ 5015M-MTs that are panic'ing every few days. This started shortly after upgrade from 6.2-RELEASE to 6.3-RELEASE with freebsd-update. Other than switching to a debugging kernel, a little sysctl tuning, and patching with freebsd-update, they are stock. The debugging kernel was built from source that is also being patched with freebsd-update. These systems are

So, I have a farm of machines runnign 7.1/amd64, all of which have 16 gig of memory in them. This afternoon, as an experiment, I altered loader.conf to have these two lines in it: vm.kmem_size="1536M" vm.kmem_size_max="1536M" This is what I do on machines running ZFS - these machines are not, however running ZFS, and do not have the zfs module loaded. I just wanted to see if

Hello, Im about to migrate a 6Tb database from Veritas Volume Manager to ZFS, I want to set arc_max parameter so ZFS cant use all my system''s memory, but i dont know how much i should set, do you think 24Gb will be enough for a 6Tb database? obviously the more the better but i cant set too much memory. Have someone implemented succesfully something similar? We ran some test and the

I've been prowling through the FreeBSD and Snort list archives in search of information on setting up snort on a FreeBSD bridge(4) that logs to a remote postgres box via a third interface (hme0) Snort is being started with the following command: /usr/local/bin/snort -A full -D -e -d -s -i fxp0 -c /usr /local/etc/snort.conf Where fxp0 and fxp1 are in the bridge output from sysctl:

Dear all, I have running a DOM-0 on debian squeeze with the most recent kernel: Linux 2.6.32-5-xen-amd64 #1 SMP On 30% of all reboots the system hangs and only a reset helps. acpi=off as an additional kernel parameter solves this problem, but the usb keyboard of the installed ip-kvm is not found then. with acpi=off Ican find a lot stuff like: [ 7.098747] uhci_hcd 0000:00:1d.2: UHCI Host

Hello All, Awhile back (Feb ''07) when we noticed ZFS was hogging all the memory on the system, y''all were kind enough to help us use the arc_max tunable to attempt to limit that usage to a hard value. Unfortunately, at the time a sticky problem was that the hard limit did not include DNLC entries generated by ZFS. I''ve been watching the list since then and trying to

----- Forwarded message from Louis Kowolowski <louisk@bend.com> ----- Date: Thu, 28 Aug 2003 11:37:42 -0700 From: Louis Kowolowski <louisk@bend.com> To: freebsd-security@freebsd.org Subject: snort, postgres, bridge User-Agent: Mutt/1.5.4i I've been prowling through the FreeBSD and Snort list archives in search of information on setting up snort on a FreeBSD bridge(4) that logs

Hello zfs question about memory. I heard zfs is very ram hungry. Service looking to run: - nginx - postgres - php-fpm - python I have a machine with two quad core cpus but only 4 G Memory I'm looking to buy more ram now. What would be the recommend amount of memory for zfs across 6 drives on this setup? Also can 9.1 now boot to zfs from the installer? (no tricks for post install) Thanks

Hi there. I just got a new Adaptec RAID 51645 controller in because the old (other type) was malfunctioning. It is paired with 16 Seagate 15k5 disks, of which two are used with hardware RAID 1 for OpenSolaris snv_98, and the rest is configured as striped mirrors as a zpool. I created a zfs filesystem on this pool with a blocksize of 8K. This server has 64GB of memory and will be running

Hi. I''m all set for doing performance comparsion between Solaris/ZFS and FreeBSD/ZFS. I spend last few weeks on FreeBSD/ZFS optimizations and I think I''m ready. The machine is 1xQuad-core DELL PowerEdge 1950, 2GB RAM, 15 x 74GB-FC-10K accesses via 2x2Gbit FC links. Unfortunately the links to disks are the bottleneck, so I''m going to use not more than 4 disks, probably.

While trying to speed up nanobsd builds, I mounted /usr/obj on a ramdisk and found my box crashing. Thinking it might be hardware, I tried a separate machine, but with the same results. I have 4G of ram (i386). Am I just running out of some kernel memory ? If so, is there anything I can adjust to prevent this, yet still use mfs in this way ? mdconfig -a -t malloc -s 1800M newfs /dev/md0

Greeting All I am using Filebench benchmark in an "Interactive mode" to test ZFS performance with randomread wordload. My Filebench setting & run results are as follwos ------------------------------------------------------------------------------------------ filebench> set $filesize=5g filebench> set $dir=/hdd/fs32k filebench> set $iosize=32k filebench> set

Hi there colleagues, atapci3: <nVidia nForce MCP55 SATA300 controller> port 0xbc00-0xbc07,0xb880-0xb883,0xb800-0xb807,0xb480-0xb483,0xb400-0xb40f mem 0xefcb3000-0xefcb3fff irq 23 at device 5.2 on pci0 atacontrol detach ata7 - insert ATA disk (ad14) atacontrol attach ata7 pinics with Fatal trap 12: page fault while in kernel mode (kgdb) bt #0 doadump () at pcpu.h:196 #1 0xc0533227

I have a current RELENG_7 running on: http://www.supermicro.com/products/system/4U/7045/SYS-7045B-TR+.cfm with the -3+ IPMI card. I can interact with the BIOS, etc, but no joy once we get past the loader. Anyone have ideas? Attached is the kernel config, and the /var/run/dmesg.boot file. -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 512-248-2683

Hi, after one month with gmirror and gjournal running on a 7.0-RELEASE #p2 amd64 (built from latest CVS source), the box hung a couple of times when on high disk load. Finally, while building some port it won't boot for no reason obvious to me. This is what I get with kernel.geom.mirror.debug=2: ata2-master: pio=PIO4 wdma=WDMA2 udma=UDMA133 cable=40 wire ad4: 476940MB <SAMSUNG HD501LJ