Re: [zfs-discuss] replace zil drive

2011-06-27 Thread Carsten John
bin65MpxTCk5V.bin Description: PGP/MIME version identification encrypted.asc Description: OpenPGP encrypted message ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Encryption accelerator card recommendations.

2011-06-27 Thread Nico Williams
On Jun 27, 2011 4:15 PM, "David Magda" wrote: > The (Ultra)SPARC T-series processors do, but to a certain extent it goes > against a CPU manufacturers best (financial) interest to provide this: > crypto is very CPU intensive using 'regular' instructions, so if you need > to do a lot of it, it woul

Re: [zfs-discuss] Encryption accelerator card recommendations.

2011-06-27 Thread Nico Williams
On Jun 27, 2011 9:24 PM, "David Magda" wrote: > AESNI is certain better than nothing, but RSA, SHA, and the RNG would be nice as well. It'd also be handy for ZFS crypto in addition to all the network IO stuff. The most important reason for AES-NI might be not performance but defeating side-channe

Re: [zfs-discuss] Encryption accelerator card recommendations.[GPU acceleration of ZFS]

2011-06-27 Thread David Magda
On Jun 27, 2011, at 22:03, Fred Liu wrote: > FYI There is another thread named -- " GPU acceleration of ZFS" in this > list to discuss the possibility to utilize the power of GPGPU. > I posted here: In a similar vein I recently came across SSLShader: http://shader.kaist.edu/sslshader/

Re: [zfs-discuss] Encryption accelerator card recommendations.[GPU acceleration of ZFS]

2011-06-27 Thread Fred Liu
FYI There is another thread named -- " GPU acceleration of ZFS" in this list to discuss the possibility to utilize the power of GPGPU. I posted here: Good day, I think ZFS can take advantage of using GPU for sha256 calculation, encryption and maybe compression. Modern video card, like 5xxx or 6x

Re: [zfs-discuss] Encryption accelerator card recommendations.

2011-06-27 Thread David Magda
On Jun 27, 2011, at 18:32, Bill Sommerfeld wrote: > On 06/27/11 15:24, David Magda wrote: >> Given the amount of transistors that are available nowadays I think >> it'd be simpler to just create a series of SIMD instructions right >> in/on general CPUs, and skip the whole co-processor angle. > >

Re: [zfs-discuss] replace zil drive

2011-06-27 Thread Edward Ned Harvey
> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- > boun...@opensolaris.org] On Behalf Of Carsten John > > Now I'm wondering about the best option to replace the HDD with the SSD: What version of zpool are you running? If it's >= 19, then you could actually survive a complete ZIL

Re: [zfs-discuss] Encryption accelerator card recommendations.

2011-06-27 Thread Bill Sommerfeld
On 06/27/11 15:24, David Magda wrote: > Given the amount of transistors that are available nowadays I think > it'd be simpler to just create a series of SIMD instructions right > in/on general CPUs, and skip the whole co-processor angle. see: http://en.wikipedia.org/wiki/AES_instruction_set Prese

Re: [zfs-discuss] Encryption accelerator card recommendations.

2011-06-27 Thread David Magda
On Jun 27, 2011, at 17:16, Erik Trimble wrote: > Think about how things were done with the i386 and i387. That's what I'm > after. With modern CPU buses like AMD & Intel support, plopping a > "co-processor" into another CPU socket would really, really help. Given the amount of transistors tha

Re: [zfs-discuss] Encryption accelerator card recommendations.

2011-06-27 Thread Erik Trimble
On 6/27/2011 1:13 PM, David Magda wrote: On Mon, June 27, 2011 15:24, Erik Trimble wrote: [...] I'm always kind of surprised that there hasn't been a movement to create standardized crypto commands, like the various FP-specific commands that are part of MMX/SSE/etc. That way, most of this could

Re: [zfs-discuss] Encryption accelerator card recommendations.

2011-06-27 Thread David Magda
On Mon, June 27, 2011 15:24, Erik Trimble wrote: [...] > I'm always kind of surprised that there hasn't been a movement to create > standardized crypto commands, like the various FP-specific commands that > are part of MMX/SSE/etc. That way, most of this could be done in > hardware seamlessly. Th

Re: [zfs-discuss] Encryption accelerator card recommendations.

2011-06-27 Thread Erik Trimble
On 6/27/2011 9:55 AM, Roberto Waltman wrote: I recently bought an HP Proliant Microserver for a home file server. ( pics and more here: http://arstechnica.com/civis/viewtopic.php?p=20968192 ) I installed 5 1.5TB (5900 RPM) drives, upgraded the memory to 8GB, and installed Solaris 11 Express wit

Re: [zfs-discuss] [solarisx86] Encryption accelerator card recommendations.

2011-06-27 Thread Roberto Waltman
John Martin wrote: rob_waltman wrote: I installed 5 1.5TB (5900 RPM) drives, upgraded the memory to 8GB, and installed Solaris 11 Express without a hitch. A few simple tests using "dd" with 1gb and 2gb files showed excellent transfer rates: ~200 MB/sec on a 5 drive raidz2 pool, ~310 MB/sec on

Re: [zfs-discuss] Encryption accelerator card recommendations.

2011-06-27 Thread Nico Williams
IMO a faster processor with built-in AES and other crypto support is most likely to give you the most bang for your buck, particularly if you're using closed Solaris 11, as Solaris engineering is likely to add support for new crypto instructions faster than Illumos (but I don't really know enough a

Re: [zfs-discuss] replace zil drive

2011-06-27 Thread Roy Sigurd Karlsbakk
I'd guess removing the SLOG altogether might be the safest, so for this configuration logs mirror-7 ONLINE 0 0 0 c2t22d0 ONLINE 0 0 0 c2t23d0 ONLINE 0 0 0 just `zpool remove zwimming mirror-7`, run `cfgadm -a` to find the full device path, do `cfgadm -c unconfigure devpath`, replace the drive, r

[zfs-discuss] Encryption accelerator card recommendations.

2011-06-27 Thread Roberto Waltman
I recently bought an HP Proliant Microserver for a home file server. ( pics and more here: http://arstechnica.com/civis/viewtopic.php?p=20968192 ) I installed 5 1.5TB (5900 RPM) drives, upgraded the memory to 8GB, and installed Solaris 11 Express without a hitch. A few simple tests using "dd"

Re: [zfs-discuss] replace zil drive

2011-06-27 Thread Jim Klimov
I think that the least disruptive way would be to detach the HDD from the ZIL mirror and offline it, remove and replace with an SSD, and then attach the SSD to the ZIL to make it a mirror again. Note that this would create a window of possible ZIL failure (and you had such a window already when

Re: [zfs-discuss] Fixing txg commit frequency

2011-06-27 Thread Jim Klimov
> I'd like to ask about whether there is a method to enforce a > certain txg > commit frequency on ZFS. Well, there is a timer frequency based on TXG age (i.e 5 sec by default now), in /etc/system like this: set zfs:zfs_txg_synctime = 5 Also there is a buffer-size limit, like this (384Mb

Re: [zfs-discuss] write cache partial-disk pools (was Server with 4 drives, how to configure ZFS?)

2011-06-27 Thread Jim Klimov
2011-06-19 3:47, Richard Elling пишет: On Jun 16, 2011, at 8:05 PM, Daniel Carosone wrote: On Thu, Jun 16, 2011 at 10:40:25PM -0400, Edward Ned Harvey wrote: From: Daniel Carosone [mailto:d...@geek.com.au] Sent: Thursday, June 16, 2011 10:27 PM Is it still the case, as it once was, that alloc

[zfs-discuss] replace zil drive

2011-06-27 Thread Carsten John
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hello everybody, some time ago a SSD within a ZIL mirror died. As I had no SSD available to replace it, I dropped in a normal SAS harddisk to rebuild the mirror. In the meantime I got the warranty replacement SSD. Now I'm wondering about the best op

Re: [zfs-discuss] Server with 4 drives, how to configure ZFS?

2011-06-27 Thread Jim Klimov
> Hello Bob! Thanks for the reply. I was thinking about going with > a 3 way > mirror and a hot spare. Keep in mind that you can have problems in Sol10u8 if you use a mirror+spare config for the root pool. Should be fixed in u9. > But I don't think I can upgrade to > larger drives > unless I do

Re: [zfs-discuss] Server with 4 drives, how to configure ZFS?

2011-06-27 Thread Jim Klimov
> In this setup that will install everything on the root mirror so > I will > have to move things around later? Like /var and /usr or whatever > I don't > want on the root mirror? Actually, you do want /usr and much of /var on the root pool, they are integral parts of the "svc:/filesystem/local"

Re: [zfs-discuss] recovering from "zfs destroy -r"

2011-06-27 Thread Przemyslaw Ceglowski
Those were backups. What about http://www.solarisinternals.com/wiki/index.php/ZFS_forensics_scrollback_script? I am willing to give it a go. Thanks, P On 27 Jun 2011, at 09:32, "Roy Sigurd Karlsbakk" mailto:r...

Re: [zfs-discuss] Server with 4 drives, how to configure ZFS?

2011-06-27 Thread Jim Klimov
- Исходное сообщение - От: "Dave U. Random" Дата: Tuesday, June 21, 2011 18:32 Тема: Re: [zfs-discuss] Server with 4 drives, how to configure ZFS? Кому (To): zfs-discuss@opensolaris.org > Hello Jim! I understood ZFS doesn't like slices but from your > reply maybe I > should reconsider.

Re: [zfs-discuss] recovering from "zfs destroy -r"

2011-06-27 Thread Roy Sigurd Karlsbakk
- Original Message - > Hi, > Is there a simple way of rolling back to a specific TXG of a volume to > recover from such a situation? You can't undo a zfs destroy - restore from backup... -- Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http